Skip to main content

Table 1 Comparison between postpartum and non-postpartum bipolar patients (N = 123)

From: Influence of postpartum onset on the course of mood disorders

  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
  1. *Significant p < 0.05. 1assessed in 118 patients; 2assessed in 117 patients; 3assessed in 84 patients