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Table 3 Results of multivariate stepwise logistic regression for injury impact factors

From: Epidemiological characteristics and burden of childhood and adolescent injuries: a survey of elementary and secondary students in Xiamen, China

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)