Factors associated with injury in children aged 10–14 years
| Factor | Crude OR | 95% CI | Adjusted OR | 95% CI |
|---|---|---|---|---|
| *Significant at p<0.05. | ||||
| N/A, not used in multivariate model, since not significant in bivariate analysis. | ||||
| Gender | ||||
| Female | 0.57* | 0.48 to 0.69 | 0.81 | 0.65 to 1.02 |
| Male | Referent | Referent | ||
| Race | ||||
| Others | 1.79* | 1.49 to 2.16 | 1.67* | 1.33 to 2.11 |
| White | Referent | Referent | ||
| Age | 1.02 (per year) | 1.00 to 1.04 | N/A | |
| School location | ||||
| Large city | 2.02* | 1.48 to 2.77 | 1.82* | 1.23 to 2.70 |
| Small town | 1.18 | 0.89 to 1.56 | 1.06 | 0.75 to 1.49 |
| Rural | 1.01 | 0.75 to 1.36 | 0.93 | 0.64 to 1.34 |
| Medium city | Referent | Referent | ||
| Hours per week worked | ||||
| >23 hours | 1.66* | 1.27 to 2.16 | 0.96 | 0.67 to 1.35 |
| 17–22 hours | 1.98* | 1.40 to 2.80 | 1.46 | 0.95 to 2.24 |
| 11–16 hours | 0.95 | 0.68 to 1.32 | 0.73 | 0.48 to 1.09 |
| 6–10 hours | 0.94 | 0.74 to 1.19 | 0.86 | 0.65 to 1.14 |
| Less than 5 hours | Referent | Referent | ||
| How late worked | ||||
| Later than 11 pm | 1.64* | 1.18 to 2.29 | 1.40 | 0.93 to 2.11 |
| Between 7–11 pm | 1.20 | 0.98 to 1.46 | 1.04 | 0.81 to 1.32 |
| Earlier than 7 pm | Referent | Referent | ||
| Days per week worked before 8 am | ||||
| More than 3 days | 1.79* | 1.42 to 2.26 | 1.27 | 0.94 to 1.72 |
| 2–3 days | 1.20 | 0.93 to 1.53 | 1.08 | 0.80 to 1.46 |
| One day | 1.04 | 0.78 to 1.39 | 1.25 | 0.90 to 1.76 |
| Never | Referent | Referent | ||
| Number of jobs worked | ||||
| More than 4 | 2.30* | 1.70 to 3.10 | 1.27 | 0.86 to 1.87 |
| 4 jobs | 1.81* | 1.13 to 2.91 | 1.52 | 0.85 to 2.70 |
| 3 jobs | 1.73* | 1.30 to 2.32 | 1.29 | 0.91 to 1.84 |
| 2 jobs | 1.19 | 0.95 to 1.49 | 1.02 | 0.78 to 1.34 |
| 1 job | Referent | Referent | ||
| Received safety training | ||||
| Yes | 1.41* | 1.17 to 1.70 | 1.26 | 1.00 to 1.59 |
| No | Referent | Referent | ||
| Given a safety manual | ||||
| Yes | 1.1 | 0.90 to 1.36 | N/A | |
| No | Referent | |||
| Informed of legal rights | ||||
| Yes | 1.22* | 1.01 to 1.47 | 1.01 | 0.80 to 1.28 |
| No | Referent | |||
| Asked to do something dangerous | ||||
| Yes | 6.11* | 4.70 to 7.90 | 2.25* | 1.61 to 3.14 |
| No | Referent | Referent | ||
| Co-worker injured | ||||
| Yes | 5.46* | 4.26 to 6.99 | 2.65* | 1.95 to 3.60 |
| No | Referent | Referent | ||
| Had a “near-miss” incident | ||||
| Yes | 10.6* | 8.23 to 13.5 | 6.61* | 4.92 to 8.89 |
| No | Referent | Referent | ||