Sources of the determinants that were studied
| Determinant | Informant | Year of recording | Source of information |
|---|---|---|---|
| Parental SES: occupation of head of household | Head of household | 1985 | National census |
| Maternal country of birth | Mother | 1985 | National census |
| Family situation; single or two parent household, recent divorce, or recent death of parent | Head of household | 1985 and 1990 | National census and Cause of Death Register |
| Parental hospital admission for psychiatric, alcohol or drug abuse diagnoses | Mother and father | 1987–1990 | Swedish Hospital Discharge Register |
| Parent sentenced to jail | Mother and father | 1973–1993 | National Register of Court Statistics |
| Population density at residency | – | 1990 | National census |
| Hospital admission for alcohol abuse, drug abuse, psychiatric care and suicide attempts diagnoses | The physician responsible for the discharge | 1987–1990 | Swedish Hospital Discharge Register |
| Sentenced to jail | The judge responsible for the sentence | 1988–1993 | National Register of Court Statistics |
| Alcohol and drug use at time of death | The physician responsible for the death certificate | 1991–1995 | National Cause of Cause of Death Register |