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Table 3 Parameter estimates of the multinomial logistic regression analyses of matching as dependent variable investigating factors affecting matching beyond the intervention

From: Patient-centered placement matching of alcohol-dependent patients based on a standardized intake assessment: process evaluation within an exploratory randomized controlled trial

 

Bivariate analyses

Multifactorial analysis

OR

95% CI

p

OR

95% CI

p

Undermatched

 Problem recognition specific

1.67

1.04 to 2.67

.034

2.35

1.06 to 5.21

.035

 Problem recognition general

1.54

0.90 to 2.61

.113

0.72

0.30 to 1.73

.469

 Desire for help

1.34

0.75 to 2.44

.309

1.17

0.39 to 3.55

.780

 Treatment readiness

0.93

0.55 to 1.58

.933

0.72

0.35 to 2.20

.775

 Age

1.04

0.99 to 1.10

.082

1.06

0.99 to 1.12

.086

 InformedA

0.70

0.17 to 2.89

.621

1.80

0.29 to 11.07

.527

 SDMA

1.16

0.29 to 4.62

.835

2.26

0.37 to 13.48

.373

 Severity of addiction

0.57

0.23 to 1.39

.213

1.34

0.39 to 4.54

.642

 Severity of psychiatric comorbidity

0.32

0.13 to 0.79

.014

0.49

0.15 to 1.61

.240

 Severity of social disintegration

0.64

0.27 to 1.52

.310

0.56

0.18 to 1.76

.319

 Number of foregoing SAT

1.21

1.06 to 1.38

.010

1.27

1.04 to 1.55

.018

 Male gender

0.83

0.36 to 1.95

.673

0.69

0.22 to 2.24

.531

 Trial site 1B

0.77

0.26 to 2.32

.642

1.05

0.23 to 5.13

.951

 Trial site 2B

1.23

0.35 to 4.31

.749

0.92

0.16 to 5.46

.931

 Trial site 3B

1.23

0.35 to 4.31

.749

2.32

0.37 to 14.58

.368

Overmatched

 Problem recognition specific

1.55

0.96 to 2.45

.071

2.35

1.08 to 5.11

.031

 Problem recognition general

1.13

0.70 to 1.84

.612

0.86

0.39 to 1.90

.702

 Desire for help

0.96

0.54 to 1.71

.888

0.85

0.27 to 2.62

.771

 Treatment readiness

1.05

0.61 to 1.80

.872

1.19

0.51 to 2.76

.684

 Age

0.99

0.95 to1.04

.646

0.99

0.95 to 1.05

.891

 InformedA

1.25

0.29 t0 5.35

.764

1.20

0.20 to 7.02

.841

 SDMA

1.05

0.24 to 4.59

.946

1.11

0.18 to 6.78

.910

 Severity of addiction

1.44

0.61 to 3.37

.404

0.97

0.32 to 2.94

.959

 Severity of psychiatric comorbidity

2.12

0.87 to 5.16

.100

1.61

0.51 to 5.04

.415

 Severity of Social Disintegration

3.22

1.12 to 9.29

.031

3.64

0.92 to 14.43

.066

 Number of foregoing SAT

0.79

0.64 to 0.99

.036

0.78

0.60 to 1.05

.054

 Male gender

3.61

1.37 to 9.52

.009

2.20

0.68 to 7.21

.190

 Trial site 1B

0.33

0.11 to 1.02

.054

0.39

0.10 to 1.68

.210

 Trial site 2B

0.88

0.27 to 2.89

.836

0.70

0.17 to 2.94

.629

 Trial site 3B

0.53

0.15 to 1.93

.334

0.51

0.10 to 2.60

.418

  1. N = 123, OR odds ratio, 95% CI 95% confidence interval, matched was used as reference category; as independent variables age, gender, trial site, MFT scales, control preferences, and the MATE dimension scores history of substance use disorder treatments, severity of the addiction, severity of psychiatric comorbidity and severity of social disintegration were included in separate bivariate analyses as well as in one multifactorial analysis; ARole preferences for either informed, shared or paternalistic decision making. Paternalistic decision making was used as reference category; CTrial site 4 was used as reference category; Goodness of fit of the multifactorial model: R2Cox&Snell = .468; R2Nagelkerke = .527 .488