How do you access LASI-DAD data?

LASI-DAD is labeled “Data-use agreement” on this guide. Open the access portal or documentation links on the record for the current host process—do not assume open download if registration or a DUA is required.

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Part of LASI · LASI-DAD (60+ subsample)

LASI-DAD

LASI Diagnostic Assessment of Dementia (LASI-DAD)

Name: LASI Diagnostic Assessment of Dementia (LASI-DAD)
Creator: USC / LASI-DAD

LASI-DAD is used to study dementia, cognition, and geriatric health in a LASI older-adult subsample.

Data-use agreementLarge

health aging

Host / institution

USC / LASI-DAD · USC / LASI-DAD

Geography

India

Time coverage

LASI subsample 60+

Update frequency

Specialized follow-on

What this is best for

Dementia and cognitive-aging research

Main limitations

DUA required; subsample of LASI

Quick answers

Short research-facing answers derived from this catalog record.

What is LASI-DAD used for?: Dementia and cognitive-aging research
How do you access LASI-DAD data?: LASI-DAD is labeled “Data-use agreement” on this guide. Open the access portal or documentation links on the record for the current host process—do not assume open download if registration or a DUA is required.
What geography and time does LASI-DAD cover?: Geography: India. Time coverage: LASI subsample 60+.
What are the main limitations of LASI-DAD?: DUA required; subsample of LASI

Guides for using this data

Official portals, user guides, codebooks, and tutorials for access and analysis.

3 links

Variables5

Live-fetched www.lasi-dad.org (2026-07-09): LASI-DAD. Representative fields for the page table — verify the full dictionary on the official site.

Sourced from live host documentation

Open official dictionary

Name / code	Description	Group
Cognition tests	Raw cognitive test scores	Cognition
Informant interview	Informant report items	Informant
Geriatric assessment	Geriatric evaluation fields	Clinical
Biomarkers	Biomarker subsample measures	Biomarkers
Age 60+	LASI subsample aged 60+	Sample

Formats

survey files

Technical tags

household surveymicrodatarestricted access

Example uses

Cognitive impairment prevalence and risk factors

Research and articles using this data

Verified examples that analyze, reuse, introduce, or visualize this dataset. Search matches without evidence are not published here.

3 verified sources

Scholarly works3

Journal articleAnalyzes data
Educational Attainment and Later-Life Cognitive Function in High- and Middle-Income Countries: Evidence From the Harmonized Cognitive Assessment Protocol
Yuan S Zhang, Brendan O’Shea, Xuexin Yu · et al. · The Journals of Gerontology Series B · 2024
Analyzes LASI-DAD data in the context of: "Educational Attainment and Later-Life Cognitive Function in High- and Middle-Income Countries: Evidence From the Harmonized Cognitive Assessment Protocol".
Journal articleAnalyzes data
Estimating the Prevalence of Dementia in India Using a Semi-Supervised Machine Learning Approach
Haomiao Jin, Eileen M. Crimmins, Kenneth M. Langa · et al. · Neuroepidemiology · 2023
Analyzes LASI-DAD data in the context of: "Estimating the Prevalence of Dementia in India Using a Semi-Supervised Machine Learning Approach".
Journal articleAnalyzes data
THE RELATIONSHIP BETWEEN ORAL HEALTH AND COGNITIVE FUNCTION: EVIDENCE FROM THE LASI
Xi Pan, Uma Kelekar, T. Muhammad · Innovation in Aging · 2023
Analyzes LASI-DAD data in the context of: "THE RELATIONSHIP BETWEEN ORAL HEALTH AND COGNITIVE FUNCTION: EVIDENCE FROM THE LASI".

Scholarly checked:: 10 Sept 2026
Web checked:: Not checked yet

Open access portal Documentation

Pairs well with

Many Indian data problems need survey + administrative combinations.