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The Harmonized Longitudinal Aging Study in India - Diagnostic Assessment of Dementia (LASI-DAD) is a streamlined collection of variables derived from the Harmonized Cognitive Assessment Protocol (HCAP) interview of LASI. Documentation for each variable in Harmonized LASI-DAD, including a description of its creation, the LASI-DAD variables used, and descriptive statistics, is detailed in the Harmonized LASI-DAD codebook.

Section A: Demographics and Identifiers
Section B: Cognition
Section C: Informant Report
Section D: Health & Physical Measures
Section E: Polygenic Risk Scores (PRSs)
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