Logistic regression models | Rare events logistic regression model | |||||||||||
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Driving under the influence | Alcohol-related arrest | DUI citation/arrest | ||||||||||
Characteristics | O.R. | 95% CI | Wald χ2 | p | O.R. | 95% CI | Wald χ2 | p | O.R. | 95% CI | Wald χ2 | p |
Gender (0 = F,1 = M) | 2.44 | 1.50-3.96 | 13.07 | <.01 | 1.77 | 1.29-2.44 | 12.17 | <.01 | 2.17 | .75-6.25 | 2.04 | .16 |
Race (1 = Non-White) | .67 | .36-1.27 | 1.51 | .22 | .38 | .23-.64 | 13.68 | <.01 | .50 | .10-2.58 | .69 | .41 |
Age | 1.06 | .97-1.16 | 1.80 | .18 | 1.09 | 1.03-1.17 | 7.42 | .01 | 1.56 | .71-3.46 | 1.21 | .28 |
Student athlete | 1.07 | .36-3.10 | .01 | .91 | 1.28 | .63-2.58 | .47 | .50 | 2.46 | .50-12.13 | 1.22 | .27 |
Fraternity/Sorority | .80 | .45-1.43 | .56 | .46 | 1.36 | .94-1.97 | 2.65 | .11 | 1.08 | .36-3.22 | .02 | .90 |
Employed‡ | ||||||||||||
Part-time | 1.90 | 1.19-3.05 | 7.11 | .01 | 1.21 | .85-1.72 | 1.15 | .29 | 1.31 | .40-4.01 | .20 | .66 |
Full-time | 1.33 | .41-4.30 | .23 | .63 | .92 | .38-2.21 | .04 | .86 | 16.12 | 2.62-99.10 | 9.00 | <.01 |
Family income | 1.04 | .93-1.16 | .37 | .55 | 1.06 | .97-1.14 | 1.73 | .19 | 1.02 | .79-1.32 | .02 | .88 |
Married | 1.33 | .32-5.51 | .15 | .70 | 1.31 | .44-3.91 | .24 | .63 | .00 | .00-19424 | .00 | 1.00 |
Off-campus housing | 1.31 | .75-2.31 | .90 | .35 | .90 | .62-1.31 | .30 | .59 | .72 | .22-2.42 | 0.28 | .60 |
Alcohol use frequency | 1.32 | 1.12-1.56 | 11.29 | <.01 | 1.14 | 1.02-1.28 | 5.22 | .03 | 1.20 | .83-1.73 | .97 | .33 |
Age of alcohol onset | .89 | .83-.95 | 12.19 | <.01 | .91 | .86-.96 | 12.97 | <.01 | .87 | .74-1.03 | 2.59 | .11 |
Happy hour drinking | 1.88 | 1.12-3.15 | 5.67 | .02 | 1.24 | .88-1.74 | 1.45 | .23 | 1.03 | .34-3.17 | .00 | .96 |
Constant | .01 | .05 | .00 | |||||||||
Model χ2 | 67.01 | 79.88 | 66.23 | |||||||||
Pseudo R2 | .128 | .106 | .08 |