Skip to main content

Table 2 Linear regression analysis shows the effect of independent variables on quality of life at baseline in patients with substance use disorder (SUD), N=195 patients a

From: Quality of life improved following in-patient substance use disorder treatment

Variable B (95% CI) P b R2 c
Age −0.01 (0.00/0.00) 0.553  
Female gender −0.03 (−0.08/0.02) 0.268  
Education (years) −0.01 (−0.02/0.05) 0.238  
Relationship status, single 0.01 (−0.04/0.06) 0.823  
Main SUD diagnosis −0.02 (−0.08/0.04) 0.532  
Severity Scores    
Injection use 0.11 (−0.38/0.06) 0.671  
Years of using most problematic substance 0.00 (0.00/0.00) 0.942  
Global Score Index: SCL-90R - GSI −0.15 (−0.18/-0.12) <0.001 39%
Compulsory hospitalization 0.02 (−0.03/0.07) 0.413  
  1. aSeven patients had missing QoL scores at intake.
  2. bP-value obtained from bivariate linear regression. Only one independent variable had P-value <0.20 in bivariate analyses.
  3. cR2= squared correlation coefficient in order to obtain a measure of explained variance.