Table 1 Characteristics of the sample (n = 1189)
Number | Percent | |
|---|---|---|
Age, years | ||
4 | 93 | 7.8% |
5 | 646 | 54.4% |
6 | 450 | 37.8% |
Sex | ||
Boys | 614 | 51.6% |
Girls | 575 | 48.4% |
School | ||
Public | 1047 | 88.1% |
Private | 142 | 11.9% |
Origin | ||
Spanish | 1022 | 86.0% |
Foreign | 167 | 14.0% |
Family socio-economic status | ||
Low | 346 | 29.2% |
Middle | 538 | 45.2% |
High | 305 | 25.6% |