TABLE 5.

Short- and Long-Term Mortality Rate Ratios (MRRs) of Suicides (Model 1) and of Combined Suicides and Accidents (Model 2) in Women With Postpartum Psychiatric Disorders and in Four Comparison Groups

	Model 1 (suicides)a			Model 2 (suicides and accidents)b
Exposure Categories	N	MRR	95% CI	N	MRR	95% CI
Short-term risk: ≤ 1 year after diagnosis of postpartum psychiatric disorderc	8	289.42	144.02–581.62	– d	83.60	43.42–160.97
Long-term risk: > 1 year after diagnosis of postpartum psychiatric disordere	21	39.97	25.90–61.70	30	15.88	11.08–22.77
Short-term risk: ≤ 1 year after diagnosis in non-postpartum-onset mothersf	152	120.62	105.24–138.26	196	41.15	36.91–45.87
Long-term risk: > 1 year after diagnosis in non-postpartum-onset mothersg	651	29.14	26.52–32.02	1,305	15.78	14.89–16.73
Short-term risk: ≤ 1 year after diagnosis in non-postpartum-onset nonmothersh	175	228.91	192.37–272.40	222	60.13	52.08–69.42
Long-term risk: > 1 year after diagnosis in non-postpartum-onset nonmothersi	639	69.27	62.11–77.25	1,087	29.56	27.45–31.85
Mothers with no psychiatric history	390	1.00	Reference	1,272	1.00	Reference
Nonmothers with no psychiatric history	483	1.90	1.67–2.17	2,192	1.99	1.85–2.14

^aAdjusted for calendar time, family history of mental illness, and medical comorbidity (Charlson comorbidity index). Suicides defined by the following diagnostic codes: ICD-10: X60–X84; ICD-8: E950–E959.

^bAdjusted for calendar time, family history of mental illness, and medical comorbidity (Charlson comorbidity index). Suicides and accidents defined by the following diagnostic codes: ICD-10: X60–X84; V01–X59, Y10–Y86, Y87.2, Y88–Y89; ICD-8: E950–E959; 810–823, 800–807, 825–949.

^cThe first 12 months after any first contact with a psychiatric inpatient or outpatient facility within the first 90 postpartum days.

^dTo adhere to Danish data regulations and to protect anonymity of individuals, the exact number of cases cannot be provided in this category.

^eThe remaining follow-up time for women with any first contact with a psychiatric inpatient or outpatient facility within the first 90 postpartum days.

^fThe first 12 months after any first contact with a psychiatric inpatient or outpatient facility unrelated to the postpartum period, and a record of childbirth.

^gThe remaining follow-up time for women with any first contact with a psychiatric inpatient or outpatient facility unrelated to the postpartum period, and a record of childbirth.

^hThe first 12 months after any first contact with a psychiatric inpatient or outpatient facility, and no record of childbirth.

ⁱThe remaining follow-up time for women with any first contact with a psychiatric inpatient or outpatient facility, and no record of childbirth.