Study Notes on Solution-Focused Group Therapy for Level 1 Substance Abusers

SOLUTION-FOCUSED GROUP THERAPY FOR LEVEL 1 SUBSTANCE ABUSERS

Authors

  • Sara A. Smock, Virginia Polytechnic Institute and State University

  • Terry S. Trepper, Purdue University Calumet

  • Joseph L. Wetchler, Purdue University Calumet

  • Eric E. McCollum, Virginia Polytechnic Institute and State University

  • Rose Ray, Purdue University Calumet

  • Kent Pierce, Purdue University Calumet

Study Overview

  • Compares Solution-Focused Group Therapy (SFGT) with traditional Problem-Focused Treatment for Level 1 substance abusers.

  • Emphasizes minimal existing outcome research on effectiveness of SFGT in treating substance abusers.

Methodology

  • Clients measured before and after treatment to assess therapeutic effectiveness.

  • Significant improvement observed in SFGT group on Beck Depression Inventory (BDI) and Outcome Questionnaire (OQ); no significant improvement in comparison group.

  • Therapist skill level and adherence to theoretical models were measured to reduce confounding variables.

Background Information

  • Substance abuse affects many individuals and families, particularly in the United States.

  • Galanter and Kleber (1994) estimated that 18% of the American population experiences some form of substance abuse in their lifetime.

  • According to the 2001 National Household Survey on Drug Abuse, 15.9 million Americans aged 12 and older reported illegal drug use the previous month.

  • Substance abuse is a primary public health concern; traditional inpatient rehabilitation methods are being replaced by outpatient programs due to cost-effectiveness issues.

Traditional Approaches vs. Solution-Focused Brief Therapy (SFBT)

  • Outpatient treatment primarily uses traditional problem-centered methods, notably based on the 12 Steps of Alcoholics Anonymous (AA).

  • Research indicates that treatment efficacy varies by client type (Institute of Medicine, 1990; Miller & Hester, 1989).

  • SFBT is a short-term intervention focusing on solutions rather than problems (de Shazer, 1988).

  • SFBT applied successfully to alcoholics and drug users by various authors (e.g., Berg & Miller, 1992).

  • Group therapy using SFBT increases clinician efficiency and builds a solution-focused environment, beneficial for individuals with substance abuse issues (Metcalf, 1998).

Substance Abuse Treatment Research

  • Research typically focuses on traditional problem-oriented approaches.

  • Many studies indicate that AA attendance post-residential treatment contributes to sustained sobriety (Miller & Hester, 1986).

  • Project MATCH compared various treatment methodologies without significant overall differences, highlighting individual traits influencing outcomes.

  • SFBT differs from motivational enhancement therapy, focusing on client goals rather than problem exploration while also addressing other life issues tied to substance abuse.

  • Limited studies confirm SFBT efficacy in substance abuse; notable findings include a markedly higher recovery rate in SFBT participants (Lambert et al., 1998).

Treatment Design

Purpose of Study
  • To assess the effectiveness of SFGT relative to traditional problem-focused therapy specifically for Level 1 substance abusers.

  • Comorbid issues like depression were also analyzed to gauge SFGT's effectiveness on coexisting conditions.

  • Central research question: Is SFGT more effective than traditional problem-focused treatment for Level 1 substance abusers?

Participants
  • 56 clients referred for substance abuse treatment at a university-based community marriage and family therapy clinic participated.

  • Random assignment to either treatment (n=27) or control groups (n=29).

  • Final participant count after treatment: 38 clients (30 men, 8 women); age range 18-50, average age 31.

  • Demographic diversity: 17 Caucasian, 11 African American, 8 Hispanic, and 2 Native American.

  • Substance use history indicated 58% had a family member with substance use issues; clients began substance use between ages 5-33, largely ages 16-18.

Study Procedures
  • All participants identified as Level 1 substance abusers as per the standards of the American Society of Addiction Medicine, necessitating outpatient treatment of no more than 9 hours per week.

  • Criteria for participation included a self-reported substance abuse issue or evidence of recent usage, non-requirement for inpatient treatment, and consent agreement.

  • Participants were predominantly referred by the local probation department or self-referred.

  • Initial assessments were completed, followed by random group assignment (SFGT or control), culminating in six group therapy sessions and post-tests.

Experimental Group: SFGT
  • Conducted by two co-therapists, graduate students from the marriage and family therapy program, rotating weekly.

  • Adherence to the SFBT model minimizes reliance on therapist-client relationship focusing on solution creation.

  • Group sessions lasted 1.5 hours with a 10-minute consultation break for therapists; all sessions were recorded for supervision and adherence evaluation.

Control Group: Traditional Treatment
  • Based on the Hazelden model series "The Primary Recovery Plan," focusing on psychoeducational methods employing 14 treatment modules.

  • Sessions aligned with SFGT duration (6 weeks); therapists remained constant throughout sessions to facilitate relationship-building.

  • All control sessions recorded for supervision.

Post-Test Evaluation
  • Conducted using standardized assessment instruments post-intervention. Assessments included:

    • Beck Depression Inventory (BDI): Effective for measuring depression levels.

    • Substance Abuse Subtle Screening Inventory (SASSI): Used for classifying substance dependence.

    • Outcome Questionnaire (OQ-45.2): Measures treatment effectiveness through interpersonal functioning and symptom distress.

    • Social Cost Measures: Evaluated aspects of employment and relationship satisfaction.

Results

Statistical Analysis
  • ANOVAs utilized to identify differences between treatment outcomes.

  • No significant differences found between groups on the BDI and OQ.

  • Notable pretest-posttest score differences for BDI and OQ were analyzed using ANCOVA to control for initial variance.

  • Significant findings revealed:

    • Treatment group showed substantial improvement in BDI scores (.002); control group did not.

    • Treatment group also exhibited significant improvement in OQ scores (.002).

    • Moderate effect sizes determined for BDI (.64) and OQ (.61), indicating clinical significance of SFGT outcomes.

Comorbid Condition Analysis
  • BDI used to correlate depression levels with substance abuse indicators; decline in depression linked to decreased substance use.

  • Notable prior research supported this correlation, linking successful depression treatment to improved substance abuse outcomes.

Outcome Questionnaire Insights
  • OQ subscales addressed symptom distress, interpersonal relations, and social role—all statistically significant improvements in the SFGT group.

  • Highlights the relationship between substance abuse and overall life satisfaction; significant improvements in the SFGT group reflect this correlation.

Discussion

  • Despite the popularity of Solution-Focused Brief Therapy, empirical research on its efficacy remains limited.

  • Current findings support SFGT’s potential effectiveness for Level 1 substance abusers, alongside preliminary empirical validation of the underlying theoretical rationale.

Therapist Skill Level & Adherence
  • Therapist rating scales indicated high reliability in measuring clinician skill; no significant differences between groups observed.

  • Adherence to treatment models was consistently followed based on the established checklists.

Effect on Depression & Social Cost
  • Depression and substance use show strong correlation; effective treatment in SFGT demonstrates potential for reducing depression alongside addiction.

  • Social cost measures revealed trends for improvement in interpersonal relationships, though statistical significance was not achieved.

Implications for Practitioners

  • SFGT is potentially effective for treating Level 1 substance abusers, yielding improvement in comorbid conditions, especially in a group therapeutic context.

  • Suggests that brief interventions are resource-efficient and impactful, suitable for substance abuse treatment provision.

  • Group dynamics enhance client interactions and support systems in recovery processes.

Conclusion

  • Preliminary findings advocate SFGT as a valuable approach for Level 1 substance abusers, demonstrating significant improvements in BDI and OQ scores in contrast to traditional methods.

  • Encourages further research into SFBT efficacy with substance abuse populations given promising initial results.