Table 2.
Univariate Analysis | Multivariate Analysis | |||||
---|---|---|---|---|---|---|
Independent Variable | OR | 95% CI | P-Value | OR | 95% CI | P-Value |
Age groups | — | |||||
60-64 | Ref | Ref | Ref | Ref | Ref | Ref |
65-69 | 1.1 | 1.0-1.1 | <.001 | 1.0 | 1.0-1.1 | .699 |
70-74 | 1.6 | 1.6-1.7 | <.001 | 1.4 | 1.3-1.4 | <.001 |
75-79 | 2.5 | 2.4-2.6 | <.001 | 2.1 | 2.1-2.2 | <.001 |
80-84 | 3.2 | 3.1-3.3 | <.001 | 2.3 | 2.2-2.4 | <.001 |
85-89 | 4.3 | 4.2-4.5 | <.001 | 3.2 | 3.1-3.3 | <.001 |
90+ | 5.7 | 5.5-5.9 | <.001 | 3.4 | 3.3-3.6 | <.001 |
Gender | — | |||||
Male | Ref | Ref | Ref | Ref | Ref | Ref |
Female | 2.9 | 2.8-2.9 | <.001 | 2.4 | 2.3-2.4 | <.001 |
Race | — | |||||
white | Ref | Ref | Ref | Ref | Ref | Ref |
black or African American | 0.4 | .4-0.4 | <.001 | 0.4 | .4-0.5 | <.001 |
Hispanic | 0.8 | .7-0.8 | <.001 | 0.8 | .8-0.9 | <.001 |
Asian | 1.2 | 1.2-1.3 | <.001 | 1.2 | 1.1-1.2 | <.001 |
American Indian or Alaska native | 1.0 | .8-1.2 | .904 | 0.9 | .8-1.1 | .553 |
Native Hawaiian and other Pacific Islander | 2.7 | 2.2-2.3 | <.001 | 2.2 | 1.8-2.7 | <.001 |
Mechanism of injury | — | |||||
fall | 4.8 | 4.7-4.9 | <.001 | 3.3 | 3.2-3.4 | <.001 |
Jump | 0.6 | .4-1.0 | .048 | — | ||
Motor vehicle accident | 3.8 | 3.3-4.2 | <.001 | 3.7 | 3.2-4.4 | <.001 |
Sports | 0.3 | .3-0.4 | <.001 | 0.6 | .5-0.8 | <.001 |
Other | Ref | Ref | Ref | Ref | Ref | Ref |
Year | 1.05 | 1.05-1.05 | <.001 | 1.10 | 1.09-1.10 | <.001 |