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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.