Table 5.
Prevalence Ratios estimating factors associated with hospital admission in a multivariate logistic regression model (N = 1,656), Japan, 2003
| Factors | N | PR adj. | 95% CI | |
|---|---|---|---|---|
| Gender | ||||
| Females | 744 | 1.00 | ||
| Males | 912 | 1.23 | 0.87 | 1.53 |
| Age | ||||
| 18 - 64 | 1459 | 1.00 | ||
| 65 - 74 | 119 | 2.90 | 1.77 | 4.74 |
| 75 - | 78 | 2.57 | 1.46 | 4.55 |
| Mechanism of Injury | ||||
| Automobile | 1067 | 1.00 | ||
| Bicycle | 182 | 5.13 | 3.22 | 8.17 |
| Motorcycle | 263 | 5.15 | 3.47 | 7.64 |
| Pedestrian | 111 | 5.07 | 3.00 | 8.57 |
| Others | 33 | 3.12 | 1.25 | 7.79 |
| Address | ||||
| in Kurume | 976 | 1.00 | ||
| outside Kurume | 680 | 2.78 | 2.02 | 3.83 |
| Transfer | ||||
| Walk-in | 813 | 1.00 | ||
| Ambulance | 843 | 20.40 | 7.79 | 12.49 |
| Weekend | ||||
| Yes | 585 | 1.00 | ||
| No | 1071 | 1.73 | 1.25 | 2.40 |
PR adj: Adjusted Prevalence Ratios
The area under ROC curve = 0.875
P-value of the goodness of the fit = 0.389
CI: Confidence Intervals