As part of an outbreak investigation linked to a gathering as part of a Universi

Question

As part of an outbreak investigation linked to a gathering as part of a University Homecoming, a questionnaire was administered to the persons who attended the social event at an University Homecoming. Information to identify cases of gastrointestinal illness during the week following the event and food consumption during the event was collected from 105 participants out of approximate 350 total participants. The two-by-two table shown below summarizes the relation between consumption of potato salad and gastrointestinal illness Potato Salad Yes No Total Total 90 15 105 Well 57 How would you best describe 60 45 the type of epidemiologic study design? Cross-sectional study Experimental Study Cohort Study Case-Control Study

Explanation / Answer

cohort study

The association between the consumption of potato salad and gastrointestinal illness can be established by cohort study.

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