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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