Table 2.
Infant demographic and birth outcome measures by diagnostic group
| Diagnostic group |
Analyses |
|||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Measure | All (N = 192) | HC (n = 62) | BD (n = 50) | PRI-MDD (n = 41) | CURR-MDD (n = 39) | Test statistic | df | p-value | HC vs. BD | HC vs. PRI-MDD | HC vs. CURR-MDD | BD vs. PRI-MDD | BD vs. CURR-MDD | PRI-MDD vs. CURR-MDD |
| Pre-term, n (%) | 23 (12.0) | 4 (6.5) | 7 (14.0) | 6 (14.6) | 6 (15.4) | p = 0.003 | 0.389 | |||||||
| Sex, n (%) | χ 2 = 8.74 | 3 | 0.033 | 0.114 | 0.097 | 0.004a | 0.875 | 0.164 | 0.235 | |||||
| Male | 95 (49.5) | 39 (62.9) | 24 (48.0) | 19 (46.3) | 13 (33.3) | |||||||||
| Female | 97 (50.5) | 23 (37.1) | 26 (52.0) | 22 (53.7) | 26 (66.7) | |||||||||
| Weight, g, mean ± SD | 3407 ± 615 | 3604 ± 555 | 3229 ± 569 | 3343 ± 667 | 3381 ± 645 | F = 3.74 | 3,182 | 0.012 | < 0.001a | 0.038 | 0.069 | 0.395 | 0.245 | 0.798 |
| PES Total, mean ± SD | 0.38 ± 0.76 | 0.31 ± 0.62 | 0.26 ± 0.57 | 0.60 ± 1.1 | 0.39 ± 0.68 | H = 0.42 | 3 | 0.417 | ||||||
| PES ≥ 1, n (%) | 49 (26.3) | 15 (24.6) | 9 (19.1) | 13 (32.5) | 12 (31.6) | χ 2 = 2.67 | 3 | 0.446 | ||||||
| PES ≥ 2, n (%) | 13 (7.0) | 3 (4.9) | 3 (6.4) | 5 (12.5) | 2 (5.3) | p = 0.008 | 0.522 | |||||||
SD = standard deviation; HC = healthy control; BD = bipolar disorder; PRI-MDD = prior major depressive disorder; CURR-MDD = current major depressive disorder; PES = peripartum events scale.
a
Significant after Bonferroni correction.