If you desire to study the incidence of diarrhea in a community which study method would you like to opt for
The aim of study would be to find risk factors. It is a prospective study.In the coho study, we can determine incidence rates.&;A well-designed coho study is considered the most reliable means of showing an association between a suspected risk factor and subsequent disease"Park 23rd edition pg: 76
Cross-sectional study
Coho study
Case control study
Double blind placebo study
Concept of health and disease