| Life skills | Differences for sex | ||
| Sex | Mean | Std. deviation | |
| PSES_PS | Boys | 72.88 | 10.60 |
| Girls | 70.23 | 11.26 | |
| PSES_IC/SC | Boys | 99.41 | 12.19 |
| Girls | 97.10 | 14.54 | |
| PSES_NE | Boys | 62.60 | 12.76 |
| Girls | 56.34 | 13.80 | |
| PSES_PE | Boys | 39.61 | 6.64 |
| Girls | 41.80 | 6.59 | |