Table 2 Association between pre-pregnancy BMI and macrosomia according to logistic regression analysis
From: Differential effect of pre-pregnancy low BMI on fetal macrosomia: a population-based cohort study
Variable | Odds ratios (95%CI) | |||
|---|---|---|---|---|
BMI < 18.5kg/m2 | 18.5 kg/m2 ≤ BMI ≤ 24.9 kg/m2 | 25.0 kg/m2 ≤ BMI ≤ 29.9 kg/m2 | BMI ≥ 30.0 kg/m2 | |
Nullipara | ||||
 Overall | 0.47 (0.42–0.53) | 1.00 | 1.93 (1.80–2.08) | 2.31 (2.03–2.63) |
 GDM status | ||||
  Non-GDM | 0.47 (0.42–0.53) | 1.00 | 1.92 (1.77–2.08) | 2.17 (1.87–2.53) |
  GDM | 0.48 (0.33–0.70) | 1.00 | 2.02 (1.71–2.39) | 2.81 (2.17–3.65) |
 Maternal age, years | ||||
  20–24 | 0.64 (0.52–0.79) | 1.00 | 2.22 (1.89–2.61) | 2.14 (1.60–2.86) |
  25–29 | 0.44 (0.37–0.53) | 1.00 | 1.95 (1.75–2.17) | 2.40 (1.97–2.92) |
  30–34 | 0.39 (0.29–0.51) | 1.00 | 1.71 (1.48–1.97) | 2.35 (1.84–3.00) |
  ≥35 | 0.16 (0.05–0.49) | 1.00 | 1.98 (1.56–2.52) | 2.10 (1.33–3.34) |
 Fetal sex | ||||
  Male | 0.49 (0.42–0.57) | 1.00 | 1.81 (1.64–1.99) | 2.01 (1.68–2.39) |
  Female | 0.45 (0.37–0.54) | 1.00 | 2.13 (1.91–2.39) | 2.80 (2.30–3.39) |
Multipara | ||||
 Overall | 0.45 (0.39–0.52) | 1.00 | 1.81 (1.71–1.93) | 2.00 (1.80–2.23) |
 GDM status | ||||
  Without GDM | 0.43 (0.36–0.51) | 1.00 | 1.76 (1.64–1.89) | 1.86 (1.63–2.13) |
  Current GDM only | 0.49 (0.30–0.79) | 1.00 | 1.84 (1.59–2.14) | 2.04 (1.60–2.59) |
  Previous GDM only | 0.81 (0.43–1.52) | 1.00 | 2.14 (1.58–2.89) | 2.43 (1.39–4.24) |
  Current and previous GDM | 0.41 (0.16–1.04) | 1.00 | 2.22 (1.73–2.86) | 3.20 (2.18–4.72) |
 Maternal age, years | ||||
  20–24 | 0.17 (0.05–0.55) | 1.00 | 1.67 (1.04–2.69) | 1.49 (0.68–3.23) |
  25–29 | 0.46 (0.35–0.61) | 1.00 | 1.84 (1.60–2.11) | 2.25 (1.79–2.82) |
  30–34 | 0.45 (0.36–0.56) | 1.00 | 1.96 (1.79–2.14) | 2.14 (1.82–2.51) |
  ≥35 | 0.54 (0.37–0.77) | 1.00 | 1.60 (1.44–1.78) | 1.68 (1.37–2.06) |
 Fetal sex | ||||
  Male | 0.44 (0.37–0.53) | 1.00 | 1.77 (1.63–1.91) | 1.82 (1.58–2.10) |
  Female | 0.47 (0.36–0.60) | 1.00 | 1.87 (1.70–2.06) | 2.28 (1.92–2.69) |