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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 4a.

Linear Regression Statistics: Average Daily Alcohol Consumption (N = 160)

Predictor ΔR2 p Model F (df) p Standardized β Bootstrapped p
Step 1. Gender 0.045 .007 7.519 (1, 158) .007 0.212 .020
Step 2. Stim 0.002 .522 3.951 (2, 157) .021 −0.043 .710
Step 3. NEM 0.020 .070 3.780 (3, 156) .012 0.147 .102
Step 4. Stim × NEM 0.034 .017 4.368 (4, 155) .005 0.203 .020
Final R2 0.101

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.