Table 4

Summary of Regression Analysis for Variables Predicting Dependence (N = 5446)
Variable
 B
 SE B
 β
 R2
 R2-Change
Step 1


0.097
 0.097***
     Respondent sex
 -0.022
 0.006
 -0.046***

     Respondent age
 -0.005
 0.000
 -0.265***

Step 2


0.179
 0.082***
     Frequency of use (days per month)
 0.140
 0.012
 0.183***

Step 3


0.194
 0.016***
     Quarter ounces per month
 0.110
 0.012
 0.143***

Step 4


0.202
 0.008***
     Usual intoxication intensity
 0.011
 0.003
 0.058***

Step 5


0.205
 0.003***
     Maximum intoxication intensity
 0.013
 0.003
 0.070***

F (6,5445) = 233.836, p < 0.001




Note. ***p < 0.001

Walden and Earleywine Harm Reduction Journal 2008 5:20   doi:10.1186/1477-7517-5-20

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