Effectiveness and feasibility of a motivational interviewing intake (MII) intervention for increasing client engagement in outpatient addiction treatment: an effectiveness-implementation hybrid design protocol.

"Declarations Ethics approval and consent to participateAll study procedures were approved by the University of New Mexico’s Institutional Review Board and the clinical trial is registered with clinicaltrials.gov (NCT05489068). Consent for publicationNot applicable. Competing interestsTBM and KLV have private consulting businesses where they provide consultation and training in evidence-based treatments, including Motivational Interviewing. The other authors declare that they have no competing interests. Competing interests TBM and KLV have private consulting businesses where they provide consultation and training in evidence-based treatments, including Motivational Interviewing. The other authors declare that they have no competing interests."

"Funding This work was supported by the National Institute on Drug Abuse (NIDA) under Grant K23DA052646 (PI: Hurlocker)."

"Trial registration  Clinicaltrials.gov identifier: NCT05489068"