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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Psychol Addict Behav. 2014 Aug 18;28(3):671–681. doi: 10.1037/a0036303

Table 1.

Predicting Total Number of Drinks Consumed at the Episode-specific (ES) Level

Predictor Total Number of Drinks Number of Social Drinks Number of Nonsocial Drinks

Intercept Only and Individual Main Effects Modelsa Final Model Intercept Only and Individual Main Effects Modelsa Final Model Intercept Only and Individual Main Effects Modelsa Final Model

b SE b SE b SE b SE b SE b SE
 Intercept 1.28** 0.02 0.80** 0.06 1.08** 0.03 0.47** 0.06 −0.96** 0.07 −1.37** 0.11
Within-person effects
 ES social motivesb 0.20** 0.01 0.14** 0.01 0.24** 0.01 0.18** 0.01 0.03 0.02
 ES enhancement motivesb 0.20** 0.01 0.08** 0.02 0.24** 0.01 0.10** 0.02 0.05* 0.02
 ES coping motivesb 0.05** 0.01 −0.02*f 0.01 0.03** 0.01 −0.06**g 0.01 0.09** 0.01 0.07**h 0.01
 Weekendc 0.31** 0.03 0.17** 0.03 0.41** 0.03 0.23** 0.03 −0.04 0.06
Between-person effects
 Genderd 0.27** 0.05 0.20** 0.05 0.22** 0.05 0.15* 0.05 0.55** 0.15 0.39* 0.14
 Agee −0.04* 0.02 −0.04* 0.02 −0.06 0.04
 Mean ES social motives 0.19* 0.02 0.10** 0.03 0.21** 0.02 0.18** 0.03 −0.04 0.07
 Mean ES enhancement motives 0.16* 0.02 0.18** 0.02 0.02 0.07
 Mean ES coping motives 0.06* 0.01 0.03* 0.01 0.02 0.01 0.22** 0.03 0.15** 0.04
 Global social motivese 0.01* 0.01 0.01* 0.01 0.02 0.01
 Global enhancement motives e 0.02** 0.01 0.01* 0.005 0.02* 0.01 0.04* 0.01
 Global coping motivese 0.02* 0.01 0.00 0.01 0.08** 0.01 0.05* 0.02
Interactions
 ES coping motivesb × Genderd 0.08 ** 0.01 0.11** 0.02 0.04 0.02

p = .05,

*

p < .05,

**

p < .0001.

a

Each main effect, including the intercept, was tested individually, except for ES motives, for which the within-person effect was tested with the between-person effect.

b

Person-mean centered.

c

0 = weeknight, 1 = weekend.

d

0 = female, 1 = male.

e

Grand-mean centered.

f

Conditional effect; b = 0.02* without interaction term.

g

Conditional effect; b = −0.01 without interaction term.

h

Conditional effect; b = 0.08** without interaction term.