Effects of school-milk intervention on growth and bone mineral accretion in Chinese girls aged 10–12 years: accounting for cluster randomisation

Effects of school-milk intervention on growth and bone mineral accretion in Chinese girls aged 10 -12 years: accounting for cluster randomisation Milk þ Ca, milk with Ca; milk þ Ca þ vitD, milk with Ca and vitamin D; ICC, intra-cluster correlation coefficient; BMC, bone mineral content; BA, bone area; BMD, bone mineral density.* For analysis at individual level, n 207, n 111 (milk þ Ca); n 240, n 113 (milk þ Ca þ vitD); n 234, n 122 (control) for anthropometry and bone measures, respectively.For analysis at cluster level, three per group.† Analyses were made by linear mixed model.For size-adjusted BMC, adjusted for baseline value, BA, height, weight, menarcheal status at 24 months and clustering by school; for all other variables, adjusted for baseline value and clustering by school.