Sri Lanka Health and Ageing Study (SLHAS)
The SLHAS cohort is comprised of over 6,500 participants located from across Sri Lanka. All participants are aged over 18, and 51% are female. Since 2024, the cohort have been followed up twice. Participants aged over 70 years were oversampled to make up approximately 16% of the cohort, with 70% comprising of participants aged 30 - 69 years.
Study design
Cohort, Biobank
Number of participants at first data collection
6,668 (participants)
Age at first data collection
≥ 18 years (participants)
Participant year of birth
Varied (participants)
Participant sex
All
Representative sample at baseline?
Non-institutionalised Sri Lankan national population at recruitment.
Sample features
Country
Year of first data collection
2018
Primary Institutions
Institute for Health Policy (IHP)
Rajarata University of Sri Lanka (ශ්රී ලංකා රජරට විශ්වවිද්යාලය/இலங்கை ரஜரட்ட பல்கலைக்கழகம்)
University of Colombo (කොළඹ විශ්වවිද්යාලය)
University of Peradeniya (පේරාදෙණිය විශ්වවිද්යාලය)
University of Ruhuna (රුහුණ විශ්වවිද්යාලය, රෝහණ සරසවිය)
Profile paper DOI
Funders
Asia Foundation
Foundation Open Society Institute (OSI)
Institute for Health Policy (IHP)
National Institute for Health and Care Research (NIHR)
Neelan Tiruchelvam Trust (NTT)
Ongoing?
Yes
Data types collected
- Computer, paper or task testing (e.g. cognitive testing, theory of mind doll task, attention computer tasks)
- Interview – phone
- Physical or biological assessment (e.g. blood, saliva, gait, grip strength, anthropometry)
- Secondary data
- Self-report questionnaire – paper or computer assisted
- None
- None
- Healthcare data
- Mortality data
Engagement
Keywords
