Cohort Cohort Connect Consortium Profile Overview
Cohort profile

Karunagappally Cohort Study

Start year: 1990 Disease-Specific Cohort National Longitudinal/Prospective
Participants
359,619
Age group
30-84 years
Gender
Men & Women
Study overview
Overview
Study title
Karunagappally Cohort Study
Participants enrolled
359,619
Lead institute
Natural Background Radiation Cancer Registry (NBRCR)
Principal investigator (PI)
Padmavathy Amma Jayalekshmy (NBRCR)
Study design
Longitudinal/Prospective
Location
Kerala (Karunagappally)
Single / multiple sites
Single Site
Key highlights
The Karunagappally Cohort Study is a large population-based cohort in Kerala investigating the health effects of chronic exposure to high natural background radiation from thorium-rich monazite sands. The study follows about 350,000 residents to evaluate associations between radiation exposure and cancer incidence and mortality.
Insights & criteria
Insights
Socio‑demographic / economic
Rural Setting
Recruitment and timeline
1990-1997
Follow‑up
Average 10.5 years Follow-up
Keywords
Cancer, Epidemiology, Environmental Exposures
Details
Details
Age group
30-84 years
Gender
Men & Women
Scope
National
Category
Disease-Specific Cohort