The sampling frame for this scenario is contact information from the 2010 census . In the sample of 2,550 US adults, 28.2 % were obese. In the sample of 650 individuals from the West, 24.92 % were classified as obese. The region which included the fewest number of obese individuals was the Northeast , while the South region had the most obese individuals. 16.55% of obese individuals were from the Northeast; while [ Select ] % of obese individuals were from the Midwest