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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Addict Behav. 2010 Jan 4;35(5):513–516. doi: 10.1016/j.addbeh.2009.12.024

Table 1.

Zero-inflated negative binomial regression results examining alcohol-related problems as a function of drinks per week, curiosity-exploration, curiosity-absorption, and sensation seeking.

Predictor B SE B t
Logistic portion of model
Step 1 Drinks per week −7.32 4.367 −1.68
Curiosity-exploration (C-EXP) −0.913 0.819 −1.11
Curiosity-absorption (C-ABS) 0.007 0.467 −0.02
Sensation seeking (SS) 1.165 0.778 1.50
Step 2 Drinks per week X C-EXP 0.304 0.381 0.80
Drinks per week X C-ABS 0.249 0.407 0.61
Drinks per week X SS −0.461 0.303 −1.52
Counts portion of model
Step 1 Drinks per week 0.079 0.032 2.43**
Curiosity-exploration (C-EXP) −0.232 0.050 −4.66***
Curiosity-absorption (C-ABS) 0.105 0.047 2.23*
Sensation seeking (SS) 0.162 0.036 4.45***
Step 2 Drinks per week X C-EXP −0.004 0.031 −0.12
Drinks per week X C-ABS 0.015 0.025 0.62
Drinks per week X SS −0.003 0.020 −0.28

Note.

p < .10.

***

p < .001.

*

p < .05.