Logistic regression models of injury risk and activity/participation limitations
| Variable | Model 1† | Model 2‡ | Model 3§ | |||
|---|---|---|---|---|---|---|
| OR | 95% CI* | OR | 95% CI* | OR | 95% CI* | |
| *95% confidence intervals. | ||||||
| †Univariate logistic regression model (injury = dependent variable). | ||||||
| ‡Multivariable logistic regression model by controlling for confounding variables that were statistically significant variables in univariate models (gender, age, and marital status). | ||||||
| §Multivariable logistic regression model by controlling for confounding variables that were statistically significant variables (gender, age, and marital status) and non-significant variables (race, education, poverty, and residence area) in univariate models. | ||||||
| ¶Reference group. | ||||||
| **Classified using United States Department of Health and Human Services 2000 poverty guidelines. | ||||||
| Limitation status | ||||||
| Severe limitations | 2.19 | 1.25 to 3.81 | 3.63 | 2.03 to 6.47 | 3.72 | 1.94 to 7.14 |
| Moderate limitations | 1.50 | 1.04 to 2.16 | 1.74 | 1.20 to 2.53 | 1.87 | 1.25 to 2.77 |
| No limitations | Ref¶ | Ref | Ref | |||
| Gender | ||||||
| Male | 1.49 | 1.11 to 2.01 | 1.66 | 1.20 to 2.29 | ||
| Female | Ref | Ref | ||||
| Age (years) | ||||||
| 18–24 | 3.11 | 1.60 to 6.04 | 3.32 | 1.59 to 6.96 | ||
| 25–24 | 1.68 | 0.96 to 2.92 | 1.40 | 0.75 to 2.60 | ||
| 35–44 | 1.92 | 1.13 to 3.27 | 1.76 | 0.97 to 3.19 | ||
| 45–54 | 1.56 | 0.94 to 2.89 | 1.45 | 0.77 to 2.73 | ||
| 55–64 | 1.19 | 0.64 to 2.23 | 1.42 | 0.72 to 2.79 | ||
| 65+ | Ref | Ref | ||||
| Marital status | ||||||
| Married/unmarried couple | Ref | Ref | ||||
| Divorced/separated/widowed | 0.92 | 0.65 to 1.32 | 0.91 | 0.62 to 1.34 | ||
| Single, never married | 1.4 | 0.91 to 2.16 | 1.58 | 0.99 to 2.50 | ||
| Race/ethnicity | ||||||
| White non-Hispanic | 1.89 | 0.88 to 4.06 | ||||
| White Hispanic | 2.19 | 0.92 to 5.25 | ||||
| Black | 2.44 | 0.77 to 7.74 | ||||
| Other | Ref | |||||
| Education | ||||||
| Less than high school | 0.70 | 0.35 to 1.40 | ||||
| High school graduate | 0.99 | 0.68 to 1.43 | ||||
| Some college | Ref | |||||
| Poverty** | ||||||
| Yes | 0.85 | 0.45 to 1.52 | ||||
| No | Ref | |||||
| Area of residence | ||||||
| Urban | Ref | |||||
| Rural | 1.23 | 0.92 to 1.64 | ||||