Table 6 Multivariate analyses: personal risk of any sports/recreational activity related injury among child (<20 years of age) agricultural household members: regional rural injury study‐II, 1999.
| Exposure | No responded | No of events | OR | 95% CI |
|---|---|---|---|---|
| State of residence* | ||||
| Minnesota | 1627 | 97 | Referent | – |
| Nebraska | 1725 | 155 | 1.5 | 1.1 to 2.0† |
| North Dakota | 1716 | 126 | 1.2 | 0.8 to 1.6 |
| South Dakota | 1772 | 142 | 1.2 | 0.9 to 1.7 |
| Wisconsin | 1464 | 83 | 0.9 | 0.6 to 1.2 |
| Sex‡ | ||||
| Male | 4324 | 371 | 1.5 | 1.3 to 1.8† |
| Female | 3980 | 232 | Referent | – |
| Age (years)¶ | ||||
| ⩽4 | 1092 | 36 | Referent | – |
| 5–9 | 1890 | 76 | 1.2 | 0.8 to 1.8 |
| 10–14 | 2579 | 245 | 3.3 | 2.2 to 4.9† |
| 15–19 | 2736 | 245 | 2.9 | 2.0 to 4.4† |
| Head of household educational status§ | ||||
| Incomplete (age <20) | 3 | 1 | 27.7 | 4.9 to 157.7† |
| <High School graduate | 71 | 1 | 0.2 | 0.03 to 1.5 |
| High school graduate | 2240 | 142 | 0.8 | 0.7 to 1.1 |
| Technical school or some college | 3383 | 246 | 0.9 | 0.7 to 1.1 |
| College graduate/postgraduate | 2600 | 212 | Referent | – |
| Previous agricultural injury** | ||||
| No | 7544 | 522 | Referent | – |
| Yes | 752 | 80 | 1.3 | 1.0 to 1.7 |
| Hours worked per week†† | ||||
| 0 | 2097 | 92 | Referent | – |
| >0–20 | 5069 | 392 | 1.0 | 0.8 to 1.3 |
| >20–40 | 869 | 91 | 1.1 | 0.8 to 1.6 |
| >40–60 | 141 | 11 | 0.8 | 0.4 to 1.6 |
| >60–80 | 33 | 2 | 0.7 | 0.2 to 3.1 |
| Number of children on agricultural operation‡‡ | ||||
| 1 | 1000 | 75 | Referent | – |
| 2 | 2702 | 204 | 1.1 | 0.8 to 1.4 |
| 3 | 2672 | 206 | 1.1 | 0.8 to 1.5 |
| 4 | 1199 | 85 | 1.0 | 0.7 to 1.5 |
| 5 | 440 | 22 | 0.8 | 0.5 to 1.2 |
| 6+ | 284 | 10 | 0.5 | 0.2 to 0.9† |
| Head of household age group¶¶ | ||||
| 20–24 | 7 | 1 | 2.1 | 0.3 to 15.1 |
| 25–34 | 711 | 27 | 0.5 | 0.3 to 1.0 |
| 35–44 | 4464 | 321 | 0.9 | 0.6 to 1.4 |
| 45–54 | 2662 | 222 | 1.1 | 0.7 to 1.7 |
| 55–<100 | 453 | 31 | Referent | – |
Odds ratios (OR) were adjusted for within household correlation using generalised estimating equations,21 excluding level for missing values, and weighted for non‐response.22,23
*Adjusted for age and sex.
†95% confidence interval excludes 1.
‡Adjusted for age and state.
¶Adjusted for sex, head of household age, and state.
§Adjusted for head of household age and state.
**Adjusted for age, sex, state, and head of household education.
††Adjusted for age, head of household age, sex, number of children in the household, head of household education, and previous agricultural activity related injury.
‡‡Adjusted for head of household age, state, and head of household education.
¶¶No covariates included in this model.