Question

What are the types of data commonly use to conduct Cohort studies?

Answer 1

Ans. Cohort studies- cohort studies typically observe large groups of individuals, recording their exposure to certain risk factors to find clues as to the possible causes of disease. They can be prospective studies and gather data going forward, or retrospective cohort studies.

There are five steps of data in cohort studies-

1.Identify the study subject;that is the cohort population.

2.obtain baseline data on the exposure;measure the exposure at the start. (the exposure may be a particular event, a permanent state or a reversible state.)

3.select a sub classification of the cohort;the unexposed control-to be the comparison group.

4.follow up;measure the outcomes using records, interview or examination

5.Do the data analysis where the outcomes are assessed and compared.