Full Model     ┬áReduced Model  
Variable B SE B Odds ratio 95% CI B SE B Odds ratio 95% CI
Drinks per drinking day -0.45 0.67 0.64 0.17-2.37        
Frequency of binge drinking 0.96 0.65 0.38 0.11-1.38        
Negative consequences of alcohol 0.31# 0.18 1.36 0.96-1.94        
Mean of peer drinking norms items 0.01 0.16 1.01 0.74-1.40        
Smoking (smoker: 1, non-smoker: 0) 1.28*** 0.37 3.60 1.79-6.62 0.35* 0.14 1.41 1.07-1.87
Past-year illegal drug use (yes: 1, no: 0) -0.21 0.32 0.82 0.44-1.51        
Past-yr prescription abuse (yes:1, no:0) 0.60 0.46 1.83 0.74-4.54 1.24*** 0.33 3.44 1.81-6.54
Current emotional/psychiatric condition -1.16 0.91 0.31 0.05-1.87        
Race (white: 1, non-white: 0) -0.85** 0.30 0.43 0.24-0.78        
Sex (male: 1, female: 0)         -0.93*** 0.28 0.39 0.23-0.69
Academic class: dummy coded -0.33 0.29 0.72 0.41-1.28        
sophomore -0.70 0.35 0.50 0.25-0.98        
junior -0.54 0.37 0.58 0.28-1.21 -1.09      
Table 2: Summary of Logistic Regression Analyses Predicting Interest in an Alcohol Reduction Clinical Trial of Naltrexone among University Undergraduates.
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