Table 4 Predictors of Health-related Quality of Life change from baseline to the 3-month follow-up
Patients characteristics | ∆* SF-12 PCS N = 118 | ∆* SF-12 MCS N = 123 | ||||||
|---|---|---|---|---|---|---|---|---|
Bivariate analysis | Multivariate analysis R2 = 0.47 | Bivariate analysis | Multivariate analysis R2 = 0.40 | |||||
β/Mean | P-value | β/Mean | P-value | β/Mean | P-value | β/Mean | P-value | |
Age (years) | −0.02 | 0.84 | 0.08 | 0.47 | ||||
Gender | 0.70 | 0.89 | ||||||
Male | 3.0 | 7.3 | ||||||
Female | 2.2 | 6.9 | ||||||
Educational level | 0.15 | 0.69 | ||||||
Primary school | 7.2 | 4.6 | ||||||
Secondary school | 2.1 | 7.5 | ||||||
High school/university | 3.3 | 8.0 | ||||||
Marital status | 0.01 | 0.005 | 0.47 | |||||
Never married | 5.6 | 5.5 | 0.001 | 5.6 | ||||
Married/live with a partner | 2.8 | 4.0 | 0.02 | 8.3 | ||||
Separated/divorced/widowed | −1.1 | 0.0 | 8.6 | |||||
Occupational status | 0.4 | 0.78 | ||||||
Unemployed | 2.3 | 7.5 | ||||||
Employed | 3.7 | 6.8 | ||||||
Type of dependence | 0.17 | 0.38 | ||||||
Alcohol dependence | 1.4 | 8.4 | ||||||
Opioid dependence | 3.7 | 6.5 | ||||||
Duration of addiction (years) | 0.04 | 0.61 | −0.09 | 0.37 | ||||
Origin of the care request | 0.03 | 0.014 | 0.84 | |||||
Patient | 3.3 | 0.0 | 7.0 | |||||
Health practitioner | 3.7 | 2.1 | 0.2 | 8.5 | ||||
Justice | −4.9 | −5.9 | 0.02 | 6.4 | ||||
Comorbid axis I diagnosis | 1.0 | 0.09 | 0.26 | |||||
Yes | 2.8 | 8.7 | 0.0 | |||||
No | 2.8 | 4.9 | 2.0 | |||||
Medication initiated during the 3-month follow-up | 0.81 | 0.10 | ||||||
Yes | 3.0 | 4.9 | ||||||
No | 2.9 | 8.6 | ||||||
Change in substance use behavior at 3 months | 0.79 | 0.98 | ||||||
Yes | 2.7 | 7.2 | ||||||
No | 3.2 | 7.1 | ||||||
Self-reported health status at baseline | ||||||||
HADS depression subscale | 0.05 | 0.77 | 0.02 | 0.14 | ||||
HADS depression subscale score < 8 | 0.9 | 0.0 | 4.6 | 0.0 | ||||
HADS depression subscale score ≥ 8 | 4.0 | −0.4 | 9.7 | −3.0 | ||||
HADS anxiety subscale | 0.14 | 0.65 | ||||||
HADS anxiety subscale score < 8 | 1.0 | 6.8 | ||||||
HADS anxiety subscale score ≥ 8 | 3.5 | 7.9 | ||||||
SF-12 PCS | −0.62 | < 0.0001 | −0.6 | < 0.0001 | ||||
SF-12 MCS | −0.67 | < 0.0001 | −0.7 | < 0.0001 | ||||
EQS-C overall satisfaction score | 0.0 | 0.95 | 0.17 | 0.01 | 0.1 | 0.02 | ||