Table 1.
Basic characteristics of parents born in Sweden between 1945 and 1965 and their offspring
| Fathers | Mothers | |
|---|---|---|
|
| ||
| Parents characteristics | ||
| N (parent-children pairs) | 1 919 549 | 2 064 618 |
| Age at baseline, mean (SD) | 45.2 (5.6) | 42.6 (5.4) |
| CHD, n (%) | 158 750 (8.3%) | 74 427 (3.6%) |
| AUD in child, n (%) | 70 108 (3.7%) | 83 109 (4.0%) |
| Year of birth, mean (SD) | 1954 (6.1) | 1955 (6.2) |
| Age at childbirth, mean (SD) | 30.2 (5.6) | 27.6 (5.4) |
| Education (years), mean (SD)a | 12.0 (2.9) | 12.4 (2.8) |
| Married at baseline, n (%) | 1 259 313 (65.6%) | 1 354 623 (65.6%) |
| AUD in parent, n (%) | 195 870 (10.2%) | 81 263 (3.9%) |
| Same household at baseline, n (%) | 1 375 889 (71.7%) | 1 877 660 (90.9%) |
| Offspring characteristics | Offspring to fathers | Offspring to mothers |
| Sex of the child (males), n (%) | 986 890 (51.4%) | 1 060 703 (51.4%) |
| Year of birth, mean (SD) | 1984 (8.4) | 1982 (8.7) |
| Age at AUD, mean (SD) | 24.3 (7.5) | 25.6 (8.4) |
| Age at end of follow-up, mean (SD) | 31.1 (8.3) | 33.9 (8.6) |
CHD = coronary heart disease; AUD = alcohol use disorders.
a
Number of years of education were measured as highest achieved education, presented as unstandardized mean values. In the regression models the variable was standardized (with mean 0 and SD 1) per year of birth and sex.