Table 5 Logistic regression analysis of the association of vitamin D intervention methods with hypovitaminosis D in children with varying outdoor time
Intervention methods | Model 1 | Model 2 | Model 3 |
|---|---|---|---|
> 60 min/d | |||
 No intervention | 1 | 1 | 1 |
 Supplementation intervention | 0.508 (0.470, 0.549) | 0.508 (0.469, 0.549) | 0.508 (0.470, 0.550) |
 Therapeutic intervention | 0.196 (0.177, 0.216) | 0.196 (0.177, 0.216) | 0.196 (0.178, 0.216) |
30–60 min/d | |||
 No intervention | 1 | 1 | 1 |
 Supplementation intervention | 0.362 (0.332, 0.394) | 0.362 (0.332, 0.394) | 0.361 (0.332, 0.394) |
 Therapeutic intervention | 0.183 (0.164, 0.205) | 0.184 (0.164, 0.205) | 0.183 (0.164, 0.205) |
< 30 min/d | |||
 No intervention | 1 | 1 | 1 |
 Supplementation intervention | 0.376 (0.345, 0.411) | 0.377 (0.346, 0.411) | 0.377 (0.346, 0.411) |
 Therapeutic intervention | 0.176 (0.160, 0.194) | 0.174 (0.159, 0.192) | 0.174 (0.159, 0.192) |