ArticleJournal of the American Geriatrics Society2020
Design and Methodology of the Longitudinal Aging Study in India-Diagnostic Assessment of Dementia (LASI-DAD).
Article in Journal of the American Geriatrics Society, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.
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Who cites it
55 citing papers in PubMed, 53 citations in OpenAlex.
- Probing effect modification by socioeconomic status in associations between blood biomarkers of neuropathology and cognitive outcomes in the United States and India.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Superficial white matter and gray matter jointly support cognition among older adults in India.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- A Multidomain Model for Dementia Classification using Harmonized LASI and LASI-DAD Data.medRxiv : the preprint server for health sciences · 2026Article
- Exploring the association between higher education and steeper cognitive decline in a nationally representative longitudinal study in India.American journal of epidemiology · 2026Article
- Intrinsic capacity and survival among older adults in India: LASI-DAD study (wave 1 and wave 2).The Lancet regional health. Southeast Asia · 2026Article
- Methodological adaptations for applying the Harmonised Cognitive Assessment Protocol diagnostic algorithm in the Northern Ireland Cohort for the Longitudinal Study of Ageing (NICOLA-HCAP).BMC research notes · 2026Article
- A study evaluation framework for measuring cognition: lessons learned in cross-national contexts from four English-speaking aging cohorts.European journal of epidemiology · 2026Article
- A reference panel for linkage disequilibrium and genotype imputation using whole-genome sequencing data from 2,680 participants across India.HGG advances · 2026Article
- Dual sensory loss and cognitive performance among older adults in India.Journal of Alzheimer's disease : JAD · 2026Article
- Cardiometabolic-Inflammatory Risk Factors and Cognitive Decline Among Older Indians-Report From a Nationally Representative, Longitudinal Study.Journal of the American Geriatrics Society · 2026Article
- Cohort Profile Update: The Harmonised Cognitive Assessment Protocol sub-study of the Northern Ireland Cohort for the Longitudinal Study of Ageing (NICOLA-HCAP).International journal of epidemiology · 2026Article
- Socioeconomic and clinical predictors of all-cause mortality among older adults in India from 2017 to 2024: the importance of cognitive health and dementia.The journals of gerontology. Series A, Biological sciences and medical sciences · 2026Article
- The measurement of cognition in large-scale cross-national surveys: lessons from the Health and Retirement Study International Network of Studies and the Harmonized Cognitive Assessment Protocol.The journals of gerontology. Series B, Psychological sciences and social sciences · 2026Article
- Cross-sectional associations between lifecourse dementia risk factors, plasma neurodegenerative biomarkers, and cognition in older adults in India.Journal of Alzheimer's disease : JAD · 2026Article
- Association between Alzheimer's disease-related genes and neurodegenerative blood-based biomarkers in Indian adults.Frontiers in aging neuroscience · 2026Article
- Association of blood-based neurodegenerative biomarkers with cognitive functioning and dementia in India (LASI-DAD) and the United States (HRS).American journal of epidemiology · 2025Article
- Prevalence and causes of anemia among older adults in India: findings from wave 2 of the Harmonized Diagnostic Assessment of Dementia for the Longitudinal Aging Study in India (LASI-DAD).International journal for equity in health · 2025Article
- Estimating cognitive decline in longitudinal studies with high mortality and a long interwave period: A comparison of approaches and considerations around integrating end-of-life interview data.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- Methodological considerations of diet assessment of the older Indian population in the longitudinal aging study in India-Harmonised Diagnostic Assessment of Dementia (LASI-DAD).BMC public health · 2025Article
- Cross-sectional associations between lifecourse dementia risk factors, plasma neurodegenerative biomarkers, and cognition in older adults in India.medRxiv : the preprint server for health sciences · 2025Article
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Authors and funding
8 authors at 5 institutions in 2 countries.
Funding
Abstract
BACKGROUND/
objectivesTo provide high-quality data on older adults in India that will enable an in-depth study of late-life cognition and dementia in India and cross-country analysis of risk factors for cognitive aging and dementia.
designThe Longitudinal Aging Study in India (LASI) is a nationally representative survey of health, economic, and social well-being of the Indian population aged 45 and older. Its large sample of more than 70,000 older adults represents not only the country as a whole but also each state. LASI-Diagnostic Assessment of Dementia (DAD) is an in-depth study of late-life cognition and dementia, drawing a subsample of over 3,000 LASI respondents aged 60 and older.
settingParticipants were interviewed at home or in a participating hospital according to their preferences.
participantsAdults aged 60 and older (N = 3,224), along with 3,191 informants. MEASUREMENTS: Respondents underwent a battery of cognitive tests, and informants were interviewed about their cognitive and health conditions. A common set of cognitive tests was selected to enable international comparisons, and additional cognitive tests suitable for illiterate and innumerate populations were also selected. Rich data on risk factors of dementia were collected through health examination, venous blood assays, and genotyping.
resultsThe response rate was 82.9%, varying across sex, education, and urbanicity. Data are available to other researchers.
conclusionLASI-DAD provides an opportunity to study late-life cognition and dementia and their risk factors in the older population in India and to gain further insights through cross-country analysis by pooling data from its international sister studies. J Am Geriatr Soc 68:S5-S10, 2020.
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