Number and percent of persons with ACIP-recognized chronic underlying medical conditions, by category of body mass index (BMI).

Note: Pregnant women and children <2 not included. BMI (kg/m2) categories for 2–19 year olds based on age- and sex-specific CDC 2000 growth charts: underweight<5th percentile, normal weight 5–84th percentile, overweight 59–94th percentile, obese ≥95th percentile. BMI (kg/m2) categories for ≥20 year olds: underweight<18.5, normal weight 18.5–24.9, overweight 25.0–29.9, obese 30.0–39.9, morbidly obese ≥40. * National Health and Nutrition Examination Survey (NHANES) 2003–2006. ** For this analysis ACIP-recognized chronic medical conditions include cardiovascular disease, pulmonary disease, liver condition, cancer, and diabetes. † Underweight, Normal, and overweight categories not separately defined for deaths. ‡ Row percent.