| Variable | N | % | Mean | Standard Deviation |
|---|
| Gender |
| Female | 300 | 50.0 | 19.1 | 1 |
| Male | 300 | 50.0 | 22.9 | 1.1 |
| Number of friends | | | | – |
| 1–2 | 143 | 23.8 | 20.4 | 2.1 |
| 3–4 | 297 | 49.5 | 20.9 | 1.6 |
| ≥ 5 | 160 | 26.7 | 21.3 | 2.0 |
| Smoking |
| Yes | 155 | 26.0 | 24.1 | 1.2 |
| No | 445 | 74.0 | 18.4 | 2.2 |
| Life satisfaction |
| Yes | 348 | 58.0 | 19.0 | 2.3 |
| No | 252 | 42.0 | 23.2 | 1.9 |
| Education |
| First high school | 240 | 40.0 | 22.1 | 1.2 |
| Second year | 260 | 43.3 | 21.8 | 2.1 |
| Last year | 100 | 16.7 | 22.0 | 1.7 |
| Average school score |
| < 14 | 206 | 34 | 23.1 | 2.2 |
| > 15 | 394 | 56 | 20.0 | 1.4 |
| Pocket money |
| ≤ 10000Rial | 62 | 10.3 | 21.7 | 1.7 |
| 10-30000Rial | 159 | 26.5 | 21.6 | 1.4 |
| 30-50000Rial | 178 | 29.6 | 20.3 | 1.9 |
| ≥ 50000Rial | 201 | 33.5 | 22.3 | 2.2 |
| Housing status |
| With parent | 551 | 91.8 | 20.2 | 2.9 |
| One parent | 31 | 5.2 | 20.6 | 2.6 |
| Grandparents | 6 | 1.0 | 21.2 | 2.1 |
| Others | 12 | 2.0 | 21.3 | 2.7 |
| Mother job |
| Household | 507 | 84.5 | 21.0 | 1.8 |
| Employed | 93 | 15.5 | 20.5 | 2.0 |
| Father job |
| Employee | 96 | 16.0 | 20.0 | 2.0 |
| Worker | 252 | 42.0 | 21.5 | 2.0 |
| Retired | 26 | 4.3 | 20.9 | 1.5 |
| Self-employment | 226 | 37.7 | 21.1 | 1.6 |
| Father’s education |
| University | 65 | 11.0 | 23.9 | 2.1 |
| Secondary school | 382 | 63.7 | 21.4 | 2.3 |
| Elementary/ illiterate | 153 | 25.5 | 19.2 | 2.4 |
| Mother’s education |
| University | 77 | 12.8 | 24.3 | 2.2 |
| Secondary school | 279 | 36.5 | 22.6 | 2.1 |
| Elementary/ illiterate | 244 | 40.7 | 20.8 | 2 |
| Disruptive behavior | – | – | 21.0 | 1.1 |
| Social support | – | – | 38.8 | 8.4 |
| Perceived stress | – | – | 5.0 | 2.3 |
| Perceived depression | – | – | 5.2 | 2.6 |
| Hopefulness | – | – | 45.7 | 7.8 |
