a. CAMP population
P values were obtained from regression analysis adjusted by age, sex, height, BMD Z-score, height, Tanner stage, and vitamin D level measured at baseline. Data represent median (IQR). Ref. allele; reference (major) allele, Var. allele; variant (minor) allele
b. ALL population
Ref. allele; reference (major) allele, Var. allele; variant (minor) allele