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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