Controls | Cases | |
---|---|---|
(n = 330) | (n = 330) | |
% | % | |
Socioeconomic background | * | |
High | 36.4 | 31.5 |
Intermediate | 34.8 | 30.3 |
Low | 28.8 | 38.2 |
Ethnic background | * | |
Autochthonous backgroundb | 94.8 | 85.4 |
Non-western background | 5.2 | 14.6 |
Family composition | * | |
Two parents | 90.3 | 78.4 |
One parent | 9.7 | 21.6 |
Sex | ||
Women | 60.6 | 60.6 |
Men | 39.4 | 39.4 |