Which of the following is true about coho study?
A coho study is a paicular form of longitudinal study that samples a coho (a group of people who share a defining characteristic, typically those who experienced a common event in a selected period, such as bih or graduation), performing a cross-section at intervals through time. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 83
Disease to risk factor study
Effect to cause study
Not associated with attributable risk
Associated with antecedent causation
Epidemiology