Variables | N | Injury | Non-injury | χ 2 | P | ||
---|---|---|---|---|---|---|---|
n | % | n | % | ||||
Gender | |||||||
Male | 2,134 | 365 | 17.10 | 1,769 | 82.90 | 48.02 | <0.001 |
Female | 2,004 | 195 | 9.73 | 1,809 | 90.27 | ||
Registered permanent residence | |||||||
Local | 3,026 | 414 | 13.68 | 2,612 | 86.32 | 0.21 | 0.645 |
Non-local | 1,112 | 146 | 13.13 | 966 | 86.87 | ||
BMI Category | |||||||
Normal weight | 3,727 | 492 | 13.20 | 3,235 | 86.80 | 3.96 | 0.138 |
Overweight | 308 | 49 | 15.91 | 259 | 84.09 | ||
Obesity | 103 | 19 | 18.45 | 84 | 81.55 | ||
Grade | |||||||
Primary school | 2,302 | 327 | 14.21 | 1,975 | 85.79 | 2.62 | 0.270 |
Secondary school | 1,138 | 150 | 13.18 | 988 | 86.82 | ||
College | 698 | 83 | 11.89 | 615 | 88.11 | ||
Self-perceived agrypnia | |||||||
No | 1,412 | 130 | 9.21 | 1,282 | 90.79 | 57.64 | <0.001 |
Sometimes | 2,260 | 324 | 14.34 | 1,936 | 85.66 | ||
Often | 466 | 106 | 22.75 | 360 | 77.25 | ||
Having PE class | |||||||
≤2 classes/week | 2,184 | 261 | 11.95 | 1,923 | 88.05 | 9.90 | 0.002 |
>2 classes/week | 1,954 | 299 | 15.30 | 1,655 | 84.70 | ||
Sexual behavior | |||||||
No | 3,924 | 509 | 12.97 | 3,415 | 87.03 | 20.45 | <0.001 |
Yes | 214 | 51 | 23.83 | 163 | 76.17 | ||
Trying smoking | |||||||
No | 3,074 | 378 | 12.30 | 2,696 | 87.70 | 15.62 | <0.001 |
Yes | 1,064 | 182 | 17.11 | 882 | 82.89 | ||
Alcohol consumption | |||||||
No | 1,505 | 159 | 10.56 | 1,346 | 89.44 | 17.81 | <0.001 |
Yes | 2,633 | 401 | 15.23 | 2,232 | 84.77 | ||
Physical fighting | |||||||
No | 3,360 | 368 | 10.95 | 2,992 | 89.05 | 101.72 | <0.001 |
Yes | 778 | 192 | 24.68 | 586 | 75.32 | ||
Unsafe cycling | |||||||
No | 3,123 | 355 | 11.37 | 2,768 | 88.63 | 51.04 | <0.001 |
Yes | 1,015 | 205 | 20.20 | 810 | 79.80 | ||
Skating in unsafe places | |||||||
No | 3,941 | 510 | 12.94 | 3,431 | 87.06 | 24.81 | <0.001 |
Yes | 197 | 50 | 25.38 | 147 | 74.62 | ||
Walking on the zebra crossing or pedestrian overpass or underpass | |||||||
No | 1,976 | 313 | 15.84 | 1,663 | 84.16 | 17.20 | <0.001 |
Yes | 2,162 | 247 | 11.42 | 1,915 | 88.58 | ||
Swimming in unsafe places | |||||||
No | 3,820 | 491 | 12.85 | 3,329 | 87.15 | 19.63 | <0.001 |
Yes | 318 | 69 | 21.70 | 249 | 78.30 |