Skip to main content
. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Drug Alcohol Depend. 2015 Sep 14;156:176–183. doi: 10.1016/j.drugalcdep.2015.09.007

Table 4.

Linear regression of psychological distress (n = 8839)

Variable B(SE) 95% Confidence Interval t p
Constant 14.77 (.239) 14.29 – 15.25 61.84 <.0005
Age in years −.03 (.004) −.04 – −.02 −7.85 <.0005
Gender .80 (.172) .46 – 1.15 4.67 <.0005
Marital status −.51 (.182) −.87 – −.14 −2.79 .007
Welfare status 1.92 (.194) 1.53 – 2.31 9.89 <.0005
Education level .09 (.172) −.25 – .44 0.55 .586
12-month PTSD 5.06 (.603) 3.86 – 6.27 8.39 <.0005
12-month AUD 2.36 (.578) 1.20 – 3.52 4.09 <.0005
Daily smoking 1.29 (.256) .78 – 1.80 5.03 <.0005

Model Fit F F df p

47.69 8, 52 <.0005

Note. Higher scores indicate greater psychological distress. Reference category for gender = male, marital status = unmarried, welfare status = primary income source is not welfare, education level = not highly qualified, 12-month PTSD = no diagnosis, 12-month AUD = no diagnosis, daily smoking = not a daily smoker. Bolded where alpha <.01. “Don’t know” responses were coded as missing and consequently excluded.