Introduction Although American Indians/Alaska Natives (AI/ANs) have exhibited high rates of alcohol and drug use disorders, there is a paucity of substance use disorder treatment outcome research. In addition, there exists controversy about whether evidence-based treatments (EBTs) are culturally appropriate given they were derived mainly by and for non-Hispanic White populations and do not explicitly include aspects of AI/AN culture and worldview. Methods In this pilot study, we collaboratively culturally adapted two EBTs, Motivational Interviewing and Community Reinforcement Approach (MICRA), and evaluated substance use and psychological outcomes at 4- and 8-months post baseline assessment. In preparation for a larger randomized clinical trial (RCT), eight tribal members (75% male) participated in this pilot treatment study. Measures included substance use, urine screens, self-efficacy, psychological distress, and hopelessness. All participants completed follow-up assessments at 4- and 8-months. Due to small sample size, effect sizes were calculated to evaluate outcomes pre- and post-treatment. Results Despite high rates of abstinence at baseline, percent days abstinent (PDA) increased at the 8-month time point for the most commonly used substances (alcohol, Hedges’s g = 0.59, and marijuana, g = 0.60) and for all substances combined (excluding tobacco, g = 0.56). Improvements in psychological distress (g = −0.66) and 5 of the 7 Addiction Severity Index domains (range of g = −0.42 to −0.98) also emerged. Conclusions Results suggest that culturally adapted EBTs yield significant improvements in alcohol use, psychological distress, and legal problems among AI/ANs. Future research using RCT methodology is needed to examine efficacy and effectiveness.
AI/ANs experience SUD-related health disparities. Understanding what factors contribute to positive treatment outcomes can help to address these disparities.
Racial and ethnic disparities in the treatment of addiction have been acknowledged for several years, yet little is known about which empirically supported treatments for substance use disorders are more or less effective in treating racial and ethnic minority clients. The current study was a secondary analysis of a randomized clinical trial of two evidence-based treatments, mindfulnessbased relapse prevention (MBRP) and relapse prevention (RP), as part of a residential addiction treatment program for women referred by the criminal justice system (n = 70). At 15-week followup, regression analyses found that racial and ethnic minority women in MBRP, compared to nonHispanic and racial and ethnic minority women in RP, reported significantly fewer drug use days (d = .31) and lower addiction severity (d = .65), based on the Addiction Severity Index. Although the small sample size is a limitation, the results suggest that MBRP may be more efficacious than traditional treatments for racial and ethnic minority women.
Background and Aims Many evidence‐based treatments (EBTs) for substance use disorder (SUD) exist, yet few are tailored to Indigenous patients. This trial tested the efficacy of a culturally tailored EBT that combined Motivational Interviewing and the Community Reinforcement Approach (MICRA) versus treatment as usual (TAU). Design A mixed efficacy/effectiveness randomized controlled trial of MICRA (n = 38) and TAU (n = 41) using a parallel design with follow‐up assessments at 4‐, 8‐, and 12‐ months post baseline. Setting United States, reservation‐based outpatient, addiction specialty care treatment program. Participants 79 (68% male) American Indian and Alaska Native (AI/AN) Tribal members meeting criteria for SUD and seeking SUD treatment. Interventions MICRA (individual therapy sessions beginning with MI for 2–3 sessions) compared with TAU (individual and group counseling sessions in a didactic style with Twelve‐Step philosophy and elements of relapse prevention). Measures Demographics, percent days abstinent (PDA; the primary outcome at 12months assessed by Form 90D), Inventory of Drug Use Consequences, Alcohol and Drug Use Self‐Efficacy Scale, Native American Spirituality Scale, and SCID‐DSM‐IV‐TR. Findings There was no evidence for the benefit of MICRA over TAU (MICRA PDA = 72.63%, TAU = 73.62%, treatment effect: B = −4.04 (SE = 5.47); 95% CI = −14.941, 6.866; BF = 3.44) in the primary outcome. Both groups showed improvements in PDA, SUD severity, and negative consequences from baseline to the 12‐month follow‐up. Neither self‐efficacy nor spirituality were significant mediators of MICRA. Conclusions There were no treatment group differences between culturally tailored evidence‐based treatments for substance use disorder and treatment as usual in this randomized controlled trial with American Indian and Alaska Native participants. Nonetheless, participants improved over time on several substance‐related outcomes.
Working the 12 steps is widely prescribed for Alcoholics Anonymous (AA) members although the relative merits of different methods for measuring step-work have received minimal attention and even less is known about how step-work predicts later substance use. The current study (1) compared endorsements of step-work on an face-valid or direct measure, the Alcoholics Anonymous Inventory (AAI), with an indirect measure of step-work, the General Alcoholics Anonymous Tools of Recovery (GAATOR), (2) evaluated the underlying factor structure of the GAATOR and changes in step-work over time, (3) examined changes in the endorsement of step-work over time, and (4) investigated how, if at all, 12-step-work predicted later substance use. New AA affiliates (N = 130) completed assessments at intake, 3, 6, and 9 months. Significantly more participants endorsed step-work on the GAATOR than on the AAI for nine of the 12 steps. An exploratory factor analysis revealed a two-factor structure for the GAATOR comprising Behavioral Step-Work and Spiritual Step-Work. Behavioral Step-Work did not change over time, but was predicted by having a sponsor, while Spiritual Step-Work decreased over time and increases were predicted by attending 12-step meetings or treatment. Behavioral Step-Work did not prospectively predict substance use. In contrast, Spiritual Step-Work predicted percent days abstinent, an effect that is consistent with recent work on the mediating effects of spiritual growth, AA, and increased abstinence. Behavioral and Spiritual Step-Work appear to be conceptually distinct components of step-work that have distinct predictors and unique impacts on outcomes.
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