Crude and adjusted coefficients of the association between breastfeeding variables and whole body bone mineral content (BMC) at 18 and 30 years for men and women.

β, regression coefficient. 95%CI, 95% confidence interval; p-value: Wald’s test for heterogeneity1Adjusted for maternal education, maternal age, family income, maternal smoking during pregnancy, gestational age, birth weight, z-score of height-for-age at 24 months, maternal skin color, parity and total physical activity, weight and height at 30 years;2Adjusted for maternal education, maternal age, family income, maternal smoking during pregnancy, gestational age, birth weight, z-score of height-for-age at 12 months, maternal skin color, parity and total physical activity, calcium intake, weight and height at 18 yearsThe 1982 and 1993 Pelotas Birth Cohorts. Brazil.