Data Downloads: LASI-DAD

The updated LASI-DAD Wave 1 Version A.2 is available now. Please see the detail information in the “What’s new” section of the codebook. The file contains contains all three phases of data.

Please cite all information retrieved from the Gateway as follows:
Jinkook Lee, A.B. Dey, Pranali Khobradage, Joyita Banerjee, Albert Weerman, Sandy Chien, Peifeng Hu, Eileen Crimmins, Marco Angrisani, David Bloom, P. Arokiasamy, Kenneth Langa, Mathew Varghese (2019). Harmonized Diagnostic Assessment of Dementia for the Longitudinal Aging Study in India (LASI-DAD) Wave 1 Version A Data, doi:10.25549/h5wx-ay45. Produced and distributed by the University of Southern California with funding from the National Institute on Aging (R01AG051125, RF1AG055273, U01AG065958).

April, 2021

includes data & codebooks for:

  • Cognition tests
  • Informant reports
  • Geriatric assessments
  • Venous blood specimens
Harmonized LASI-DAD
Sept, 2021


  • Harmonized data
  • Codebook
  • Stata creation code

Data access instructions:

How to Apply:
  1. Create an account on the Gateway to Global Aging Data website, if you don't already have one.
  2. Download and complete the Sensitive Data Access Use Agreement. While filling this form, please use the same email address that you registered with the Gateway to Global Aging Data website.
  3. Submit the Sensitive Data Order Form.
The Approval Process:
  1. The LASI-DAD team will review your request and verify your identity and institutional affiliation. Once this authentication process has been completed to our satisfaction, we will authorize access to the desired data set. We will communicate with you at the email address that you provided when you registered with the Gateway to Global Aging Data website.
Download Instructions:
  1. Once approved, please login at the Gateway to Global Aging Data website.
  2. Under the Downloads: Data and Links page, click LASI-DAD under the HCAP tab.
  3. The download links on the page will be activated for approved users.
Please contact us at if you have any questions.