Figure. Body mass index (BMI) (calculated as weight in kilograms divided by the square of height in meters) and poverty-income ratio (PIR) for non-Hispanic white women (A) and men (B), non-Hispanic black women (C) and men (D), and Mexican American women (E) and men (F). Data are age adjusted; graphs display predicted BMI values at the age of 40 years. The period for National Health and Nutrition Examination Survey (NHANES) I was from 1971 to 1974; II, 1976 to 1980; III, 1988 to 1994; and continuous NHANES, 1999 to 2002.