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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  
  1. Adjust model: Adjusted for age, pre-pregnancy BMI, parity, TCh, HDL, LDL and triglycerides