Table 1.

Utilized Swedish national registers.

Source	Contained information	Use in study
National Patient Register	ICD diagnoses from all inpatient and outpatient specialist care after 2001; while only information on inpatient is available before this date. During our follow up period, two ICD revisions were used: the ICD-9 from 1987 until 1996 and the ICD-10 from January 1, 1997 and onwards	Determine all psychiatric and somatic illnesses
National Crime Register	All criminal convictions in the Swedish general court	Determine criminal convictions
Longitudinal Integration Database for Health Insurance and Labor Market Studies	Income, use of social services and benefits, and neighborhood quality	Determine poverty and neighborhood quality
Medical Birth Register	Information on birth, birthdate, and maternal prenatal period.	Identify cohort
Migration Register	Immigration and emigration to and from Sweden	Identify cohort and for censoring
Cause of Death Register	Date and cause of death	Identify cohort and for censoring