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. Author manuscript; available in PMC: 2015 Nov 17.
Published in final edited form as: J Subst Abuse Treat. 2014 Mar 1;47(1):1–9. doi: 10.1016/j.jsat.2014.02.004

Table 2.

Results from zero-inflated count regression models for primary drinking outcomes during the 12-week treatment period. Models evaluate number of drinking days for AE relative to BA-E and in relation to weekly average minutes of exercise during the 12-week active treatment period.

Any
Drinking
Days
Heavy
Drinking
Days
b SE p b SE p
(Intercept) 0.42 0.49 0.39 2.44 0.54 0.00
Age 0.04 0.01 0.00 0.01 0.01 0.36
Female −0.06 0.16 0.73 0.24 0.22 0.29
Baseline Drinks per Day 0.17 0.02 0.00 0.12 0.03 0.00
Condition (AE) −0.27 0.11 0.02 −0.54 0.14 0.00
Minutes of Exercise (sqrt) 0.02 0.01 0.12 −0.06 0.02 0.00

Condition(AE) X Minutes of Exercise (sqrt)a 0.23 0.03 0.00 0.16 0.04 0.00

Note: a = Interaction term evaluated in subsequent model. All other terms are derived from main effects models.