2. The study involved n=4,928 children between the ages of4 and I7 years; n=|,441 were non-Hispanic whites, n=l .787 were African-American, and n=l .700 were Mexican- American. Study investigators examined associations between race/ethnicity, body mass index, mother's body mass index, poverty income ratio (a ratio of the family income to the poverty threshold for a family of the same size), and hemoglobin A] c using multivariable linear regression analysis in different age groups and also among boys and girls of different ages. The estimated multivariable linear regression models predicting hemoglobin Ale as a function of sex. racefethnicity. body mass index, mother's body mass index, and poveny income ratio in children 45 years of age, 69 years of age, 10 14 years of age, and 1517 years of age, considered separately, are summarized below. Ae _rou Predictors 4-5 6-9 10-14 15-17 Male 41035 -0.029 -0.036 -0.128* Non-Hisanic white (reference) ____ African American Mexican American Bod Mass Index. a rmz Mother's bod mass index, k, 1112 Povert income ratio mum-m- *P