Table 3 Multinomial logistic regression model for the effects of 25(OH)D on the occurrence of gestational diabetes mellitus among pregnant of Shanghai in China (n = 953)
From: Vitamin D status and vitamin D deficiency risk factors among pregnancy of Shanghai in China
Clinical cutoffs | Incidence n (%) | Non-adjusted OR (95% CI) | P value | Adjust model OR (95% CI) | P value |
|---|---|---|---|---|---|
 < 12(ng/mL) | 22 (2.3%) | 11.2 (3–18) | 0.001 | 11 (3–17) | 0.001 |
12–19 (ng/mL) | 18 (1.9%) | 9.2 (2–19) | 0.001 | 8.6 (2–19) | 0.003 |
20–29 (ng/mL) | 14 (1.5%) | 7.1 (2–11) | 0.003 | 7.5 (2–21) | 0.010 |
 ≥ 30 (ng/mL) | 2 (0.2%) | ref |  | ref |  |