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

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

Depression	White British		South Asian		Interaction AOR^a 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)	–

OR odds ratio
AOR adjusted odds ratio
CI Confidence Interval
WB White British
⁺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)
-Insufficient data to run the model
^aAdjusted for maternal age, maternal education, area of residence deprivation and maternal smoking

ISSN: 1471-2393