The role of therapist MI skill and client change talk class membership predicting dual alcohol and sex risk outcomes

Objective We investigated the technical model of motivational interviewing (MI) in a dual‐outcome intervention (i.e., alcohol, sexual risk; N = 164; 57% female). Method We identified latent classes of client change statements, based on the proportion of change talk (CT) over the session. We then exa...

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Bibliographic Details
Published in:	Journal of clinical psychology Vol. 75; no. 9; pp. 1527 - 1543
Main Authors:	Janssen, Tim, Magill, Molly, Mastroleo, Nadine R., Laws, M. Barton, Howe, Chanelle J., Walthers, Justin W., Monti, Peter M., Kahler, Christopher W.
Format:	Journal Article
Language:	English
Published:	United States Wiley Periodicals Inc 01-09-2019
Subjects:	Alcohol Alcohol use change talk Latent class analysis motivational interviewing sexual risk behavior sustain talk Therapists sustain talk motivational interviewing latent class analysis alcohol use sexual risk behavior change talk
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Summary:	Objective We investigated the technical model of motivational interviewing (MI) in a dual‐outcome intervention (i.e., alcohol, sexual risk; N = 164; 57% female). Method We identified latent classes of client change statements, based on the proportion of change talk (CT) over the session. We then examined whether outcomes were related to CT class, and whether the relations between MI skill and outcomes varied by CT class. Results We found three classes of alcohol‐CT and two classes of sexual risk‐CT. While CT class membership did not predict outcomes directly, greater therapist MI‐consistent skill was associated with fewer heavy drinking days in the increasing alcohol‐CT class. For sexual risk outcomes, therapist MI‐consistent skill was associated with reduced odds of condomless sex for the low sexual risk‐CT class. Conclusions The relation of therapist MI consistency to outcomes appears to be a function of client CT during the session.
ISSN:	0021-9762 1097-4679
DOI:	10.1002/jclp.22798