Selected characteristics of the study population and results of univariate and multivariate analyses relating several variables to BMI.

aN = 496 subjects after exclusion of participants with missing data.
bThe mean and standard deviation (SD) of BMI of the sample is 19.45±3.4.
creferred to the age of 10 years.
dthe number that do not add to 542 are due to missing data for the variable.
ereferred to the parental education of 13 years.
freferred to birth weight ≥4 kilograms.
greferred to recommended daily servings.