• Bone mineral content was determined in 131 children, 1 to 6 years of age, in a prospectively designed cross-sectional study. Using multiple linear regression analysis to control for individual factors, bone mineral content was higher in black children compared with white children, was lower among female children compared with male children, increased with age, and increased with weight.
Li J, Specker BL, Ho ML, Tsang RC. Bone Mineral Content in Black and White Children 1 to 6 Years of AgeEarly Appearance of Race and Sex Differences. Am J Dis Child. 1989;143(11):1346–1349. doi:10.1001/archpedi.1989.02150230104034