Table 3.
Results of multivariate stepwise logistic regression for injury impact factors
| Factors | β | SE | Wald χ 2 | P | OR (95% CI) |
|---|---|---|---|---|---|
| Sex | |||||
| Girls | 1.000 | ||||
| Boys | 0.564 | 0.130 | 18.817 | 0.000 | 1.758 (1.362–2.268) |
| Grade | |||||
| 1–3 | 1.000 | ||||
| 4–6 | 0.309 | 0.182 | 2.875 | 0.090 | 1.363 (0.953–1.948) |
| 7–9 | 0.368 | 0.184 | 4.021 | 0.045 | 1.445 (1.008–2.070) |
| 10–12 | −0.096 | 0.200 | 0.230 | 0.632 | 0.908 (0.613–1.345) |
| Residence | |||||
| Urban | 1.000 | ||||
| Suburban | 0.385 | 0.161 | 5.741 | 0.017 | 1.470 (1.073–2.014) |
| Exurban | 0.486 | 0.159 | 9.312 | 0.002 | 1.626 (1.190–2.221) |
| Health Status | |||||
| Good | 1.000 | ||||
| Fair | 0.394 | 0.145 | 7.388 | 0.007 | 1.483 (1.116–1.971) |
| Bad | 1.254 | 0.414 | 9.174 | 0.002 | 3.505 (1.557–7.892) |
| Personality | |||||
| Introvert | 1.000 | ||||
| Middle | 0.676 | 0.269 | 6.296 | 0.012 | 1.966 (1.159–3.334) |
| Extrovert | 1.056 | 0.273 | 14.923 | 0.000 | 2.876 (1.683–4.915) |
| Number of siblings | |||||
| ≥1 | 1.000 | ||||
| 0 | 0.473 | 0.163 | 8.427 | 0.004 | 1.605 (1.166–2.210) |
| Parents’ marriage | |||||
| In marriage | 1.000 | ||||
| Non-married | 1.044 | 0.264 | 15.600 | 0.000 | 2.842 (1.692–4.771) |
| Number of people living together | |||||
| ≤3 | 1.000 | ||||
| 4–6 | −0.166 | 0.159 | 1.083 | 0.298 | 0.847 (0.620–1.158) |
| ≥7 | 0.734 | 0.343 | 4.568 | 0.033 | 2.083 (1.063–4.082) |