Table 2. Adjusted association between 25(OH)D and BMD.
| Variables | BMDa | Low BMDa | ||
|---|---|---|---|---|
| β (95% CI) | P | OR (95% CI) | P | |
| Lg 25(OH)D | 172.0 (142.8, 201.2) | < 0.001 | 0.197 (0.117, 0.331) | < 0.001 |
| 25(OH)D levels | ||||
| 25(OH)D (≥ 75 nmol/L) | 0.0 (ref) | 1.000 (ref) | ||
| Low 25(OH)D (< 50 nmol/L) | −52.3 (−64.0, −40.6) | < 0.001 | 1.648 (1.347, 2.017) | < 0.001 |
| Low 25(OH)D (< 75 nmol/L) | −40.2 (−51.8, −28.7) | < 0.001 | 1.424 (1.145, 1.769) | 0.001 |
a
Adjusted: gender, age, body mass index, gestational age and season, delivery mode, birth weight, feeding patterns, milk intake during pregnancy and for children, VD or calcium supplementation during pregnancy and for children, and time of outdoor activity during pregnancy and for children.