|
Predictor
|
Beta (95% CI)b
|
P-value
|
|---|
|
Socio-demographic variables
|
|
Gender (female)
|
0.10 (-0.22/0.340)
|
0.561
|
|
Age, years
|
-0.01 (-0.04/0.01)
|
0.248
|
|
Compulsory admission
|
-0.28 (-0.60/0.05)
|
0.100
|
|
Duration of most problematic substance use, years
|
0.02 (-0.01/0.05)
|
0.110
|
|
Follow-up variables
|
|
Abstinence in the last 30 days of follow-up
|
0.49 (0.18/0.80)
|
0.002
|
- a Mental distress was measured with the Global Score Index (GSI) of the Symptoms Checklist (SCL-90-R). Changes in mental distress were computed by subtracting the GSI determined at follow-up from the GSI determined at admission; a ‘positive score change’ refers to an improvement in mental distress
- b Unstandardized beta coefficient with 95% Confidence Interval (CI) and R2 = 0.1, derived from a multiple linear regression with simultaneous entry of variables (the "enter" method)
