2. The study involved n=4,928 children between the ages of 4 and 17 years; n=1,441 were non-Hispanic whites, n=1,787 were African-American, and n=1,700 were Mexican-
2. The study involved n=4,928 children between the ages of 4 and 17 years; n=1,441 were non-Hispanic whites, n=1,787 were African-American, and n=1,700 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 Alc 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 Alc as a function of sex, race/ethnicity, body mass index, mother's body mass index, and poverty income ratio in children 4-5 years of age, 6-9 years of age, 10-14 years of age, and 15-17 years of age, considered separately, are summarized below. Age group Predictors 4-5 years 6-9 years 10-14 years 15-17 years Sex (1-female, 0-male) -0.035 -0.029 -0.036 -0.128 Non-Hispanic white (reference) African-American 0.163 0.232 0.195 0.172 Mexican-American 0.009 0.059 0.060 0.090 Body mass index, kg/m? 0.006 -0.002 0.005 0.003 Mother's body mass index, kg/m? -0.002 0.004 0.0003 0.006 Poverty income ratio -0.011 -0.001 -0.013 -0.001 *p
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