Mean difference in BMI z-score at about 13 years of age by non-milk dairy products and milk consumption in 5,968 adolescents from Hong Kong’s “Children of 1997” birth cohort (multiple imputation).

aModel 1 adjusted for sex, BMI z-score at 11 years, birth order and maternal age.bModel 2 additionally adjusted for mother’s birthplace, highest parental education, interaction of mother’s birthplace and education.cModel 3 additionally adjusted for physical activity, vegetable, fruit and soft drink consumption.dMean difference in BMI z-score: at age of 13.0 years, 1 unit of change in BMI z-score is approximated to 2.9 kg/m2.CI = confidence interval.