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Table 4 Associations of BMI with antenatal depression, with interaction model between White British and South Asian women

From: Antenatal depression and anxiety and early pregnancy BMI among White British and South Asian women: retrospective analysis of data from the Born in Bradford cohort

Depression White British South Asian Interaction AORa
WB = reference
BMI categories+ Unadjusted OR (95% CI) AOR (95% CI)a Unadjusted OR (95% CI) AOR (95% CI)a  
Recommended weight Reference group Reference group Reference group Reference group 0.79 (0.46–1.37)
Underweight 1.16 (0.76–1.78) 0.98 (0.63–1.54) 0.92 (0.70–1.22) 0.87 (0.65–1.16) 0.66 (0.32–1.37)
Overweight 0.97 (0.82–1.14) 1.00 (0.84–1.20) 1.17 (1.00–1.36)* 1.16 (0.99–1.36) 0.95 (0.55–1.65)
Obese 1.05 (0.89–1.25) 1.05 (0.87–1.26) 1.10 (0.94–1.28) 1.13 (0.96–1.33) 1.10 (0.71–1.71)
Class 1 0.97 (0.79–1.20) 1.00 (0.80–1.25) 1.11 (0.93–1.32) 1.15 (0.96–1.38) 0.93 (0.52–1.64)
Class 2 1.22 (0.93–1.59) 1.16 (0.87–1.56) 1.01 (0.79–1.29) 1.01 (0.78–1.30) 0.68 (0.36–1.28)
Class 3 1.07 (0.74–1.55) 1.01 (0.68–1.51) 1.20 (0.91–1.86) 1.32 (0.90–1.94)
  1. OR odds ratio
  2. AOR adjusted odds ratio
  3. CI Confidence Interval
  4. WB White British
  5. +White British BMI categories: Underweight, < 18.5 kg/m2; recommended weight, 18.5–24.9 kg/m2; overweight, 25–29.9 kg/m2; obese, ≥30 kg/m2; obese class 1, 30.0–34.9 kg/m2; obese class 2, 35.0–39.9 kg/m2; obese class 3, ≥40.0 kg/m2 South Asian BMI categories: underweight, < 18.5 kg/m2; recommended weight, 18.5–22.9 kg/m2; overweight, 23–27.49 kg/m2; obese, ≥27.5 kg/m2; obese class 1, 27.5–32.49 kg/m2, obese class 2, 32.5–37.49 kg/m2, obese class 3, ≥37.5 kg/m2*Significant at 0.05 significance level (two-tailed)
  6. -Insufficient data to run the model
  7. aAdjusted for maternal age, maternal education, area of residence deprivation and maternal smoking