Inclusive RCTs | Population | Sample size | Ages (years) | Intervention measures | Intervention duration (years) | Dose (mg) | Percentage of lost visits (%) | Outcome indicators | ||
---|---|---|---|---|---|---|---|---|---|---|
Control group | Intervention group | I | C | |||||||
Cheng 2005 |
Healthy children | 41 | 39 | 10–12 | Calcium | Placebo | 2 | 1000 | 18.7 | Whole-body BMD |
Anuradha 2012 |
Healthy children | 70 | 69 | 8–12 | Calcium | Multivitamin tablets | 1 | 500 | 1.8 | Whole-body BMD |
Lambert 2008 |
Healthy children | 37 | 36 | 11–12 | Calcium fortified fruit drinks | Regular fruit drinks | 1 | 792 | 7.2 | Whole-body and 2nd–4th lumbar vertebrae BMD |
Bonjour 2001 |
Healthy children | 62 | 54 | 7–9.3 | Calcium | Placebo | 3–5 | 850 | 24.1 | 2nd–4th lumbar vertebrae BMD |