To test the efficacy of a health education program in reducing the risk of foodborne and waterborne diseases, the residents of two Peruvian villages were given an intensive health education program. At the end of two years, the incidence rates of important waterborne and foodborne diseases in these villages were compared with those in two similar control villages without any education program. Which of the following study designs most appropriately characterizes this situation?
A) Cross-sectional study
B) Case-control study
C) Prospective cohort study
D) Historical prospective cohort study
E) Clinical trial
F) Community trial

Question

Quizplus · Accepted Answer

This scenario describes a community trial, where an intervention (health education program) is applied to entire communities (villages) and the outcomes (incidence rates of diseases) are compared with control communities.

To Test the Efficacy of a Health Education Program in Reducing