Skip to main content

Table 2 The association between 25(OH)D per 10 ng/mL and GDM according to baseline characteristics

From: Sufficience serum vitamin D before 20 weeks of pregnancy reduces the risk of gestational diabetes mellitus

Sub-group n OR 95% CI p value p value for interaction
Age 0.80
 < 30 5215 0.87 (0.77, 0.98) 0.03  
 ≥ 30 3253 0.90 (0.77, 1.06) 0.20  
BMI 0.95
 < 18.5 1426 0.84 (0.64, 1.10) 0.20  
 18.5–23 5270 0.91 (0.80, 1.04) 0.16  
 23–27.5 1503 0.90 (0.73, 1.09) 0.27  
 ≥ 27.5 269 0.84 (0.57, 1.22) 0.36  
Season 0.83
 Spring 1641 0.72 (0.51, 1.01) 0.06  
 Summer 2748 0.91 (0.81, 1.02) 0.36  
 Autumn 1709 0.88 (0.69, 1.12) 0.24  
 Winter 2370 0.74 (0.63, 0.87) < 0.001  
  1. BMI body mass index, PE preeclampsia, OR odds ratio