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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Alcohol Clin Exp Res. 2016 Apr;40(4):806–815. doi: 10.1111/acer.13020

Table 4.

Linear Regression Predicting Weekly Average Number of Drinks (logarithmic transformation)

Coefficient SE 95% CI
Employment Status (Ref: Employed full-time)
 Unemployed −0.02 0.13 −0.30 0.24
 Employed part-time 0.08 0.11 −0.14 - 0.30
 Not in workforce −0.20 0.11 −0.42 - 0.01
Religion (Ref: Catholic)
 Protestant −0.29 ** 0.09 −0.47 - −0.10
 Other religious preference −0.20 0.14 −0.49 - 0.08
 No religious preference 0.24 * 0.10 0.05 - 0.44
Income (Ref: $0-$10,000)
 $10,001-$20,000 −0.06 0.11 −0.28 - 0.16
 $20,001-$30,000 0.09 0.13 −0.16 - 0.35
 $30,001-$40,000 0.03 0.16 −0.28 - 0.34
 $40,001-$60,000 0.07 0.16 −0.24 - 0.38
 $60,001+ 0.20 0.17 −0.14 - 0.53
Education (Ref: College degree)
 Less than high school −0.14 0.14 −0.42 - 0.14
 High school diploma −0.13 0.10 −0.33 - 0.08
 Some college/technical/vocation −0.01 0.07 −0.16 - 0.13
Marital Status (Ref: Married/living with someone)
 Married not living with spouse/legally separated/divorced 0.12 *** 0.09 −0.07 - 0.30
 Widowed −0.03 0.18 −0.38 - 0.33
 Never married 0.15 0.08 −0.01 - 0.30
Age (Ref: 18-29 years)
 30-39 years −0.13 0.11 −0.35 - 0.08
 40-49 years −0.51 *** 0.10 −0.71 - −0.30
 50+ years −0.34 ** 0.10 −0.54 - −0.13
Gender (Ref: Female)
 Male 0.58 *** 0.08 0.42 - 0.75

Notes: Ref. = Reference group; SE = Standard error; CI = Confidence interval;

*

p < 0.05;

**

p < 0.01;

***

p < 0.001.