Table 2 Multinomial logistic regression model for vitamin D deficiency among pregnant of Shanghai in China (n = 953)
From: Vitamin D status and vitamin D deficiency risk factors among pregnancy of Shanghai in China
Variable/group | n | OR | 95% CI | P value |
|---|---|---|---|---|
Age (years) | ||||
  < 30 | 591 | ref |  |  |
  ≥ 30 | 362 | 3.5 | 2–4 | 0.02 |
Parity | ||||
  < 2 | 921 | ref |  |  |
  ≥ 2 | 32 | 2.8 | 2–5 | 0.03 |
Pre-pregnancy BMI (kg/m2) | ||||
 Underweight | 119 | 1.1 | 1–2 | 0.41 |
 Normal | 623 | ref |  |  |
 Overweight | 162 | 2.1 | 2–5 | 0.03 |
 Obese | 49 | 2.2 | 2–5 | 0.02 |
Gestational Hyperlipemia | ||||
 No | 931 | ref |  |  |
 Yes | 22 | 1.5 | 1–2 | 0.04 |