As an epidemiologist you request and succeeded in getting a small amount of funds to conduct an epidemiological study to test the above hypothesis. How would you design this study?

The mayor of your city wants to allocate funds to open several curbside healthy food markets/ farmers markets based on the hypothesis that people who utilize curbside healthy food markets/farmers markets regularly (defined as once a week) for their groceries have healthier weight and are likely to control of their weight as compared to people […]