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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Alcohol Clin Exp Res. 2012 Dec 14;37(2):348–360. doi: 10.1111/j.1530-0277.2012.01935.x

Table 3b.

Logistic Regression Statistics: Illicit Drug User Status (N = 191)

Predictor Step χ2 p Model χ2 (df) p Standardized β p
Step 1. Gender 1.80 .180 1.80 (1) .180 0.677 .181
Step 2. Stim 5.38 .020 7.72 (2) .028 1.025 .025
Step 3. NEM 0.62 .431 7.80 (3) .050 0.993 .432
Step 4. Stim × NEM 0.54 .085 8.17 (4) .085 1.000 .550
Final R2 0.06

Note. Stim = change score on the Stimulant scale of the Biphasic Alcohol Effects Scale (1.5 h – baseline); NEM = Negative Emotionality, higher-order factor scale on the Multidimensional Personality Questionnaire.