Table 5 Logistic regression models
Model 1: without alcohol intoxication | Model 2: with alcohol intoxication | ||||||
|---|---|---|---|---|---|---|---|
Characteristic | OR | 95% CI | p-value | Characteristic | OR | 95% CI | p-value |
Sex | Sex | ||||||
Male | --- | --- | Male | --- | --- | ||
Female | 1.51 | 0.73, 3.09 | 0.3 | Female | 1.27 | 0.59, 2.73 | 0.5 |
Age | 0.98 | 0.94, 1.03 | 0.5 | Age | 0.99 | 0.95, 1.04 | 0.7 |
Acute behavioral changes | Acute behavioral changes | ||||||
No behavioral change | --- | --- | No behavioral change | --- | --- | ||
Behavioral Change Present | 6.98 | 3.26, 14.6 | < 0.001 | Behavioral Change Present | 6.51 | 3.01, 13.7 | < 0.001 |
Mechanism of injury | |||||||
Non-alcohol related | |||||||
Alcohol intoxication | 1.88 | 0.76, 4.46 | 0.2 | ||||
Pseudo R-squared for model 1: | Pseudo R-squared for model 2: | ||||||
Log-likelihood | -119.665 | Log-likelihood | -118.717 | ||||
Null Log-likelihood | -132.315 | Null Log-likelihood | -132.315 | ||||
G2 (Likelihood Ratio Test Statistic) | 25.299 | G2 (Likelihood Ratio Test Statistic) | 27.195 | ||||
McFadden’s R-squared | 0.096 | McFadden’s R-squared | 0.103 | ||||
ML R-squared | 0.043 | ML R-squared | 0.045 | ||||
Cox & Snell’s R-squared | 0.116 | Cox & Snell’s R-squared | 0.125 | ||||