Identify the association between the risk factor and health outcome you selected, and suggest which observational study design you feel is most appropriate for examining that association.

•Identify the association between the risk factor and health outcome you selected, and suggest which observational study design you feel is most appropriate for examining that association.•Support your selection of the observational design, noting its strengths and limitations for addressing the health problem.•What might you be able to learn by using your selected study design that might lead to improvements in population health? Support your response with evidence from the literature.