Table 1 Comparison between postpartum and non-postpartum bipolar patients (N = 123)
From: Influence of postpartum onset on the course of mood disorders
| Â | Postpartum (N = 22) | Non-postpartum (N = 101) | Statistical Analyses | |
|---|---|---|---|---|
Age (years) | 44.4 ± 12.4 | 41.7 ± 13.7 | t = 0.89 | p = 0.372 |
Marital status (Single/Married) 1 | 1/21 | 36/60 | X2 = 9.0 | p = 0.002* |
Education (years) | 9.5 ± 3.0 | 10.4 ± 4.3 | t = 1.16 | p = 0.251 |
Workers for pay (Yes/No) 2 | 9/13 | 56/39 | X2 = 2.3 | p = 0.125 |
Personality disorders (Yes/No) 3 | 9/4 | 43/28 | X2 = 0.3 | p = 0.554 |
Age of onset (years) | 27.2 ± 6.5 | 27.6 ± 7.5 | t = 0.25 | p = 0.800 |
Polarity at onset (excited/depressive) | 5/17 | 35/66 | X2 = 1.2 | p = 0.279 |
Length of illness (years) | 17.2 ± 11.2 | 13.9 ± 11.5 | t = 1.22 | p = 0.225 |
Familiarity (0 to 3) | 1.00 ± 0.56 | 1.10 ± 0.85 | t = 0.38 | p = 0.379 |
Psychotic symptoms (Yes/No) | 14/8 | 82/19 | X2 = 3.2 | p = 0.071 |
Maintenance (0 to 2) | 0.95 ± 0.94 | 1.33 ± 0.91 | t = 1.73 | p = 0.086 |
Any polarity episodes (total number) | 6.00 ± 3.6 | 5.96 ± 3.4 | t = 0.05 | p = 0.961 |
Any polarity episodes (number/year) | 0.50 ± 0.34 | 0.81 ± 0.80 | t = 2.85 | p = 0.005* |
Excited episodes (number/year) | 0.21 ± 0.26 | 0.42 ± 0.45 | t = 2.89 | p = 0.005* |
Depressive episodes (number/year) | 0.29 ± 0.21 | 0.39 ± 0.51 | t = 1.48 | p = 0.141 |