Table 4.
Variable | B | SE | Hazard ratio | 95% CI | p-value |
---|---|---|---|---|---|
Age at index PP episode (years) | 0.10 | 0.2 | 1.10 | 1.05–1.15 | 0.01 |
Experienced psychiatric illness prior to index PP (yes) | 0.81 | 0.25 | 2.24 | 1.39–3.61 | 0.01 |
Had a family history of a mood disorder (yes) | 0.55 | 0.27 | 1.73 | 1.03–2.91 | 0.04 |
Had a female relative with postpartum illness (yes) | 0.68 | 0.38 | 1.97 | 0.93–4.17 | 0.07 |
Clinical presentation of index PP (mania or mixed) | 0.22 | 0.36 | 1.25 | 0.62–2.51 | 0.54 |
Perplexity or confusion was present in index PP (yes) | 0.08 | 0.24 | 1.08 | 0.68–1.71 | 0.75 |
Suicidal behaviors were present in index PP (yes) | 0.18 | 0.24 | 1.20 | 0.75–1.92 | 0.45 |
Involuntarily detained for index PP (yes) | 0.22 | 0.26 | 1.25 | 0.75–2.07 | 0.39 |
PP = postpartum psychosis; SE = standard error; CI = confidence interval.