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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: Psychopharmacology (Berl). 2018 Nov 19;236(2):775–785. doi: 10.1007/s00213-018-5113-3

Table 3.

Linear Regression Models of Recent Drinking

Current Alcohol Dependence Model1
b 95% Confidence Interval p-value
Constant 5.56 4.97, 6.15 <0.001
Delay Discounting (In (k)) 0.02 −0.03, 0.07 0.459
Male Sex 0.29 0.12, 0.46 0.001
Age (years) 0.00 0.00, 0.01 0.426
Education −0.09 −0.16, −0.02 0.017
Income −0.02 −0.05, 0.01 0.166
Nicotine Dependence Severity2 0.06 0.03, 0.09 <0.001
Anxiety (STAI score)3 0.01 0.00, 0.02 0.010
Depression (MADRS score)4 0.01 −0.01, 0.02 0.334
Cocaine or Cannabis Use Disorder5 0.11 −0.10, 0.31 0.322
Healthy Control Model
b 95% Confidence Interval p-value
Constant 1.08 −0.40, 2.57 0.153
Delay Discounting (In (k)) 0.07 −0.06, 0.19 0.322
Male Sex 0.35 −0.01, 0.71 0.054
Age (years) −0.05 −0.06, −0.03 <0.001
Education 0.55 0.37, 0.74 <0.001
Income 0.05 −0.03, 0.13 0.189
Anxiety (STAI score)3 0.02 −0.01, 0.05 0.186
Depression (MADRS score)4 0.07 −0.05, 0.18 0.263
1

This model imputed missing values for Anxiety and Depression ratings

2

Nicotine dependence was assessed via Fagerström Test for Nicotine Dependence.

3

The STAI, or State-Trait Anxiety Inventory, was used to assess anxiety symptoms.

4

The MADRS, or Montgomery Asberg Depression Rating Scale, was used to assess depressive symptoms.

5

Cocaine or cannabis diagnosis included current abuse or dependence as assessed by the SCID-IV-TR.