TABLE 1.

Vital Status and Total Contributed Person-Years at Risk at End of Follow-Up^a

Exposure Categories	Deceased (N)	Person-Years at Risk
Postpartum-onset mothers	96	33,891
Non-postpartum-onset mothers	5,475	2,324,419
Non-postpartum-onset nonmothers	3,531	929,621
Mothers with no psychiatric history	15,244	37,881,122
Nonmothers with no psychiatric history	9,049	27,304,371
Charlson comorbidity index
Charlson score of 0b	11,423	64,389,832
Charlson score ≥1c	21,972	4,083,593
Family history of mental illness
Negative family historyd	29,070	61,056,776
Positive family historye	4,325	7,416,649
Alcohol or substance abuse
Negative historyf	26,379	67,254,815
Positive historyg	7,016	1,218,610

^aFull definitions of categories are provided in text.

^bWomen without medical comorbidities as defined by the absence of a Charlson comorbidity index.

^cWomen with medical comorbidities as defined by the presence of a minimum score of 1 on the Charlson comorbidity index.

^dWomen with a mother and father without inpatient or outpatient contact with a psychiatric facility.

^eWomen with a mother and/or father with at least one inpatient or outpatient contact with a psychiatric facility.

^fWomen without a diagnosis of alcohol or substance abuse.

^gWomen with at least one diagnosis of alcohol or substance abuse, or with a diagnosis of somatic complications caused by alcohol or substance abuse.