In a village of 1 lakh population, among 20, 000 exposed to smoking, 200 developed cancer, and among 40,000 people unexposed, 40 developed cancer. The relative risk of smoking in the development of cancer is –

Social & Preventive Medicine

In a village of 1 lakh population, among 20, 000 exposed to smoking, 200 developed cancer, and among 40,000 people unexposed, 40 developed cancer. The relative risk of smoking in the development of cancer is –

A study is to be conducted with regards to the fat content…

'There has been a gradual increase in number of non-communicable disease cases…

All of the following are done to remove Confounding except