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Table 4 Relationship of preBMI, AC, or ACHtR with gestational diabetes mellitus

From: Prediction of gestational diabetes mellitus by different obesity indices

Variables GDM/Total (%) Model 1 Model 2
OR(95%CI) P OR(95%CI) P
PreBMIa   1.13(1.12–1.15)  < 0.001 1.13 (1.12–1.15)  < 0.001
 < 18.5 164/2021 (8.1) 0.82(0.69–1.98) 0.027 0.99(0.83–1.20) 0.987
 ≥ 18.5 to < 24.0 1104/10382 (10.6) 1   1  
 ≥ 24.0 to < 28.0 472/2456 (19.2) 1.87(1.66–2.10)  < 0.001 1.42 (1.22–1.65)  < 0.001
 ≥ 28.0 172/613 (28.1) 3.06 (2.53–3.70)  < 0.001 1.86 (1.45–2.38)  < 0.001
AC b (cm)   1.04 (1.03–1.05)  < 0.001 1.04 (1.04–1.05)  < 0.001
Q1 (< 74.0) 211/3270 (6.5) 0.58(0.50–0.68)  < 0.001 0.57(0.49–0.66)  < 0.001
Q2/Q3 (74.0–86.0) 1015/8687 (11.7) 1   1  < 0.001
Q4 (> 86.0) 686/3515 (19.5) 1.70(1.53–1.90)  < 0.001 1.72(1.54–1.91)  < 0.001
ACHtR   1.07 (1.06–1.07)*  < 0.001 N/A  
Q1 (< 0.46) 253/3985 (6.3) 0.56(0.48–0.64)  < 0.001 N/A  
Q2/Q3 (0.46–0.53) 929/7776 (11.9) 1   N/A  
Q4 (> 0.53) 730/3711 (19.7) 1.68(1.51–1.90)  < 0.001 N/A  
  1. Logistic regression analysis of ACHtR, AC, or preBMI with confounders of gestational diabetes mellitus; preBMI prepregnancy Body mass index, AC: Abdominal circumference, ACHtR Abdominal circumference/height ratio, CI Confidence interval, OR Odds ratio, N/A Not applicable
  2. Model 1 adjusted for age, gravidity and parity
  3. aModel 2 as Model 1 plus AC
  4. bModel 2 as Model 1 plus height
  5. *Based on percentile of abdominal circumference/height ratio