Kenneth Langa

Faculty Associate, Survey Research Center, Prof of Internal Medicine, Medical School, Res Prof, Inst of Gerontology, Prof of Hlth Management and Policy, School of Public Health

Biography

Dr. Langa is a Professor in the Department of Internal Medicine and Institute for Social Research, a Research Scientist in the Veterans Affairs Center for Clinical Management Research, and an Associate Director of the Institute of Gerontology, all at the University of Michigan. He is also Associate Director of the Health and Retirement Study (HRS), a National Institute on Aging funded longitudinal study of 25,000 adults in the United States (http://hrsonline.isr.umich.edu).

Dr. Langa received an MD and PhD in Public Policy at the University of Chicago as a Fellow in the Pew Program for Medicine, Arts, and the Social Sciences. He is a board-certified General Internist with an active clinical practice treating adult patients, and he is an elected member of the American Society for Clinical Investigation (ASCI).

Dr. Langa’s research focuses on the epidemiology and costs of chronic disease in older adults, with an emphasis on Alzheimer’s disease and other dementias. He has published more than 175 peer-reviewed articles on these topics. He is currently studying population trends in dementia prevalence, and the relationship of common cardiovascular risk factors, as well as acute illnesses such as sepsis and stroke, to cognitive decline and dementia. In 2007 and 2015, Dr. Langa was a Visiting Professor at the Institute of Public Health at the University of Cambridge, and in 2015 he was also a Visiting Professor at the World Health Organization in Geneva, Switzerland, where he continued work on cross-national comparisons of the epidemiology and outcomes of dementia in the United States, England, and other countries around the world.

Projects

Health and Retirement Study (HRS)

Funded Research

Publications

Diaz-Venegas, Carlos; Downer, Brian; Langa, Kenneth M.; Wong, Rebeca (2019). Cognitive Functioning of U.S. Adults by Race and Hispanic Origin. 85-107. In Vega, William A.; Angel, Jacqueline L.; Gutierrez Robledo, Luis M. F.; Markides, Kyriakos S. (Ed.), Contextualizing Health and Aging in the Americas: Effects of Space, Time and Place. Springer International Publishing:Cham.
Bell, Sue Anne; Choi, HwaJung; Langa, Kenneth M.; Iwashyna, Theodore J. (2019). Health Risk Behaviors after Disaster Exposure Among Older Adults. Prehospital and Disaster Medicine.
Prescott, Hallie C.; Carmichael, Alicia; Langa, Kenneth M.; Gonzalez, Richard; Iwashyna, Theodore J. (2019). Paths into Sepsis: Trajectories of Pre-Sepsis Healthcare Use. Annals of the American Thoracic Society, 16(1), 116-123.
Wei, Melissa Y.; Kabeto, Mohammed U.; Galecki, Andrzej T.; Langa, Kenneth M. (2019). Physical Functioning Decline and Mortality in Older Adults with Multimorbidity: Joint Modeling of Longitudinal and Survival Data. The Journals of Gerontology: Series A, 74(2), 226-232.
Tipirneni, Renuka; Ganguli, Ishani; Ayanian, John Z.; Langa, Kenneth M. (2019). Reducing Disparities in Healthy Aging Through an Enhanced Medicare Annual Wellness Visit. Public Policy & Aging Report, 29(1), 26-32.
Levine, Deborah A.; Galecki, Andrzej T.; Langa, Kenneth M.; Unverzagt, Frederick W.; Kabeto, Mohammed U.; Giordani, Bruno; Cushman, Mary; McClure, Leslie A.; Safford, Monika M.; Wadley, Virginia G. (2019). Blood Pressure and Cognitive Decline Over 8 Years in Middle-Aged and Older Black and White Americans. Hypertension, 73(2), 310-318.
Levine, Deborah A.; Wadley, Virginia G.; Langa, Kenneth M.; Unverzagt, Frederick W.; Kabeto, Mohammed U.; Giordani, Bruno; Howard, George; Howard, Virginia J.; Cushman, Mary; Judd, Suzanne E.; Galecki, Andrzej T. (2018). Risk Factors for Poststroke Cognitive Decline. Stroke, 49(4), 987-994.
Lindau, Stacy Tessler; Dale, William; Feldmeth, Gillian; Gavrilova, Natalia; Langa, Kenneth M.; Makelarski, Jennifer A.; Wroblewski, Kristen (2018). Sexuality and Cognitive Status: A U.S. Nationally Representative Study of Home-Dwelling Older Adults. Journal of the American Geriatrics Society, 66(10), 1902-1910.
Pool, Lindsay R.; Burgard, Sarah A.; Needham, Belinda L.; Elliott, MIchael R.; Langa, Kenneth M.; Leon, Carlos F. Mendes de (2018). Association of a negative wealth shock with all-cause mortality in middle-aged and older adults in the united states. JAMA, 319(13), 1341-1350.
Prescott, Hallie C.; Sjoding, Michael W.; Langa, Kenneth M.; Iwashyna, Theodore J.; McAuley, Daniel F. (2018). Late mortality after acute hypoxic respiratory failure. Thorax, 73, 618-625.
Wei, Melissa Y.; Kabeto, Mohammed U.; Langa, Kenneth M.; Mukamal, Kenneth J. (2018). Multimorbidity and Physical and Cognitive Function: Performance of a New Multimorbidity-Weighted Index. Journals of Gerontology, Series A, 73(2), 225-232.
Choi, HwaJung; Schoeni, Robert F.; Martin, Linda G.; Langa, Kenneth M. (2018). Trends in the Prevalence and Disparity in Cognitive Limitations of Americans 55–69 Years Old. The Journals of Gerontology: Series B, 73(suppl_1), S29-S37.
Ranson, Janice M.; Kuzma, Elzbieta; Hamilton, William; Muniz-Terrera, Graciela; Langa, Kenneth M.; Llewellyn, David J. (2018). Predictors of dementia misclassification when using brief cognitive assessments. Neurology: Clinical Practice.
Langa, Kenneth M. (2018). Cognitive Aging, Dementia, and the Future of an Aging Population. 249-268. In Hayward, Mark D.; Majmundar, Malay K. (Ed.), Future Directions for the Demography of Aging: Proceedings of a Workshop.
Davis, M. A.; Guo, C.; Sol, K.; Langa, Kenneth M.; Nallamothu, B. K. (2017). Trends and disparities in the number of self-reported healthy older adults in the united states, 2000 to 2014. JAMA Internal Medicine, 177(11), 1683-1684.
McEvoy, Claire T.; Guyer, Heidi; Langa, Kenneth M.; Yaffe, Kristine (2017). Neuroprotective Diets Are Associated with Better Cognitive Function: The Health and Retirement Study. Journal of the American Geriatrics Society, 65(8), 1857-1862.
Meddings, Jennifer; Reichert, Heidi; Smith, Shawna N.; Iwashyna, Theodore J.; Langa, Kenneth M.; Hofer, Timothy P.; McMahon, Laurence F. (2017). The Impact of Disability and Social Determinants of Health on Condition-Specific Readmissions beyond Medicare Risk Adjustments: A Cohort Study. Journal of General Internal Medicine, 32(1), 71-80.
Monin, Joan K.; Poulin, Michael J.; Brown, Stephanie L.; Langa, Kenneth M. (2017). Spouses’ Daily Feelings of Appreciation and Self-Reported Well-Being. Health Psychology, 36(12), 1135-1139.
Ornstein, Katherine A.; Aldridge, Melissa D.; Garrido, Melissa M.; Gorges, Rebecca; Bollens-Lund, Evan; Siu, Albert L.; Langa, Kenneth M.; Kelley, Amy S. (2017). The use of life-sustaining procedures in the last month of life is associated with more depressive symptoms in surviving spouses. Journal of pain and symptom management, 53(2), 178-187.e1.
Wu, Yu-Tzu; Beiser, Alexa S.; Breteler, Monique M. B.; Fratiglioni, Laura; Helmer, Catherine; Hendrie, Hugh C.; Honda, Hiroyuki; Ikram, M. A.; Langa, Kenneth M.; Lobo, Antonio; Matthews, Fiona E.; Ohara, Tomoyuki; Peres, Karine; Qiu, Chengxuan; Seshadri, Sudha; Sjolund, Britt-Marie; Skoog, Ingmar; Brayne, Carol (2017). The changing prevalence and incidence of dementia over time – current evidence. Nature Reviews Neurology, 13, 327-339.
Maust, Donovan T.; Kales, Helen C.; McCammon, Ryan J.; Blow, Frederic C.; Leggett, Amanda; Langa, Kenneth M. (2017). Distress Associated with Dementia-Related Psychosis and Agitation in Relation to Healthcare Utilization and Costs. The American Journal of Geriatric Psychiatry.
Weden, Margaret M.; Miles, Jeremy N. V.; Friedman, Esther; Escarce, Jose J.; Peterson, Christine; Langa, Kenneth M.; Shih, Regina A. (2017). The Hispanic Paradox: Race/Ethnicity and Nativity, Immigrant Enclave Residence and Cognitive Impairment Among Older US Adults. Journal of the American Geriatrics Society, 65(5), 1085-1091.
Weden, Margaret M.; Shih, Regina A.; Kabeto, Mohammed U.; Langa, Kenneth M. (2017). Secular Trends in Dementia and Cognitive Impairment of U.S. Rural and Urban Older Adults. American Journal of Preventive Medicine, 54(2), 164-172.
Gardner, Raquel C.; Langa, Kenneth M.; Yaffe, Kristine (2017). Subjective and objective cognitive function among older adults with a history of traumatic brain injury: A population-based cohort study. PLoS Medicine, 14(3), e1002246.
Ankuda, Claire K.; Harris, John; Ornstein, Katherine; Levine, Deborah A.; Langa, Kenneth M.; Kelley, Amy S. (2017). Caregiving for Older Adults with Obesity in the United States. Journal of the American Geriatrics Society.
Ankuda, Claire K.; Maust, Donovan T.; Kabeto, Mohammed U.; McCammon, Ryan J.; Langa, Kenneth M.; Levine, Deborah A. (2017). Association Between Spousal Caregiver Well-Being and Care Recipient Healthcare Expenditures. Journal of the American Geriatrics Society, 65(10), 2220-2226.
Harris, J. A.; Byhoff, E.; Perumalswami, C. R.; Langa, Kenneth M.; Wright, A. A.; Griggs, J. J. (2017). The relationship of obesity to hospice use and expenditures: A cohort study. Annals of Internal Medicine, 166(6), 381-389.
Brilleman, Samuel L.; Wolfe, Rory; Moreno-Betancur, Margarita; Sales, Anne E.; Langa, Kenneth M.; Li, Yun; Biddison, Elizabeth L. Daugherty; Rubinson, Lewis; Iwashyna, Theodore J. (2017). Associations between community-level disaster exposure and individual-level changes in disability and risk of death for older Americans. Social science & medicine, 173, 118-125.
Langa, Kenneth M.; Larson, E. B.; Crimmins, E. M.; Faul, Jessica D.; Levine, D. A.; Kabeto, M. U.; Weir, David R. (2017). A comparison of the prevalence of dementia in the united states in 2000 and 2012. JAMA Internal Medicine, 177(1), 51-58.
Larson, Eric B.; Langa, Kenneth M. (2017). What’s the “Take Home” from Research on Dementia Trends?. PLoS Medicine, 14(3), e1002236.
Lee, Aaron A.; Piette, John D.; Heisler, Michele; Janevic, Mary R.; Langa, Kenneth M.; Rosland, Ann-Marie (2017). Family members’ experiences supporting adults with chronic illness: A national survey. Families, Systems, & Health, 35(4), 463-473-473.
Leggett, Amanda; Clarke, Philippa J.; Zivin, Kara; McCammon, Ryan; Elliott, Michael R.; Langa, Kenneth M. (2017). Recent Improvements in Cognitive Functioning Among Older U.S. Adults: How Much Does Increasing Educational Attainment Explain?. Journals of Gerontology, Series B.
Chang, Virginia W.; Langa, Kenneth M.; Weir, David R.; Iwashyna, Theodore J. (2017). The obesity paradox and incident cardiovascular disease: A population-based study. PLOS ONE, 12(12), e0188636.
Prescott, Hallie C.; Osterholzer, John J.; Langa, Kenneth M.; Angus, Derek C.; Iwashyna, Theodore J. (2016). Late mortality after sepsis: propensity matched cohort study. British Medical Journal, 353, i2375.
Gawronski, Katerina A. B.; Kim, Eric S.; Langa, Kenneth M.; Kubzansky, Laura D. (2016). Dispositional Optimism and Incidence of Cognitive Impairment in Older Adults. Psychosomatic medicine, 78, 819-828.
Kim, Daniel; Griffin, Beth Ann; Kabeto, Mohammed; Escarce, José; Langa, Kenneth M.; Shih, Regina A. (2016). Lagged Associations of Metropolitan Statistical Area- and State-Level Income Inequality with Cognitive Function: The Health and Retirement Study. PLOS ONE, 11(6), e0157327.
Littlejohns, Thomas J.; Kos, Katarina; Henley, William E.; Lang, Iain A.; Annweiler, Cedric; Beauchet, Olivier; Chaves, Paulo H. M.; Kestenbaum, Bryan R.; Kuller, Lewis H.; Langa, Kenneth M.; Lopez, Oscar L.; Llewellyn, David J. (2016). Vitamin D and Risk of Neuroimaging Abnormalities. PLOS ONE, 11(5), e0154896.
Shah, Hiral; Albanese, Emiliano; Duggan, Cynthia; Rudan, Igor; Langa, Kenneth M.; Carrillo, Maria C.; Chan, Kit Yee; Joanette, Yves; Prince, Martin; Rossor, Martin; Saxena, Shekhar; Snyder, Heather M.; Sperling, Reisa; Varghese, Mathew; Wang, Huali; Wortmann, Marc; Dua, Tarun (2016). Research priorities to reduce the global burden of dementia by 2025. The Lancet Neurology, 15(12), 1285-1294.
Burke, James F.; Kerr, Eve A.; McCammon, Ryan J.; Holleman, Rob; Langa, Kenneth M.; Callaghan, Brian C. (2016). Neuroimaging overuse is more common in Medicare compared with the VA. Neurology, 87, 792-798.
Byhoff, Elena; Harris, John A.; Langa, Kenneth M.; Iwashyna, Theodore J. (2016). Racial and Ethnic Differences in End-of-Life Medicare Expenditures. Journal of the American Geriatrics Society, 64, 1789-1797.
Díaz-Venegas, Carlos; Downer, Brian; Langa, Kenneth M.; Wong, Rebeca (2016). Racial and ethnic differences in cognitive function among older adults in the USA. International journal of geriatric psychiatry, 31(9), 1004-1012.
Karlawish, J.; Langa, Kenneth M. (2016). Unfinished business in preventing alzheimer disease. JAMA Internal Medicine, 176(12), 1739-1740.
Yu, Rebecca P.; Ellison, Nicole B.; McCammon, Ryan J.; Langa, Kenneth M. (2016). Mapping the two levels of digital divide: Internet access and social network site adoption among older adults in the USA. Information Communication & Society, 19(10), 1445-1464.
Kuzma, Elzbieta; Soni, Maya; Littlejohns, Thomas J.; Ranson, Janice M.; Schoor, Natasja M. van; Deeg, Dorly J. H.; Comijs, Hannie; Chaves, Paulo H. M.; Kestenbaum, Bryan R.; Kuller, Lewis H.; Lopez, Oscar L.; Becker, James T.; Langa, Kenneth M.; Henley, William E.; Lang, Iain A.; Ukoumunne, Obioha C.; Llewellyn, David J. (2016). Vitamin D and Memory Decline: Two Population-Based Prospective Studies. Journal of Alzheimers Disease, 50(4), 1099-1108.
Maust, Donovan T.; Langa, Kenneth M.; Blow, Frederic C.; Kales, Helen C. (2016). Psychotropic use and associated neuropsychiatric symptoms among patients with dementia in the USA. International journal of geriatric psychiatry, 32(2), 164-174.
Maust, Donovan; Kales, Helen C.; McCammon, Ryan; Blow, Frederic C.; Langa, Kenneth M. (2016). The Association of Neuropsychiatric Symptoms of Dementia with Medicare Costs. The American Journal of Geriatric Psychiatry, 24, S151-S153.
Callaghan, B.; Kerber, K.; Langa, Kenneth M.; Banerjee, M.; Rodgers, A.; McCammon, R.; Burke, J. and Feldman, E. (2015). Longitudinal Patient-Oriented Outcomes in Neuropathy: Importance of Early Detection and Falls. Neurology, 85(1), 71-79.
Hurd, M. D.; Martorell, P. and Langa, Kenneth M. (2015). Future Monetary Costs of Dementia in the United States Under Alternative Dementia Prevalence Scenarios. Journal of Population Ageing, 8(1-2), 101-112.
Langa, Kenneth M. (2015). Is the Risk of Alzheimer’s Disease and Dementia Declining?. Alzheimer's Research & Therapy, 7, 34.
Prescott, H. C.; Langa, Kenneth M. and Iwashyna, T. J. (2015). Readmission Diagnoses After Hospitalization for Severe Sepsis and Other Acute Medical Conditions. Jama, 313(10), 1055-1057.
Saczynski, J. S.; Rosen, A. B.; McCammon, R. J.; Zivin, K.; Andrade, S. E.; Langa, Kenneth M.; Vijan, S.; Pirraglia, P. A. and Briesacher, B. A. (2015). Antidepressant use and Cognitive Decline: The Health and Retirement Study. The American Journal of Medicine, 128(7), 739-746.
Kotagal, V.; Bohnen, N. I.; Muller, M. L.; Koeppe, R. A.; Frey, K. A.; Langa, Kenneth M. and Albin, R. L. (2015). Educational Attainment and Motor Burden in Parkinson’s Disease. Movement Disorders : Official Journal of the Movement Disorder Society, 30(8), 1143-1147.
Kotagal, V.; Langa, Kenneth M.; Plassman, B. L.; Fisher, G. G.; Giordani, B. J.; Wallace, R. B.; Burke, J. R.; Steffens, D. C.; Kabeto, M.; Albin, R. L. and Foster, N. L. (2015). Factors Associated with Cognitive Evaluations in the United States. Neurology, 84(1), 64-71.
Min, L.; Mazzurco, L.; Gure, T. R.; Cigolle, C. T.; Lee, P.; Bloem, C.; Chan, C. L.; Romano, M. A.; Nallamothu, B. K.; Langa, Kenneth M.; Prager, R. L. and Malani, P. N. (2015). Longitudinal Functional Recovery After Geriatric Cardiac Surgery. The Journal of Surgical Research, 194(1), 25-33.
Levine, D. A.; Galecki, A. T.; Langa, Kenneth M.; Unverzagt, F. W.; Kabeto, M. U.; Giordani, B. and Wadley, V. G. (2015). Trajectory of Cognitive Decline After Incident Stroke. Jama, 314(1), 41-51.
Levine, D. A.; Kabeto, M.; Langa, Kenneth M.; Lisabeth, L. D.; Rogers, M. A. and Galecki, A. T. (2015). Does Stroke Contribute to Racial Differences in Cognitive Decline?. Stroke; a Journal of Cerebral Circulation, 46(7), 1897-1902.
Levy, Helen G.; Janke, A. T. and Langa, Kenneth M. (2015). Health Literacy and the Digital Divide among Older Americans. Journal of General Internal Medicine, 30(3), 284-289.
Prescott, H. C.; Dickson, R. P.; Rogers, M. A.; Langa, Kenneth M. and Iwashyna, T. J. (2015). Hospitalization Type Predicts Risk of Subsequent Severe Sepsis. American Journal of Respiratory and Critical Care Medicine, 192(5), 581-588.
Littlejohns, T. J.; Kos, K.; Henley, W. E.; Cherubini, A.; Ferrucci, L.; Lang, I. A.; Langa, Kenneth M.; Melzer, D. and Llewellyn, D. J. (2015). Serum Leptin and Risk of Cognitive Decline in Elderly Italians. Journal of Alzheimer's Disease : JAD, 44(4), 1231-1239.
Choi, HwaJung; Schoeni, Robert F.; Langa, Kenneth M. and Heisler, Michele M. (2015). Spouse and Child Availability for Newly Disabled Older Adults: Socioeconomic Differences and Potential Role of Residential Proximity. The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 40(3), 462-469.
Davydow, D. S.; Levine, D. A.; Zivin, K.; Katon, W. J. and Langa, Kenneth M. (2015). The Association of Depression, Cognitive Impairment without Dementia, and Dementia with Risk of Ischemic Stroke: A Cohort Study. Psychosomatic Medicine, 77(2), 200-208.
Choi, HwaJung; Schoeni, Robert F.; Langa, Kenneth M. and Heisler, Michele M. (2015). Older Adults’ Residential Proximity to their Children: Changes After Cardiovascular Events. Journals of Gerontology Series B-Psychological Sciences and Social Sciences, 70(6), 995-1004.
Langa, Kenneth M. and Cutler, David (2015). Opportunities for New Insights on the Life-Course Risks and Outcomes of Cognitive Decline in the Kavli HUMAN Project. Big Data, 3(3), 189-192.
Friedman, Esther M.; Shih, Regina A.; Langa, Kenneth M. and Hurd, Michael D. (2015). US Prevalence and Predictors of Informal Caregiving for Dementia. Health Affairs, 34(10), 1637-1641.
Grant, W. B.; Levine, D.; Langa, Kenneth M. and Rogers, M. A. (2014). Acute Infection Contributes to Racial Disparities in Stroke Mortality. Neurology, 83(10), 949-950.
Kelley, A. S.; Langa, Kenneth M.; Smith, A. K.; Cagle, J.; Ornstein, K.; Silveira, M. J.; Nicholas, L.; Covinsky, K. E. and Ritchie, C. S. (2014). Leveraging the Health and Retirement Study to Advance Palliative Care Research. Journal of Palliative Medicine, 17(5), 506-511.
Kuzma, E.; Llewellyn, D. J.; Langa, Kenneth M.; Wallace, R. B. and Lang, I. A. (2014). History of Alcohol use Disorders and Risk of Severe Cognitive Impairment: A 19-Year Prospective Cohort Study. The American Journal of Geriatric Psychiatry : Official Journal of the American Association for Geriatric Psychiatry, 22(10), 1047-1054.
Langa, Kenneth M. and Levine, D. A. (2014). The Diagnosis and Management of Mild Cognitive Impairment: A Clinical Review. Jama, 312(23), 2551-2561.
Nicholas, Lauren H.; Bynum, Julie P. W.; Iwashyna, Theodore J.; Weir, David R. and Langa, Kenneth M. (2014). Advance Directives and Nursing Home Stays Associated with Less Aggressive End-of-Life Care for Patients with Severe Dementia. Health Affairs, 33(4), 667-674.
Prescott, H. C.; Langa, Kenneth M.; Liu, V.; Escobar, G. J. and Iwashyna, T. J. (2014). Increased 1-Year Healthcare use in Survivors of Severe Sepsis. American Journal of Respiratory and Critical Care Medicine, 190(1), 62-69.
Sonnega, Amanda J.; Faul, Jessica D.; Ofstedal, Mary Beth; Langa, Kenneth M.; Phillips, J. W. and Weir, David R. (2014). Cohort Profile: The Health and Retirement Study (HRS). International Journal of Epidemiology, 43(2), 576-585.
Langa, Kenneth M. and Larson, Eric B. (2014). Education, Brain Health, and Improving Life Opportunities for Women. The Journal of the Economics of Ageing, 4, 56-58. The Economic Implications of Population Ageing in China and India.
Weir, David R.; Lay, M. and Langa, Kenneth M. (2014). Economic Development and Gender Inequality in Cognition: A Comparison of China and India, and of SAGE and the HRS Sister Studies. The Journal of the Economics of Ageing, 4, 114-125.
Rohde, Jeffrey; Dimcheff, Derek; Blumberg, Neil; Lindquist, L. A.; Covinsky, K.; Langa, Kenneth M.; Petty, B. G.; Williams, B. C. and Kutner, J. S. (2014). Making General Internal Medicine Research Relevant to the Older Patient with Multiple Chronic Comorbidities. Journal of General Internal Medicine, 29(6), 915-919.
Lee, J.; Shih, R.; Feeney, K. and Langa, Kenneth M. (2014). Gender Disparity in Late-Life Cognitive Functioning in India: Findings from the Longitudinal Aging Study in India. The Journals of Gerontology.Series B, Psychological Sciences and Social Sciences, 69(4), 603-611.
Levine, D. A.; Davydow, D. S.; Hough, C. L.; Langa, Kenneth M.; Rogers, M. A. and Iwashyna, T. J. (2014). Functional Disability and Cognitive Impairment After Hospitalization for Myocardial Infarction and Stroke. Circulation.Cardiovascular Quality and Outcomes, 7(6), 863-871.
Govindan, S.; Shapiro, L.; Langa, Kenneth M. and Iwashyna, T. J. (2014). Death Certificates Underestimate Infections as Proximal Causes of Death in the U.S. PloS One, 9(5), e97714.
Burke, J. F.; Langa, Kenneth M.; Hayward, R. A. and Albin, R. L. (2014). Modeling Test and Treatment Strategies for Presymptomatic Alzheimer Disease. PloS One, 9(12), e114339.
Littlejohns, T. J.; Henley, W. E.; Lang, I. A.; Annweiler, C.; Beauchet, O.; Chaves, P. H.; Fried, L.; Kestenbaum, B. R.; Kuller, L. H.; Langa, Kenneth M.; Lopez, O. L.; Kos, K.; Soni, M. and Llewellyn, D. J. (2014). Vitamin D and the Risk of Dementia and Alzheimer Disease. Neurology, 83(10), 920-928.
Davydow, D. S.; Zivin, K.; Katon, W. J.; Pontone, G. M.; Chwastiak, L.; Langa, Kenneth M. and Iwashyna, T. J. (2014). Neuropsychiatric Disorders and Potentially Preventable Hospitalizations in a Prospective Cohort Study of Older Americans. Journal of General Internal Medicine, 29(10), 1362-1371.
Davydow, Dimitry S.; Hough, Catherine L.; Zivin, Kara; Langa, Kenneth M. and Katon, Wayne J. (2014). Depression and Risk of Hospitalization for Pneumonia in a Cohort Study of Older Americans. Journal of Psychosomatic Research, 77(6), 528-534.
Barnes, Deborah E.; Beiser, Alexa S.; Lee, Anne; Langa, Kenneth M.; Koyama, Alain; Preis, Sarah R.; Neuhaus, John; McCammon, Ryan J.; Yaffe, Kristine; Seshadri, Sudha; Haan, Mary N. and Weir, David R. (2014). Development and Validation of a Brief Dementia Screening Indicator for primary Care. Alzheimer's & Dementia, 10(6), 656-665.e1.
Chen, Lena M.; Norton, Edward C.; Langa, Kenneth M.; Le, Sidney and Epstein, Arnold M. (2014). Geographic Variation in Out-of-Pocket Expenditures of Elderly Medicare Beneficiaries. Journal of the American Geriatrics Society, 62(6), 1097-1104.
Davydow, Dimitry S.; Zivin, Kara and Langa, Kenneth M. (2014). Hospitalization, Depression and Dementia in Community-Dwelling Older Americans: Findings from the National Health and Aging Trends Study. General Hospital Psychiatry, 36(2), 135-141.
Prescott, Hallie C.; Chang, Virginia W.; O'Brien, James M., Jr.; Langa, Kenneth M. and Iwashyna, Theodore J. (2014). Obesity and 1-Year Outcomes in Older Americans with Severe Sepsis. Critical Care Medicine, 42(8), 1766-1774.
Dutta, Ambarish; Henley, William; Robine, Jean-Marie; Llewellyn, David; Langa, Kenneth M.; Wallace, Robert B. and Melzer, David (2014). Aging Children of Long-Lived Parents Experience Slower Cognitive Decline. Alzheimers & Dementia, 10(5), S315-S322.
Antoniou, Evangelia E.; Dutta, Ambarish; Langa, Kenneth M.; Melzer, David and Llewellyn, David (2013). Personality Profile of the Children of Long-Lived Parents. The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 68(5), 730-738.
Hurd, Michael D.; Martorell, Paco; Delavande, Adeline; Mullen, Kathleen J. and Langa, Kenneth M. (2013). Monetary Costs of Dementia in the United States. New England Journal of Medicine, 368(14), 1326-1334.
Rogers, Mary A. M.; Greene, M. T.; Young, Vincent; Saint, Sanjay; Langa, Kenneth M.; Kao, John and Aronoff, David (2013). Depression, Antidepressant Medications, and Risk of Clostridium Difficile Infection. BMC Medicine, 11, 121.
Rosland, Ann-Marie; Heisler, Michele; Janevic, Mary R.; Connell, Cathleen M.; Langa, Kenneth M.; Kerr, Eve A. and Piette, John D. (2013). Current and Potential Support for Chronic Disease Management in the United States: The Perspective of Family and Friends of Chronically Ill Adults. Families, Systems, & Health, 31(2), 119-131.
Sekaran, Nishant K.; Choi, Hwajung; Hayward, Rodney A. and Langa, Kenneth M. (2013). Fall-Associated Difficulty with Activities of Daily Living in Functionally Independent Individuals Aged 65 to 69 in the United States: A Cohort Study. Journal of the American Geriatrics Society, 61(1), 96-100.
Skolarus LE; Morgenstern LB; Zahuranec DB; Burke JF; Langa, Kenneth M. and Iwashyna, T. J. (2013). Acute Care and Long-Term Mortality among Elderly Patients with Intracerebral Hemorrhage Who Undergo Chronic Life-Sustaining Procedures. Journal of Stroke and Cerebrovascular Diseases, 22(1), 15-21.
Levine, D. A.; Haan, M. N.; Langa, Kenneth M.; Morgenstern, L. B.; Neuhaus, J.; Lee, A. and Lisabeth, Lynda, D. (2013). Impact of Gender and Blood Pressure on Poststroke Cognitive Decline among Older Latinos. Journal of Stroke and Cerebrovascular Diseases, 22(7), 1038-1045.
Levine, Deborah A.; Morgenstern, Lewis B.; Langa, Kenneth M.; Piette, John D.; Rogers, Mary A. M. and Karve, Sudeep J. (2013). Recent Trends in Cost-Related Medication Nonadherence among Stroke Survivors in the United States. Annals of Neurology, 73(2), 180-188.
Gure, Tanya R.; Langa, Kenneth M.; Fisher, Gwenith G.; Piette, John D. and Plassman, Brenda L. (2013). Functional Limitations in Older Adults Who have Cognitive Impairment without Dementia. Journal of Geriatric Psychiatry and Neurology, 26(2), 78-85.
Heisler, M.; Choi, H.; Piette, John, D.; Rosland, A.; Langa, Kenneth M. and Brown, S. (2013). Adults with Cardiovascular Disease Who Help Others: A Prospective Study of Health Outcomes. Journal of Behavioral Medicine, 63(2), 199-211.
Clark, D. O.; Stump, T. E.; Tu, W.; Miller, Douglas, K.; Miller, D. K.; Langa, Kenneth M.; Unverzagt, F. W. and Callahan, C. M. (2013). Hospital and Nursing Home use from 2002 to 2008 among US Older Adults with Cognitive Impairment, Not Dementia in 2002. Alzheimer Disease & Associated Disorders, 27(4), 372-378.
Davydow DS; Hough CL; Levine DA; Langa, Kenneth M. and Iwashyna, T. J. (2013). Functional Disability, Cognitive Impairment, and Depression After Hospitalization for Pneumonia. The American Journal of Medicine, 126(7), 615-624.
Delavande, A.; Hurd, Michael, D.; Hurd, M. D.; Martorell, P. and Langa, Kenneth M. (2013). Dementia and Out-of-Pocket Spending on Health Care Services. Alzheimer's & Dementia, 9(1), 19-29.
Dutta, A.; Henley, W.; Robine, JM; Langa, Kenneth M.; Wallace RB and Melzer, D. (2013). Longer Lived Parents: Protective Associations with Cancer Incidence and overall Mortality. The Journals of Gerontology Series A: Biological Sciences and Medical Sciences, 68(11), 1409-1418.
Falk, E. B.; Hyde, L. W.; Mitchell, Colter M.; Faul, Jessica D.; Gonzalez, R.; Heitzeg, M. M.; Keating, Daniel P.; Langa, Kenneth M.; Martz, M. E.; Maslowsky, J.; Morrison, Frederick J.; Noll, D. C.; Patrick, Megan E.; Pfeffer, Fabian T.; Reuter-Lorenz, P. A.; Thomason, M. E.; Davis-Kean, Pamela E.; Monk, Christopher S. and Schulenberg, John E. (2013). What is a Representative Brain? Neuroscience Meets Population Science. Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17615-17622.
Callaghan, B.; McCammon, R.; Kerber, K.; Xu, X.; Langa, Kenneth M. and Feldman, E. (2012). Tests and Expenditures in the Initial Evaluation of Peripheral Neuropathy. Archives of Internal Medicine, 172(2), 127-132.
Clarke, Philippa J.; Ailshire, Jennifer A.; House, James S.; Morenoff, Jeffrey D.; King, Katherine; Melendez, Robert and Langa, Kenneth M. (2012). Cognitive Function in the Community Setting: The Neighbourhood as a Source of ‘cognitive Reserve’?. Journal of Epidemiology & Community Health, 66(8), 730-736.
Naylor MD; Karlawish JH; Arnold SE; Khachaturian AS; Khachaturian ZS; Weir, David R.; Baumgart, M.; Banerjee, S.; Beck, C.; Blennow, K.; Brookmeyer R.; Brunden, Kurt, R.; Buckwalter KC; Comer, M.; Covinsky, K.; Feinberg, LF; Frisoni, G.; Green, C.; Guimaraes RM; Gwyther, LP; Hefti FF; Hutton, M.; Kawas C; Kent, David, M.; Kent DM; Kuller, L.; Langa, Kenneth M.; Mahley RW; Maslow K.; Masters, Colin, L.; Masters CL; Meier DE; Neumann PJ; Paul SM; Petersen RC; Sager MA; Sano, M.; Schenk, D.; Soares, H.; Sperling, Reisa, A.; Sperling, R. A.; Stahl SM; van Deerlin, V.; Stern, Y.; Weir, David R.; Wolk, David, A.; Wolk DA and Trojanowski, J. Q. (2012). Advancing Alzheimer’s Disease Diagnosis, Treatment, and Care: Recommendations from the Ware Invitational Summit. Alzheimer's & Dementia, 8(5), 445-452.
Rakoski, Mina O.; McCammon, Ryan J.; Piette, John D.; Iwashyna, Theodore J.; Marrero, Jorge A.; Lok, Anna S.; Langa, Kenneth M. and Volk, Michael L. (2012). Burden of Cirrhosis on Older Americans and their Families: Analysis of the Health and Retirement Study. Hepatology, 55(1), 184-191.
Zulman, Donna M.; Rosland, Ann-Marie; Choi, HwaJung; Langa, Kenneth M. and Heisler, Michele (2012). The Influence of Diabetes Psychosocial Attributes and Self-Management Practices on Change in Diabetes Status. Patient Education and Counseling, 87(1), 74-80.
Shaffer, V. A.; Merkle, E. C.; Fagerlin, A.; Griggs, Jennifer, J.; Griggs, J. J.; Langa, Kenneth M. and Iwashyna, T. J. (2012). Chemotherapy was Not Associated with Cognitive Decline in Older Adults with Breast and Colorectal Cancer: Findings from a Prospective Cohort Study. Medical Care, 50(10), 849-855.
Rogers, Mary A. M.; Levine, Deborah A.; Blumberg, Neil; Fisher, Gwenith G.; Kabeto, Mohammed and Langa, Kenneth M. (2012). Antigenic Challenge in the Etiology of Autoimmune Disease in Women. Journal of Autoimmunity, 38(2–3), J97-J102. Special Issue: Gender, Sex Hormones, Pregnancy and Autoimmunity.
Gure, T. R.; McCammon, R. J.; Cigolle, C. T.; Koelling, T. M.; Blaum, C. S. and Langa, Kenneth M. (2012). Predictors of Self-Report of Heart Failure in a Population-Based Survey of Older Adults. Circulation.Cardiovascular Quality and Outcomes, 5(3), 396-402.
Gure, Tanya R.; Blaum, Caroline S.; Giordani, Bruno; Koelling, Todd M.; Galecki, Andrzej; Pressler, Susan J.; Hummel, Scott L. and Langa, Kenneth M. (2012). Prevalence of Cognitive Impairment in Older Adults with Heart Failure. Journal of the American Geriatrics Society, 60(9), 1724-1729.
Rogers, M. A.; Levine, D. A.; Blumberg, N.; Flanders, Scott, A.; Chopra, V. and Langa, Kenneth M. (2012). Triggers of Hospitalization for Venous Thromboembolism. Circulation, 125(17), 2092-2099.
Iwashyna, T. J.; Netzer, G.; Langa, Kenneth M. and Cigolle, C. (2012). Spurious Inferences about Long-Term Outcomes: The Case of Severe Sepsis and Geriatric Conditions. American Journal of Respiratory and Critical Care Medicine, 185(8), 835-841.
Davydow, D. S.; Hough CL; Langa, Kenneth M. and Iwashyna, T. J. (2012). Depressive Symptoms in Spouses of Older Patients with Severe Sepsis. Critical Care Medicine, 40(8), 2335-2341.
Davydow, Dimitry S.; Hough, Catherine L.; Langa, Kenneth M. and Iwashyna, Theodore J. (2012). Presepsis Depressive Symptoms are Associated with Incident Cognitive Impairment in Survivors of Severe Sepsis: A Prospective Cohort Study of Older Americans. Journal of the American Geriatrics Society, 60(12), 2290-2296.
Brookmeyer, Ron R.; Evans, D.; Herbert, L.; Langa, Kenneth M.; Heeringa, Steven G.; Plassman, B. and Kukull, W. (2011). National Estimates of the Prevalence of Alzheimer’s Disease in the United States. Alzheimer's & Dementia, 7(1), 61-73.
Crimmins, E. M.; Kim, J. K.; Langa, Kenneth M. and Weir, David R. (2011). Assessment of Cognition using Surveys and Neuropsychological Assessment: The Health and Retirement Study and the Aging, Demographics, and Memory Study.. The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 66(Suppl 1), i162-i171.
Dickens, Andy P.; Lang, Iain A.; Langa, Kenneth M.; Kos, Katarina and Llewellyn, David J. (2011). Vitamin D, Cognitive Dysfunction and Dementia in Older Adults. CNS Drugs, 25(8), 629-639.
Fisher, Gwenith G.; Franks, Melissa M.; Plassman, Brenda L.; Brown, Stephanie L.; Potter, Guy G.; Llewellyn, David; Rogers, Mary A. M. and Langa, Kenneth M. (2011). Caring for Individuals with Dementia and Cognitive Impairment, Not Dementia: Findings from the Aging, Demographics, and Memory Study. Journal of the American Geriatrics Society, 59(3), 488-494.
Fong, Tamara G.; Jones, Richard N.; Rudolph, James L. S. M.; Yang, Frances M.; Tommet, Douglas; Habtemariam, Daniel; Marcantonio, Edward R. S. M.; Langa, Kenneth M. and Inouye, Sharon K. (2011). Development and Validation of a Brief Cognitive Assessment Tool: The Sweet 16. Archives of Internal Medicine, 171(5), 432-437.
Iwashyna, T. J.; Ely, E. and Langa, Kenneth M. (2011). Cognitive and Functional Impairment After Severe sepsis—reply. JAMA: The Journal of the American Medical Association, 305(7), 673-674.
Lang, I. A.; Llewellyn, D. J.; Hubbard, R. E.; Langa, Kenneth M. and Melzer, D. (2011). Income and the Midlife Peak in Common Mental Disorder Prevalence. Psychological Medicine, 41(7), 1365-1372.
Rogers, Mary A. M.; Blumberg, Neil; Heal, Joanna M. and Langa, Kenneth M. (2011). Utilization of Blood Transfusion among Older Adults in the United States. Transfusion, 51(4), 710-718.
Nicholas, Lauren H.; Langa, Kenneth M.; Iwashyna, Theodore J. and Weir, David R. (2011). Regional Variation in the Association between Advance Directives and End-of-Life Medicare Expenditures. JAMA: The Journal of the American Medical Association, 306(13), 1447-1453.
Rocca, Walter A.; Petersen, Ronald C.; Knopman, David S.; Hebert, Liesi E.; Evans, Denis A.; Hall, Kathleen S.; Gao, Sujuan; Unverzagt, Frederick W.; Langa, Kenneth M.; Larson, Eric B. and White, Lon R. (2011). Trends in the Incidence and Prevalence of Alzheimer’s Disease, Dementia, and Cognitive Impairment in the United States. Alzheimer's & Dementia, 7(1), 80-93. Prevalence and Trends of Alzheimer's Disease and Other Age-Related Cognitive Impairment in the United States.
Seshadri, Sudha; Beiser, Alexa; Au, Rhoda; Wolf, Philip A.; Evans, Denis A.; Wilson, Robert S.; Petersen, Ronald C.; Knopman, David S.; Rocca, Walter A.; Kawas, Claudia H.; Corrada, Maria M.; Plassman, Brenda L.; Langa, Kenneth M. and Chui, Helena C. (2011). Operationalizing Diagnostic Criteria for Alzheimer’s Disease and Other Age-Related Cognitive impairment—Part 2. Alzheimer's & Dementia, 7(1), 35-52. Prevalence and Trends of Alzheimer's Disease and Other Age-Related Cognitive Impairment in the United States.
Weir, David R.; Faul, Jessica D. and Langa, Kenneth M. (2011). Proxy Interviews and Bias in Cognition Measures due to Non-Response in Longitudinal Studies: A Comparison of HRS and ELSA. Longitudinal and Life Course Studies, 2(2), 170-184.
Weir, David R.; Wallace, R. B.; Langa, Kenneth M.; Plassman, B. L.; Wilson, R. S.; Bennett, D. A.; Duara, R.; Loewenstein, D.; Ganguli, M. and Sano, M. (2011). Reducing Case Ascertainment Costs in U.S. Population Studies of Alzheimer’s Disease, Dementia, and Cognitive Impairment – Part 1. Alzheimer's & Dementia, 7(1), 94-109.
Wilson, R. S.; Weir, David R.; Leurgans, S. E.; Evans, D. A.; Hebert, L. E.; Langa, Kenneth M.; Plassman, B. L.; Small, B. J. and Bennett, D. A. (2011). Sources of Variability in Estimates of the Prevalence of Alzheimer’s Disease in the United States. Alzheimer's & Dementia, 7(1), 74-79.
Okura, Toru and Langa, Kenneth M. (2011). Caregiver Burden and Neuropsychiatric Symptoms in Older Adults with Cognitive Impairment: The Aging, Demographics, and Memory Study (ADAMS). Alzheimer Disease & Associated Disorders, 25(2), 116-121.
Okura, Toru; Plassman, Brenda L.; Steffens, David C.; Llewellyn, David J.; Potter, Guy G. and Langa, Kenneth M. (2011). Neuropsychiatric Symptoms and the Risk of Institutionalization and Death: The Aging, Demographics, and Memory Study. Journal of the American Geriatrics Society, 59(3), 473-481.
Levine, D. A. and Langa, Kenneth M. (2011). Vascular Cognitive Impairment: Disease Mechanisms and Therapeutic Implications. Neurotherapeutics : The Journal of the American Society for Experimental NeuroTherapeutics, 8(3), 361-373.
Plassman, B. L.; Langa, Kenneth M.; McCammon, R. J.; Fisher, Gwenith G.; Potter, G. G.; Burke, J. R.; Steffens, D. C.; Foster, N. L.; Giordani, B.; Unverzagt, Frederick, W.; Welsh-Bohmer, K. A.; Heeringa, Steven G.; Weir, David R. and Wallace, R. B. (2011). Incidence of Dementia and Cognitive Impairment, Not Dementia in the United States. Annals of Neurology, 70(2), 418-426.
Llewellyn, David J.; Lang, Iain A.; Langa, Kenneth M. and Melzer, David (2011). Vitamin D and Cognitive Impairment in the Elderly U.S. Population. The Journals of Gerontology Series A: Biological Sciences and Medical Sciences, 66A(1), 59-65.
Cigolle, Christine T.; Lee, Pearl G.; Langa, Kenneth M.; Lee, Yuo-Yu; Tian, Zhiyi and Blaum, Caroline S. (2011). Geriatric Conditions Develop in Middle-Aged Adults with Diabetes. Journal of General Internal Medicine, 26(3), 272-279.
Blaum, C. S.; Cigolle, C. T.; Boyd, C.; Wolff, J. L.; Tian, Z.; Langa, Kenneth M. and Weir, David R. (2010). Clinical Complexity in Middle-Aged and Older Adults with Diabetes: The Health and Retirement Study. Medical Care, 48(4), 327-334.
Ely, E. W.; Iwashyna, Theodore J.; Langa, Kenneth M. and Smith, Dylan M. (2010). Long-Term Cognitive Impairment and Functional Disability among Survivors of Severe Sepsis. JAMA: The Journal of the American Medical Association, 304(16), 1787-1794.
Fisher, Gwenith G.; Kabeto, Mohammed U.; Lang, Iain A.; Langa, Kenneth M.; Llewellyn, David J.; Matthews, Fiona E.; Morgenstern, Lewis B.; Plassman, Brenda L. and Rogers, Mary A. M. (2010). Vascular Health, Diabetes, APOE and Dementia: The Aging, Demographics, and Memory Study. Alzheimer's Research & Therapy, 2(19).
Zivin, Kara; Llewellyn, David J.; Lang, Iain A.; Vijan, Sandeep; Kabeto, Mohammed U.; Miller, Erin M. and Langa, Kenneth M. (2010). Depression among Older Adults in the United States and England. American Journal of Geriatric Psychiatry, 18(11), 1036-1044.
Zivin, Kara; Ratliff, Scott; Heisler, Michele M.; Langa, Kenneth M. and Piette, John D. (2010). Factors Influencing Cost-Related Nonadherence to Medication in Older Adults: A Conceptually Based Approach. Value in Health, 13(4), 338-345.
Rogers, Mary A. M. and Langa, Kenneth M. (2010). Untreated Poor Vision: A Contributing Factor to Late-Life Dementia. American Journal of Epidemiology, 171(6), 728-735.
Okura, Toru; Plassman, Brenda L.; Steffens, David C.; Llewellyn, David J.; Potter, Guy G. and Langa, Kenneth M. (2010). Prevalence of Neuropsychiatric Symptoms and their Association with Functional Limitations in Older Adults in the United States: The Aging, Demographics, and Memory Study. Journal of the American Geriatrics Society, 58(2), 330-337.
Kim, Scott Y. H.; Langa, Kenneth M. and Silveira, Maria J. (2010). Advance Directives and Outcomes of Surrogate Decision Making before Death. New England Journal of Medicine, 362, 1211-1218.
Piette, John D.; Rosland, Ann M.; Silveira, Maria; Kabeto, Mohammed and Langa, Kenneth M. (2010). The Case for Involving Adult Children Outside of the Household in the Self-Management Support of Older Adults with Chronic Illnesses. Chronic Illness, 6(1), 34-45.
Poulin, Michael J.; Brown, Stephanie L.; Ubel, Peter A.; Smith, Dylan M.; Jankovic, Aleksandra and Langa, Kenneth M. (2010). Does a Helping Hand Mean a Heavy Heart? Helping Behavior and Well-being among Spouse Caregivers. Psychology and Aging, 25(1), 108-117.
Gure, Tanya R.; Kabeto, Mohammed U.; Plassman, Brenda L.; Piette, John D. and Langa, Kenneth M. (2010). Differences in Functional Impairment Across Subtypes of Dementia. The Journals of Gerontology Series A: Biological Sciences and Medical Sciences, 65A(4), 434-441.
Heisler, Michele; Choi, Hwajung; Rosen, Allison B.; Vijan, Sandeep; Kabeto, Mohammed; Langa, Kenneth M. and Piette, John D., PhD (2010). Hospitalizations and Deaths among Adults with Cardiovascular Disease Who Underuse Medications because of Cost: A Longitudinal Analysis. Medical Care, 48(2), 87-94.
Llewellyn, D. J.; Langa, Kenneth M.; Friedland, R. P. and Lang, I. A. (2010). Serum Albumin Concentration and Cognitive Impairment. Current Alzheimer Research, 7(1), 91-96.
Jenkins, Kristi R.; Kabeto, Mohammed U. and Langa, Kenneth M. (2009). Does Caring for Your Spouse Harm One’s Health? Evidence from a United States Nationally-Representative Sample of Older Adults. Ageing & Society, 29(2), 277-293.
Steffens, D.; Fisher, Gwenith G.; Langa, Kenneth M.; Potter, G. and Plassman, B. (2009). Prevalence of Depression among Older Americans: The Aging, Demographics and Memory Study. International Psychogeriatrics, 21(5), 879-888.
Taylor Jr., D. H.; Østbye, Truls; Langa, Kenneth M.; Weir, David R. and Plassman, B. L. (2009). The Accuracy of Medicare Claims as an Epidemiological Tool: The Case of Dementia Revisited. Journal of Alzheimer's Disease, 17(4), 807-815.
Zivin, Kara; Kabeto, Mohammed U.; Kales, Helen C. and Langa, Kenneth M. (2009). The Effect of Depression and Cognitive Impairment on Enrollment in Medicare Part D. Journal of the American Geriatrics Society, 57(8), 1433-1440.
Chernew, Michael E.; Golberstein, Ezra; Grabowski, David C. and Langa, Kenneth M. (2009). Effect of Medicare Home Health Care Payment on Informal Care. Inquiry, 46(1), 58-71. Inquiry.
Rogers, Mary A. M.; Plassman, Brenda L.; Kabeto, Mohammed; Fisher, Gwenith G.; McArdle, John J.; Llewellyn, David J.; Potter, Guy G. and Langa, Kenneth M. (2009). Parental Education and Late-Life Dementia in the United States. Journal of Geriatric Psychiatry and Neurology, 22(1), 71-80.
Mehta, Kala M.; Stewart, Anita L.; Langa, Kenneth M.; Yaffe, Kristine; Moody-Ayers, Sandra; Williams, Brie A. and Covinsky, Kenneth E. (2009). “Below Average” Self-Assessed School Performance and Alzheimer’s Disease in the Aging, Demographics, and Memory Study. Alzheimer's & Dementia, 5(5), 380-387.
Okura, Toru; Heisler, Michele and Langa, Kenneth M. (2009). Association between Cognitive Function and Social Support with Glycemic Control in Adults with Diabetes Mellitus. Journal of the American Geriatrics Society, 57(10), 1816-1824.
Kim, S. Y. H.; Kim, H. M.; Langa, Kenneth M.; Karlawish, J. H. T.; Knopman, D. S. and Appelbaum, P. S. (2009). Surrogate Consent for Dementia Research: A National Survey of Older Americans. Neurology, 72(2), 149-155.
Langa, Kenneth M.; Llewellyn, D. J.; Lang, I. A.; Weir, David R.; Wallace, R. B.; Kabeto, M. U. and Huppert, F. A. (2009). Cognitive Health among Older Adults in the United States and in England. BMC Geriatrics, 9(1), 23.
Potter, Guy G.; Plassman, Brenda L.; Burke, James R.; Kabeto, Mohammed U.; Langa, Kenneth M.; Llewellyn, David J.; Rogers, Mary A. M. and Steffens, David C. (2009). Cognitive Performance and Informant Reports in the Diagnosis of Cognitive Impairment and Dementia in African Americans and Whites. Alzheimer's & Dementia, 5(6), 445-453.
Gure, Tanya R.; Kabeto, Mohammed U. and Langa, Kenneth M. (2009). The Influence of Long-Term Care Insurance on the Likelihood of Nursing Home Admission. Journal of the American Geriatrics Society, 57(10), 1862-1867.
Blumberg, Neil; Langa, Kenneth M.; Nallamothu, Brahmajee K.; Rogers, Mary A. M. and Saint, Sanjay (2009). Hospital Variation in Transfusion and Infection After Cardiac Surgery: A Cohort Study. BMC Medicine, 7, 37.
Brown, Stephanie L.; Smith, Dylan M.; Schulz, Richard; Kabeto, Mohammed U.; Ubel, Peter A.; Poulin, Michael; Yi, Jaehee; Kim, Catherine and Langa, Kenneth M. (2009). Caregiving Behavior is Associated with Decreased Mortality Risk. Psychological Science, 20(4), 488-494.
Llewellyn, David J.; Iang, Lain A.; Langa, Kenneth M.; Naughton, Felix and Matthews, Fiona E. (2009). Exposure to Secondhand Smoke and Cognitive Impairment in Non-Smokers : National Cross Sectional Study with Cotinine Measurement. British Medical Journal, 338(7695), 632-634.
Llewellyn, David J.; Langa, Kenneth M. and Lang, Iain A. (2009). Serum 25-Hydroxyvitamin D Concentration and Cognitive Impairment. Journal of Geriatric Psychiatry and Neurology, 22(3), 188-195.
Cramer, C.; Haan, M. N.; Galea, S.; Langa, Kenneth M. and Kalbfleisch, J. D. (2008). Use of Statins and Incidence of Dementia and Cognitive Impairment without Dementia in a Cohort Study SYMBOL. Neurology, 71(5), 344-350.
Huppert, Felicia A.; Lang, Iain A.; Langa, Kenneth M.; Llewellyn, David J.; Melzer, David and Xie, Jing (2008). Framingham Stroke Risk Profile and Poor Cognitive Function: A Population-Based Study. Neurology, 8(12).
Lang, Iain A.; Llewellyn, David J.; Langa, Kenneth M.; Wallace, Robert B. and Melzer, David (2008). Neighbourhood Deprivation and Incident Mobility Disability in Older Adults. Age and Ageing, 37(4), 403-410.
Lang, Iain A.; Llewellyn, David J.; Langa, Kenneth M.; Wallace, Robert B.; Huppert, Felicia A. and Melzer, David (2008). Neighborhood Deprivation, Individual Socioeconomic Status, and Cognitive Function in Older People: Analyses from the English Longitudinal Study of Ageing. Journal of the American Geriatrics Society, 56(2), 191-198.
Fisher, Gwenith G.; Plassman, Brenda L.; Heeringa, Steven G. and Langa, Kenneth M. (2008). Assessing the Relationship of Cognitive Aging and Processes of Dementia. 340. In Hofer,Scott M. and Alwin,Duane F. (Ed.), Handbook of Cognitive Aging : Interdisciplinary Perspectives. Sage Publications:Los Angeles.
Langa, Kenneth M.; Larson, Eric B.; Karlawish, Jason H.; Cutler, David M.; Kabeto, Mohammed U.; Kim, Scott Y. and Rosen, Allison B. (2008). Trends in the Prevalence and Mortality of Cognitive Impairment in the United States: Is there Evidence of a Compression of Cognitive Morbidity?. Alzheimer's & Dementia, 4(2), 134-144.
Plassman, B.; Langa, Kenneth M.; Fisher, Gwenith G.; Heeringa, Steven G.; Weir, David R.; Ofstedal, Mary Beth; Burke, J.; Hurd, M.; Potter, G.; Rodgers, Willard L.; Steffens, D.; McArdle, J.; Willis, Robert J. and Wallace, R. (2008). Prevalence of Cognitive Impairment without Dementia in the United States. Annals of Internal Medicine, 148(6), 427-434.
Gure, Tanya R.; Kabeto, Mohammed U.; Blaum, Caroline S. and Langa, Kenneth M. (2008). Degree of Disability and Patterns of Caregiving among Older Americans with Congestive Heart Failure. Journal of General Internal Medicine, 23(1), 70-76.
Llewellyn, David J.; Lang, Iain A.; Langa, Kenneth M. and Huppert, Felicia A. (2008). Cognitive Function and Psychological Well-being: Findings from a Population-Based Cohort. Age and Ageing, 37(6), 685-689.

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