Table 2 Bivariate and multivariate analysis of risk factors for injury among 1493 Keokuk County Rural Health Study cohort members aged 18 years and older.
| Risk factor | Injury frequency | Bivariate RR (95% CI) | Multivariate RR (95% CI) |
|---|---|---|---|
| Depressive symptoms | 259 | 1.54 (1.22–1.95) | 1.41 (1.10–1.80) |
| On medication for depression | 127 | 1.61 (1.19–2.18) | 1.53 (1.13–2.09) |
| Males | 655 | 1.28 (1.04–1.51) | 1.34 (1.11–1.63) |
| Age range 18–44 | 420 | 1.0 | |
| Age range 45–64 v 18–44 | 577 | 1.05 (0.83–1.34) | |
| Age range 65+ v 18–44 | 496 | 1.24 (0.94–1.64) | |
| Not married | 328 | 1.31 (1.03–1.66) | |
| More than high school education v high school or less | 706 | 1.07 (0.87–1.31) | |
| Prior injury | 305 | 1.43 (1.14–1.79) | 1.34 (1.06–1.67) |
| Income less than $20,000 a year | 170 | 1.46 (1.09–1.96) | 1.34 (1.00–1.80) |
| High CAGE score | 177 | 1.25 (0.94–1.68) | . |
| Less than 7 hours of sleep | 433 | 1.29 (1.05–1.60) | 1.23 (1.00–1.52) |
*Clustering by household accounted for using the generalized estimation equation.