Estimated prevalence rates of BMI categories by age and SES groups.

(A) Not overweight, lower SES; (B) not overweight, middle SES; (C) not overweight, higher SES; (D) overweight, lower SES; (E) overweight, middle SES; (F) overweight, higher SES; (G) obese, lower SES; (H) obese, middle SES; and (I) obese, higher SES. Blue = 2005; Green = 2010; Red = 2020; Orange = 2030.