Question

2 fill in the blank 0.5 points in this type of epidemiological studies patients with disease are matched with individual with similar characteristics, but do not have the dis, patients past behavior and record are studied. however, in this type, preventions or treatments is studied on patients. since the latter study involves future outcomes, it is also

Explanation:

Epidemiological studies that match diseased patients with non - diseased individuals of similar characteristics and study past behavior are case - control studies which are a type of retrospective study. Prospective studies involve following subjects into the future to observe outcomes. Since the description in the first part is about looking at past records and matching, it is a retrospective study.

Answer:

Retrospective