Problem: A disease control team from an urban health department is reviewing all of their surveillance on reportable diseases such as HIV/AIDS, West Nile, sexually transmitted diseases, food-borne diseases, influenza, etc. They want to compare their statistics with other counties within the state and nation. A local coalition is concerned with the apparent problem of obesity among adults in their community. They would like to plan some interventions, but first must assess the burden of obesity (prevalence of obesity, age distribution, prevalence, incidence of associated health conditions) to assure that there truly is a need and to appropriately target interventions.