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Moleiro, C. & Beutler, L. E. (2008). Change factors in depression and substance use treatment: a longitudinal integrative model. Mental Health and Substance Use: Dual Diagnosis. 1 (1), 64-83

C. M. Moleiro and L. Beutler,  "Change factors in depression and substance use treatment: a longitudinal integrative model", in Mental Health and Substance Use: Dual Diagnosis, vol. 1, no. 1, pp. 64-83, 2008

@article{moleiro2008_1766314857651,
	author = "Moleiro, C. and Beutler, L. E.",
	title = "Change factors in depression and substance use treatment: a longitudinal integrative model",
	journal = "Mental Health and Substance Use: Dual Diagnosis",
	year = "2008",
	volume = "1",
	number = "1",
	doi = "10.1080/17523280701732414",
	pages = "64-83",
	url = "http://www.tandfonline.com/doi/abs/10.1080/17523280701732414?journalCode=rmhs20"
}

TY  - JOUR
TI  - Change factors in depression and substance use treatment: a longitudinal integrative model
T2  - Mental Health and Substance Use: Dual Diagnosis
VL  - 1
IS  - 1
AU  - Moleiro, C.
AU  - Beutler, L. E.
PY  - 2008
SP  - 64-83
SN  - 1752-3281
DO  - 10.1080/17523280701732414
UR  - http://www.tandfonline.com/doi/abs/10.1080/17523280701732414?journalCode=rmhs20
AB  - Background: While psychotherapy efficacy has been largely supported, patient change processes across time are still less clear. This is specially true for complex clinical populations, such as dually diagnosed individuals.
Aims: A Latent Growth Model was tested to describe change in depression and substance use in patients from two Randomized Clinical Trials (RTCs). The model tested the impact of the alliance and four evidence-based change principles as predictors of symptomatic change during treatment and follow-up, in addition to advancing the premise that initial treatment matching to non-diagnostic patient characteristics improved the quality of the therapeutic alliance.
Method: Patients (N = 190) completed one of five 20-session treatments, to which they were randomly assigned.
Results: A good fit was found for a quadratic change function for both outcome measures, that is, symptoms decreased in a curve shape followed by a small increase. Full predictive models yielded acceptable fit. Patients high on subjective distress at treatment-entry benefited from affective-focused interventions in terms of their substance use. Matching patient coping style (externalizing vs. internalizing) with treatment focus (symptom change vs. insight-oriented) predicted a better alliance.
Conclusions: Effects of both relationship and interventions were found, as well as their interplay.
ER  -