Question

Identify which of the following six types of study designs most appropriately characterizes the situation described below. The physical examination records of the incoming freshmen class of 1935 at the University of Minnesota are examined in 1980 to see whether their recorded height and weight at the time of admission to the university are related to their chance of developing coronary heart disease by 1981. O Cross-sectional study 0 Case-control study O Prospective cohort study Historical prospective cohort study Clinical trial 0 Community trial

Answer 1

• Historical prospective cohort study
• Because the investigators jump back into the time to identify the cohort of individuals at a point in time before they have develop the outcome of intrest and establish exposure status at that point of time.