Table 1. Descriptive characteristics of the participants.
| n | % | ||
|---|---|---|---|
| Sex | |||
| Male | 1,280 | 53.2 | |
| Female | 1,127 | 46.8 | |
| Age | |||
| 10 | 103 | 4.3 | |
| 11 | 273 | 11.3 | |
| 12 | 378 | 15.7 | |
| 13 | 385 | 16 | |
| 14 | 290 | 12 | |
| 15 | 179 | 7.4 | |
| 16 | 614 | 25.5 | |
| 17 | 185 | 7.7 | |
| Grade | |||
| 5 | 353 | 14.7 | |
| 6 | 333 | 13.8 | |
| 7 | 350 | 14.5 | |
| 8 | 417 | 17.3 | |
| 9 | 517 | 21.5 | |
| 10 | 437 | 18.2 | |
| Siblings | |||
| Yes | 1,185 | 49.2 | |
| No | 1,222 | 50.8 | |
| Live with parent | |||
| Yes | 2,023 | 84 | |
| No | 384 | 16 | |
| Residence | |||
| Rural | 279 | 11.6 | |
| Suburban | 530 | 22 | |
| Urban | 1,598 | 66.4 | |
| Father educational level | |||
| Middle school or below | 621 | 25.8 | |
| High school/occupational school | 591 | 24.6 | |
| University/college | 773 | 32.1 | |
| Master or above | 139 | 5.8 | |
| Unknown | 283 | 11.8 | |
| Mother educational level | |||
| Middle school or below | 767 | 31.9 | |
| High school/occupational school | 516 | 21.4 | |
| University/college | 732 | 30.4 | |
| Master or above | 114 | 4.7 | |
| Unknown | 278 | 11.5 | |
| MVPA guideline | |||
| Not meet | 2,252 | 93.6 | |
| Meet | 155 | 6.4 | |
| Screen guideline | |||
| Not meet | 1,361 | 56.5 | |
| Meet | 1046 | 43.5 | |
| Sleep guideline | |||
| Not meet | 1,678 | 69.7 | |
| Meet | 729 | 30.3 | |
| Combinations of the guidelines met | |||
| None | 867 | 36 | |
| MVPA only | 43 | 1.8 | |
| Screen only | 722 | 30 | |
| Sleep only | 407 | 16.9 | |
| MVPA & screen | 46 | 1.9 | |
| MVPA & sleep | 44 | 1.8 | |
| Screen & sleep | 256 | 10.6 | |
| All | 22 | 0.9 | |
| Number of the guidelines met | |||
| None | 867 | 36 | |
| One | 1172 | 48.7 | |
| Two | 346 | 14.4 | |
| Three | 22 | 0.9 | |
| Self-rated health | |||
| Poor | 153 | 6.4 | |
| Fair | 864 | 35.9 | |
| Good | 740 | 30.7 | |
| Very good | 370 | 15.4 | |
| Excellent | 280 | 11.6 |