Institute for Research and Development

Colombo Twin and Singleton Follow-up Study

Strong evidence exists which suggests associations between cardiovascular disease, diabetes and depression. The Colombo Twin and Singleton Study follow-up Study (CoTaSS 2) seeks to explore this in the Sri Lankan population and estimate the extent of overlapping genetic and environmental influences. This is the follow-up study of the population based twin study on common mental…

CoTaSS Study

A population-based twin register was established in the Colombo district of Sri Lanka using infrastructure designed to periodically update the electoral register. We invited a subsample from this register to participate in the project on common mental disorders, using random ascertainment. A separate non-twin sample was randomly selected from the geographical areas where twins were…