Question

High levels of job stress Little/ no job stress Hypertension No Hypertension Total 385 15,425 15,810 233 12,703 12,936 618 28,128 28,746 Total

10. For the case-control study scenario, how would you define your cases (disease

status). Make sure to include the population.

11. How will you identify cases/how will you gather information on them?

12. How would you define your controls? Make sure to include the population.

13. How will you identify controls/how will you gather information on them?

Answer 1

10).

A case-control study is an observational retrospective study in which two groups are compared on the basis of exposure to the cause of disease attributes, At the end of the study, the results are compared with the initial status. The two groups in the study include people that are exposed to certain conditions or diseased (cases) and another group includes the people that are not exposed to the condition (controls).

For example, when studying the effects of stress on the occurrence of hypertension, people who are exposed to stress are the cases and those that are not exposed to stress are the controls. Both groups are observed for the development of hypertension, so the role of stress in the pathogenesis of hypertension can be determined.