Table 3.
Subgroup analysis of association between serum 25(OH)D3 and periodontal disease
| Serum 25(OH)D3 | Male | Female | Age <60 y | Age ≥60 y |
|---|---|---|---|---|
| Q1 | Reference | Reference | Reference | Reference |
| Q2, OR (95% CI) | 0.78 (0.6–0.91)* | 0.8 (0.63–0.93)* | 0.75 (0.6–0.93)* | 0.81 (0.58–0.93)* |
| Q3, OR (95% CI) | 0.92 (0.71–0.98)* | 0.82 (0.64–0.94)* | 0.8 (0.66–0.97)* | 0.95 (0.66–0.95)* |
| Q4, OR (95% CI) | 0.84 (0.64–0.91)* | 0.63 (0.46–0.87)* | 0.72 (0.56–0.92)* | 0.73 (0.5–0.96)* |
| P trend | <.05 | <.05 | <.05 | <.05 |
⁎
P < .05. The OR (95% CI) of reference is 1.