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Table 3 Associations between pre-pregnancy BMI categories and PPD at 6–8 weeks postpartum (n = 1583)

From: Evaluation of antenatal risk factors for postpartum depression: a secondary cohort analysis of the cluster-randomised GeliS trial

Model BMI categories OR 95% CI
1 Normal weight   1.00 (Ref)
Overweight 1.72 1.15–2.57**
Obesity 1.91 1.16–3.14*
2 Normal weight   1.00 (Ref)
Overweight 1.73 1.15–2.59**
Obesity 1.83 1.10–3.03)*
3 Normal weight   1.00 (Ref)
Overweight 1.78 1.18–2.70**
Obesity 1.80 1.07–3.05*
4 Normal weight   1.00 (Ref)
Overweight 1.72 1.13–2.62*
Obesity 1.76 1.04–2.99*
  1. Depicted are odds ratios (ORs) along with the 95% confidence intervals (CIs) estimated by multivariable logistic regression models
  2. Abbreviations: BMI body mass index, GWG gestational weight gain (as defined by the IOM), Ref reference category
  3. Model 1: adjusted for age and group allocation
  4. Model 2: model 1 + marital status, educational level, and parity
  5. Model 3: model 2 + smoking status, alcohol intake, low level of physical activity assessed by the Pregnancy Physical Activity Questionnaire (PPAQ), and gestational diabetes mellitus
  6. Model 4: model 3 + antenatal history of anxiety/depressive symptoms during early pregnancy assessed by the Patient Health Questionnaire for Depression and Anxiety (PHQ)-4
  7. *p < 0.05, **p < 0.01, ***p < .0001
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