Table 1 Sociodemographic characteristics of the sample
n | mean (s.d.) or % | |
|---|---|---|
Age | ||
Mean (SD) | 713 | 11.7 (2.8) |
7-11 | 339 | 47.5 |
12-15 | 289 | 40.5 |
≥16 | 85 | 11.9 |
Sex | ||
Female | 385 | 54.0 |
Male | 328 | 46.0 |
Family type | ||
Biparental | 573 | 84.0 |
Monoparental | 109 | 16.0 |
Highest family level of education | ||
Primary | 163 | 25.1 |
Secondary | 334 | 51.4 |
University degree | 153 | 23.5 |
Family Affluence Scale | ||
Low | 214 | 30.7 |
Middle | 446 | 64.0 |
High | 37 | 5.3 |
Order of administration | ||
Paper version first | 375 | 52.6 |
Web version first | 338 | 47.4 |
Language of questionnaires | ||
Spanish | 353 | 49.5 |
Catalan | 360 | 50.5 |