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 5 Associations of BMI with antenatal anxiety, with interaction model between White British and South Asian women

Anxiety	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	1.18 (0.69–2.01)
Underweight	0.80 (0.52–1.22)	0.75 (0.48–1.17)	0.80 (0.52–1.22)	0.82 (0.61–1.09)	1.23 (0.60–2.52)
Overweight	1.21 (1.03–1.42)*	1.25 (1.05–1.47)**	1.09 (0.94–1.27)	1.06 (0.91–1.24)	1.05 (0.0–1.79)
Obese	1.18 (1.00–1.39)*	1.13 (0.95–1.35)	1.13 (0.97–1.31)	1.13 (0.96–1.33)	1.04 (0.85–1.29)
Class 1	1.13 (0.92–1.38)	1.09 (0.88–1.35)	1.13 (0.95–1.34)	1.15 (0.96–1.38)	1.28 (0.73–2.23)
Class 2	1.17 (0.90–1.52)	1.13 (0.85–1.49)	1.13 (0.89–1.44)	1.09 (0.84–1.40)	1.17 (0.63–2.15)
Class 3	1.43 (0.99–2.04)	1.29 (0.89–1.88)	1.11 (0.78–1.58)	1.10 (0.75–1.62)	–

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)
**Significant at 0.01 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