Table 2.
Demographic data and clinical variables in depressed and non-depressed women in the primary study population. Data expressed as mean ± SD or n (%).
| Variable | Depressed women n = 178 | Non-depressed women n = 3787 | P | |
|---|---|---|---|---|
| Age, years | 30.6 ± 5.0 | 31.5 ± 4.5 | 0.018 | |
| BMI, kg/m2 | <18.5 | 2 (1.1) | 66 (1.7) | 0.5 |
| 18.5–24.99 | 117 (65.7) | 2485 (65.6) | ||
| 25–29.99 | 41 (23.0) | 859 (22.7) | ||
| 30–34.99 | 9 (5.1) | 265 (7.0) | ||
| ≥35 | 9 (5.1) | 112 (3.0) | ||
| Smoking, n (%) | 9 (5.1) | 90 (2.4) | 0.025 | |
| Non-Nordic origin, n (%) | 25 (14.2) | 291 (7.8) | 0.002 | |
| Education ≤ 12 years, n (%) | 53 (30.3) | 770 (20.9) | 0.003 | |
| Single mothers | 10 (5.6) | 41 (1.1) | <0.001 | |
| First pregnancy, n (%) | 75 (42.1) | 1790 (47.3) | 0.2 | |
| Pregnancy complications | Gestational hypertension, n (%) | 4 (2.2) | 152 (4.0) | 0.3 |
| Gestational diabetes, n (%) | 0 | 15 (0.4) | 1.0 | |
| Preeclampsia, n (%) | 4 (2.2) | 120 (3.2) | 0.7 | |
| Gestational length (days) | 276 ± 14 | 279 ± 11 | 0.001 | |
| Birthweight (g) | 3509 ± 600 | 3600 ± 534 | 0.028 | |
| Birthweight (SDS) | 0.31 ± 1.00 | 0.31 ± 0.96 | 0.9 | |
| Small for gestational age | 0 | 30 (0.8) | 0.3 | |
| Large for gestational age | 11 (6.2) | 156 (4.1) | 0.2 |
Missing cases present in 1.0–3.8% of cases, percentages given in relation to available responses. Depressed women are defined as women with EPDS score ≥ 17 in either gestational week 17 or 32. BMI = Body Mass Index. Statistical analyses by independent t-tests or Chi-square tests.