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Table 2 Multivariate Generalized Estimating Equation model for predictors of treatment satisfaction

From: Client satisfaction among participants in a randomized trial comparing oral methadone and injectable diacetylmorphine for long-term opioid-dependency

Variable TotalS i † Q1i † Q2i † Q3 i † Q4i † Q5i † Q6i † Q7 i † Q8 i †
Randomization group:
Injectable vs. Oral
1.32
(0.81-2.16)
1.05
(0.74-1.50)
1.81
(1.26-2.59)
2.40
(1.61-3.56)
1.94
(1.26-2.98)
1.14
(0.78-1.67)
2.35
(1.62-3.41)
1.16
(0.79-1.72)
2.29
(1.51-3.48)
Gender:
Male vs. Female
0.65
(0.41-1.03)
0.84
(0.58-1.21)
0.75
(0.52-1.07)
0.82
(0.56-1.20)
0.55
(0.36-0.86)
0.74
(0.51-1.09)
0.74
(0.51-1.08)
0.86
(0.60-1.25)
0.63
(0.42-0.96)
Age 0.71
(0.54-0.95)
0.99
(0.80-1.22)
0.81
(0.65-1.00)
0.69
(0.55-0.86)
0.68
(0.52-0.88)
0.74
(0.58-0.93)
0.79
(0.63-1.00)
0.75
(0.60-0.94)
0.78
(0.60-1.00)
Ethnicity:
Aboriginal vs. Non-Aboriginal
0.70
(0.41-1.20)
0.80
(0.53-1.22)
0.76
(0.50-1.15)
0.99
(0.65-1.49)
0.55
(0.34-0.89)
1.01
(0.67-1.54)
0.99
(0.63-1.55)
0.72
(0.47-1.11)
0.50
(0.31-0.81)
Site:
Vancouver vs. Montreal
0.97
(0.54-1.74)
0.72
(0.45-1.16)
1.51
(0.98-2.33)
1.31
(0.82-2.10)
2.16
(1.31-3.54)
1.19
(0.75-1.88)
1.07
(0.68-1.69)
1.00
(0.63-1.58)
1.74
(1.06-2.84)
Treatment Compliance:a
Yes vs. No
1.80
(1.08-3.01)
- 2.18
(1.51-3.12)
- 2.44
(1.60-3.72)
1.97
(1.37-2.86)
2.10
(1.45-3.03)
- 1.95
(1.29-2.94)
Treatment Response:b
Yes vs. No
- - 1.53
(1.09-2.13)
- - 1.52
(1.06-2.17)
- -  
Treatment Retention:c
Yes vs. No
- - - 2.31
(1.41-3.80)
- - - 2.15
(1.36-3.40)
 
Current Psychological Symptomsd 0.94
(0.91-0.97)
- 0.95
(0.93-0.97)
0.95
(0.93-0.97)
0.95
(0.93-0.97)
0.96
(0.94-0.98)
0.95 (0.93-0.97) 0.95 (0.93-0.97) 0.95 (0.92-0.97)
Current Physical Healthd - 0.95
(0.93-0.97)
- - - - - - -
Current Legal Situatione - - - 0.92
(0.85-0.99)
- - - - -
Current Drug Usee 0.81
(0.72-0.92)
0.96
(0.93-0.99)
- 0.79
(0.71-0.87)
0.89
(0.80-0.99)
0.90
(0.82-1.00)
0.85
(0.78-0.94)
0.81
(0.74-0.89)
-
Family/Social Relationse - - - - - - - - 0.90
(0.82-0.99)
Heroin Use at Baselinef - - - - - 0.96
(0.94-0.99)
- - -
  1. Refers to CSQ-8 (TotalS: Total Satisfaction score; Q1: How would you rate the quality of service received; Q2: Did you get the kind of service you wanted; Q3: To what extent has our program met your needs; Q4: If a friend were in need of similar help, would you recommend our program to him or her; Q5: How satisfied are you with the amount of help you have received; Q6: Have the services you received helped you to deal more effectively with your problems; Q7: In an overall, general sense, how satisfied are you with the service you have received; Q8: If you were to seek help again, would you come back to our program?)
  2. i Odds Ratio (95% Confidence Interval). P values highlighted: p ≤ 0.05
  3. (a) Retention to allocated treatment: at least 20 out of prior 30 days;
  4. (b) Treatment response defined as improvement of at least 20% in Drug and/or Legal EuropASI composite scores, with no deterioration higher than 10% in more than one of the remaining composite scores;
  5. (c) Retention to addiction treatment or abstinent: at least 10 out of prior 14 days;
  6. (d) MAP (Maudsley Addiction Profile) in the prior month. Scores range from 0 to 40; higher scores are indicative of more severe problems. Higher scores are indicative of more severe problems;
  7. (e) EuropASI (European version of the Addiction Severity Index) in the prior month. Sub-scale scores range from 0 to 1; higher scores are indicative of more severe problems;
  8. (f) In the prior 30 days.