25(OH)D status | Risk of GDM | |||
---|---|---|---|---|
 | Crude RR (95%CI) | P-value | Adjusted RR a (95%CI) | P-value |
All participants | Â | Â | Â | Â |
Sufficiency (≥ 30 ng/mL) | 1.00 |  | 1.00 |  |
Insufficiency (20–30 ng/mL) | 1.98 (1.37, 2.87) | < 0.001 | 1.85 (1.28, 2.67) | 0.001 |
Deficiency (< 20 ng/mL) | 1.44 (0.91, 2.27) | 0.119 | 1.37 (0.88, 2.14) | 0.168 |
Overweight participants | Â | Â | Â | Â |
Sufficiency (≥ 30 ng/mL) | 1.00 |  | 1.00 |  |
Insufficiency (20–30 ng/mL) | 3.23 (1.55, 6.70) | 0.002 | 3.55 (1.75, 7.20) | 0.001 |
Deficiency (< 20 ng/mL) | 2.36 (0.95, 5.86) | 0.065 | 2.38 (1.03, 5.53) | 0.043 |
Non-overweight participants | Â | Â | Â | Â |
Sufficiency (≥ 30 ng/mL) | 1.00 |  | 1.00 |  |
Insufficiency (20–30 ng/mL) | 1.60 (1.01, 2.53) | 0.043 | 1.47 (0.92, 2.36) | 0.106 |
Deficiency (< 20 ng/mL) | 1.26 (0.74, 2.15) | 0.392 | 1.21 (0.72, 2.04) | 0.472 |
Participants ≥ 35 years |  |  |  |  |
Sufficiency (≥ 30 ng/mL) | 1.00 |  | 1.00 |  |
Insufficiency (20–30 ng/mL) | 3.06 (1.41, 6.65) | 0.005 | 2.88 (1.25, 6.61) | 0.013 |
Deficiency (< 20 ng/mL) | 1.70 (0.56, 5.13) | 0.346 | 1.67 (0.53, 5.26) | 0.378 |
Participants < 35 years |  |  |  |  |
Sufficiency (≥ 30 ng/mL) | 1.00 |  | 1.00 |  |
Insufficiency (20–30 ng/mL) | 1.72 (1.15, 2.65) | 0.012 | 1.67 (1.09, 2.56) | 0.018 |
Deficiency (< 20 ng/mL) | 1.39 (0.84, 2.30) | 0.194 | 1.34 (0.82, 2.18) | 0.246 |