Table 2.
Maternal characteristics overall and by antenatal depression status by weighted percentages
| Overall N=462 N (%) |
Antenatal depression N=72 N (%) |
No antenatal depression N=390 N (%) |
p-value | |
|---|---|---|---|---|
| Maternal age <25 years | 52/462 (11.9) | 9/72 (15.7) | 43/390 (11.3) | 0.71 |
| Non-white race | 191/462 (40.7) | 23/72 (33.8) | 168/390 (41.8) | 0.07 |
| Parity ≥1 | 258/462 (55.4) | 44/72 (61.5) | 214/390 (54.4) | 0.32 |
| College graduate | 179/453 (39.5) | 16/71 (22.5) | 163/382 (42.7) | 0.001 |
| Public insurance | 90/452 (19.9) | 23/70 (32.9) | 67/382 (17.5) | 0.003 |
| Obese (Body mass index>30 kg/m2) | 87/454 (18.1) | 24/71 (34.8) | 63/383 (15.4) | 0.001 |
| History of PTB <37 weeks among parous women | 50/251 (19.9) | 13/43 (30.2) | 37/208 (17.8) | 0.06 |
| PTB<37 weeks in current pregnancy | 125/461 (12.2) | 30/72 (21.0) | 95/389 (10.8) | 0.002 |
| SPTB <37 weeks in current pregnancy | 69/461 (6.7) | 16/72 (11.2) | 53/389 (6.0) | 0.06 |
| History of depression before pregnancy | 63/462 (11.7) | 36/72 (47.6) | 27/390 (5.9) | <0.001 |
| Antidepressant medication use during current pregnancy | 48/462 (8.9) | 48/72 (64.3) | -- | -- |
We present weighted percentages for all frequencies based on inverse probability weighting (i.e. the probability of selection from the parent study) as outlined in the methods.
*
Student’s t-test was used to compare continuous variables and chi-squared test for categorical variables by depression status.