Welcome to LASI-DAD

Description: Real Time Insights (RTI) COVID-India is a longitudinal study of people aged 18 and older, living in private households in India. Its sample was drawn from a nationally representative cohort, the Harmonized Diagnostic Assessment of Dementia for the Longitudinal Aging Study in India (LASI-DAD). Its main goal is to provide insight on the COVID-19-related changes in the social, economic, institutional, and policy environments in India. The survey elicits information about demographics, COVID-19 awareness, COVID-19 avoidance behavior, COVID-19 testing and symptoms, COVID-19 vaccination, economic effects of COVID-19, health, access to healthcare, food security, informal caregiving, cognition, depression, depression and anxiety, isolation and social contact, and discrimination.

The RTI COVID-India sample is a nationally representative sample of the population aged 18 years and older, living in private households in India. The initial sample was recruited in 2020 from households that participated in Wave 1 of LASI-DAD and had a valid phone number. Of the 3,316 LASI-DAD households, 2,740 had valid phone numbers and were contacted for enrollment.
Age EligibilityAge 18 and older
People Interviewed per HouseholdOne randomly selected adult male and one randomly selected adult female per round
RepresentativenessNationally representative

The RTI COVID-India interviews were carried out every two months using computer-assisted telephone interviewing (CATI) between May 2020 and January 2022. To ensure high-quality data collection, the consent form and questionnaire were translated into 12 languages: Hindi, Kannada, Malayalam, Gujarati, Tamil, Punjabi, Urdu, Bengali, Assamese, Odiya, Marathi, and Telugu.

The RTI COVID-India Wave 1 sample included 1,521 households containing 2,836 individuals. At Waves 2 through 8, additional households were added to the sample if they participated in Wave 1 of LASI-DAD and had a valid phone number. In addition, if a respondent was unavailable at a subsequent wave, an additional randomly selected household member was selected for an interview instead. As a result, it is possible to have more than two respondents interviewed per household. Also, at Wave 3, all primary LASI-DAD respondents with valid phone numbers were invited to participate.

RTI COVID-India data can be linked to both LASI and LASI-DAD.
Public access RTI Covid-India data can be downloaded from the Gateway to Global Aging Data. Data are anonymized and available by request from the Gateway.
RTI COVID-India interviewRTI COVID-India
LASI-DADGateway to Global Aging Data
LASIGateway to Global Aging Data
The Gateway to Global Aging Data has created a user-friendly dataset based on RTI COVID-India data designed to allow researchers to conduct cross-round and cross-study analysis.
Harmonized COVID-IndiaA dataset of research-ready variables derived from the RTI COVID-India interviews of Waves 1-8.Coming soon