Table 1 Demographic information of participants
Variables | Fathers | Mothers | Adolescents | |||
|---|---|---|---|---|---|---|
N/M | %/SD | N/M | %/SD | N/M | %/SD | |
Age | 44.70 | 4.56 | 42.83 | 4.23 | 14.36 | 2.30 |
Gender | ||||||
 Boys |  |  |  |  | 517 | 50.1% |
 Girls |  |  |  |  | 514 | 49.9% |
Only-child status | ||||||
 The only child |  |  |  |  | 597 | 57.9% |
 Non-only child |  |  |  |  | 434 | 42.1% |
SES | 6.18 | 1.93 | 6.13 | 1.93 | Â | Â |
Educational status | ||||||
 Primary school | 43 | 4.2% | 61 | 5.9% |  |  |
 Lower general secondary school | 219 | 21.2% | 239 | 23.2% |  |  |
 Higher general secondary school | 270 | 26.2% | 256 | 24.8% |  |  |
 Higher vocational education | 175 | 17.0% | 203 | 19.7% |  |  |
 University education | 324 | 31.4% | 272 | 26.4% |  |  |