Epidemiological studies are applicable to communicable and non-communicable diseases. Childhood obesity is an area that is receiving more attention in public health due to the multiple morbidities that emerge as a result of this condition. Below are links to a cross-sectional study and a case-control study. Imagine that you are interested in conducting a case-control or cross-sectional study proposal of childhood obesity vs. birth weight (prenatal and early life influences). Both articles below address prenatal influences on childhood obesity and birth weight using different approaches.
Article 1 -attached
1. How would you select cases and controls for this study and how would you define exposure and outcome variables for a case-control study design? What other factors would you control for?
2. How would you design a proposal measuring the effect of birthweight on childhood obesity for a cross-sectional study design? What other factors would you control for?