Screening and brief intervention with adolescents with risky alcohol use in school-based health centers: A randomized clinical trial of the Check Yourself tool

Project ASPIRE: A feasibility randomized controlled trial of a brief intervention for reducing risk of depression and alcohol-related harms among South African adolescents

OBJECTIVE

Brief interventions could reduce adolescents' risk of depression and alcohol-related harms, but evidence of their feasibility and acceptability for low-and middle-income countries is lacking. To address this gap, we conducted a feasibility trial of the ASPIRE intervention, a four-session multi-component counselling intervention for South African adolescents.

METHOD

We recruited 117 adolescents who met our inclusion criteria. Participants were randomly assigned to the ASPIRE intervention or a comparison condition. Outcomes were assessed at baseline, six-week, and three-month post-randomization time points. Primary outcomes were based on feasibility of study procedures and intervention delivery (assessed on seven predetermined progression criteria). Clinical outcomes (risk of depression and alcohol harms) were secondary.

RESULTS

Despite modifications to all study procedures arising from Covid-19 restrictions, five of the seven key progression criteria were fully met, including: feasibility of data collection and outcome measures, counsellor competencies, randomization and blinding, adverse advents, and acceptability of the intervention. The progression criterion for recruitment and intervention retention were not fully met.

CONCLUSION

Findings suggest that the ASPIRE intervention was generally feasible to deliver and acceptable to adolescents. However, modifications to the trial design and intervention delivery are needed to optimize the validity of a definitive randomized controlled trial of the ASPIRE intervention.

Screening, brief intervention, and referral to treatment (SBIRT) for cannabis: A scoping review

INTRODUCTION

Screening, brief intervention, and referral to treatment (SBIRT) has been used to change substance use behavior. Despite cannabis being the most prevalent federally illicit substance, we have limited understanding of use of SBIRT for managing cannabis use. This review aimed to summarize the literature on SBIRT for cannabis use across age groups and contexts over the last two decades.

METHODS

This scoping review followed the a priori guide outlined by the PRISMA (Preferred Reporting Items for Scoping Reviews and Meta-Analyses) statement. We gathered articles from PsycINFO, PubMed, Sage Journals Online, ScienceDirect, and SpringerLink.

RESULTS

The final analysis includes forty-four articles. Results indicate inconsistent implementation of universal screens and suggest screens assessing cannabis-specific consequences and utilizing normative data may increase patient engagement. Broadly, SBIRT for cannabis demonstrates high acceptability. However, the impact of SBIRT on behavior change across various modifications to intervention content and modality has been inconsistent. In adults, patients with primary cannabis use are not engaging in recommended treatment at similar rates to other substances. Results also suggest a lack of research addressing referral to treatment in adolescents and emerging adults.

DISCUSSION

Based on this review, we offer several to improve each component of SBRIT that may increase implementation of screens, effectiveness of brief interventions, and engagement in follow-up treatment.

Rates, Patterns, and Predictors of Follow-up Care for Adolescents at Risk for Substance Use Disorder in a School-Based Health Center SBIRT Program

PURPOSE

To examine rates, patterns, and predictors of follow-up care for adolescents screened as being at risk for substance use disorder (SUD) in a school-based health center (SBHC) Screening, Brief Intervention and Referral to Treatment (SBIRT) program.

METHODS

Electronic health records were extracted of adolescents who received health care services from one of three high school-based health centers implementing SBIRT. Patterns and predictors of engagement in follow-up care within 8 weeks following the week of a positive SUD risk screen were analyzed using item response theory (IRT) modeling.

RESULTS

Out of 1,327 adolescents receiving SBHC services, 81.2% completed a health screening questionnaire. Of screened adolescents, 17.7% were positive for SUD risk. Across the 8-week follow-up period, 65.4% of adolescents at risk for SUD received at least one follow-up visit. IRT modeling indicated that high levels of engagement in follow-up care were characterized by contact with a behavioral health care (BHC) provider. The percentage of adolescents having follow-up contact with a BHC provider increased significantly after the onset of the COVID-19 pandemic. Engagement in follow-up care was predicted by risk for depression, history of suicidal behavior, being female, and previous sexual activity.

DISCUSSION

SBHCs provide a favorable setting for screening and detecting adolescents at risk for SUD. Adolescents at risk for SUD should receive follow-up contact with a BHC provider. Enhanced follow-up engagement efforts may be warranted for adolescents at risk for SUD without risk for depression or suicidal history, as well as for females and those with previous sexual activity.

Screening and Brief Intervention With Low-Income Youth in Community-Based Settings

PURPOSE

We described screening, brief intervention, and referral to treatment (SBIRT) results and assessed whether SBIRT is associated with positive changes in substance use, risky use, and educational/employment outcomes for youth in community-based settings that are not healthcare focused.

METHODS

YouthBuild USA serves youth of ages 16-24 who are neither in school nor employed. In an SBIRT intervention, youth completed substance use surveys and Alcohol Use Disorders Identification Test and Drug Abuse Screening Test screenings at entry and program completion. Staff reported on services provided in response to screening scores. Regression models compared changes in youth screening results and substance use from intake to follow-up and, with aggregate program-level data, youth outcomes across programs with and without the SBIRT intervention.

RESULTS

Youth significantly reduced Alcohol Use Disorders Identification Test (3.1 vs. 2.3, p < .001) and Drug Abuse Screening Test (1.9 vs. 1.4, p < .001) scores, positive screens (64% vs. 54%, p < .001), and need for referrals to treatment (48% vs. 37%, p < .001), indicating less risky substance use, although self-reports of substance use in the past 30 days did not decrease. Proportionately more youth in SBIRT programs attained a high school diploma or equivalent (49% vs. 42%, p = .01) and were still in educational/job placements 3 months after program completion (67% vs. 59%, p = .02), compared to youth in non-SBIRT programs.

DISCUSSION

These findings suggest that community-based SBIRT is associated with positive outcomes-both reduced risky substance use and improved education and employment-that relate to longer-term positive development for youth. SBIRT appears to be an evidence-based approach to intervene and help youth.

Youth-Reported School Connection and Experiences of a Middle School-Based Screening, Brief Intervention, and Referral to Treatment Initiative: Preliminary Results From a Program Evaluation

PURPOSE

This study aimed (1) to evaluate the feasibility of a school-based Screening, Brief Intervention, and Referral to Treatment (SBIRT) program that expands on traditional SBIRT to support the mental health and well-being of middle school students and (2) to assess its effects on students' connection with adults at school.

METHODS

Focus group discussions were conducted with 26 students in grades 6-8 to understand student perspectives about an innovative school-based SBIRT program. A subset of middle school students from the SBIRT program who received a brief intervention (BI) after screening (n = 116) were asked to rate their experience meeting with the interventionist in terms of feeling comfortable, feeling listened to, and talking about their goals. Additionally, these students' ratings of connection to adults at school was compared from the time of screening (baseline) to following BI using two-sided paired t-tests.

RESULTS

Students who participated in focus groups expressed favorable opinions about universal screening and this school-based SBIRT model and noted that relationship building with adults at school was an important factor for open communication and motivating behavior change for students. Nearly all students who completed the post-BI survey rated their experiences with interventionists during BI as "Excellent," "Very Good," or "Good" in all categories (98%). Students' reported mean school connection scores significantly higher after participation in school-based SBIRT than at baseline (5.9/8 vs. 7.0/8, p < .001).

DISCUSSION

Middle school students were satisfied with the school-based SBIRT model and participation in the program resulted in increased student connection with adults at school. These findings improve our understanding of the experience of SBIRT intervention with middle school students and on school connection in particular.

Mapping key components of community-oriented strategies to facilitate alcohol-related early identification and brief intervention in general practice: a scoping review

Hazardous alcohol use is one of the leading risk factors for morbidity and mortality in the world. Early identification and brief interventions (EIBIs) delivered in primary care is an effective but underutilized strategy to address this issue. Community-oriented strategies (COS) are suggested to facilitate EIBI delivery. COS are public health activities directed to the general population raising awareness and encouraging behaviour change. Unfortunately, it remains unclear what these COS should comprise and what their added value might be in EIBI delivery. To map the available information on COS aiming to facilitate alcohol-related EIBI delivery in general practice. A scoping review, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Scoping reviews guidelines, was used to map both grey and peer-reviewed literature. Of the 6586 information sources screened, 8 sources were retained in this review. Three COS are currently described in the literature, all with their different components. They include the use of mass media, self-assessment tools and waiting room actions. Waiting room actions comprising audio recordings or computerized self-assessment tools significantly increase the discussion on alcohol use in primary care. The effect of mass media and community-wide self-assessment tools on EIBI delivery remains to be determined. Currently, the described COS lack empirical justification to motivate their added value in facilitating EIBI delivery. However, a theoretical reflection showed the use of a limited set of behaviour change techniques, which might support the use of COS. There remains a lot of possible strategies to explore. This review highlights the current evidence gap and discusses the next steps.

Sexually Transmitted Infection Testing After Brief Intervention for Risk Behaviors in School-Based Health Centers

PURPOSE

The initiation and escalation of substance use and sex behaviors is prevalent during adolescence. School-based health centers (SBHCs) are well-equipped to provide interventions for risky behaviors and offer sexually transmitted infection (STI) testing services. This study examined receipt of STI testing following brief intervention (BI) among sexually active adolescents.

METHODS

This is a secondary analysis of data from a randomized trial comparing computer versus nurse practitioner-delivered BI approaches among adolescents (ages 14-18) with risky alcohol and/or cannabis use at two SBHCs within two urban high schools. Associations were examined among receipt of STI testing and participant characteristics, BI format, site, and frequency of substance use/sexual behaviors.

RESULTS

Among sexually active participants (N = 254), 64.2% received STI testing at their SBHC within 6 months of receiving a BI. Participants receiving nurse practitioner-delivered BI had higher odds of getting STI testing than participants receiving computer-delivered BI (adjusted odds ratio 2.51, 95% confidence interval 1.41-4.47, p = .002). Other variables associated with STI testing in multivariable logistic regression included female sex (p = .001), being in a serious relationship (p = .018), and SBHC site (p < .001). Frequency of substance use and sexual risk behaviors were not independently associated with receipt of STI testing services.

CONCLUSION

Sexually active adolescents who received in-person BI from a nurse practitioner were more likely to get STI testing than adolescents who received BI via computer. Nurse practitioners working in SBHCs can successfully engage adolescents in additional sexual health services subsequent to BI for risky behaviors.

Addressing adolescent substance use in an urban pediatric federally qualified health center

OBJECTIVE

Screening, brief intervention, and referral to treatment (SBIRT) is a systematic approach to identification and intervention for individuals at risk for substance use disorders. Prior research indicates that SBIRT is underutilized in pediatric primary care. Yet few studies have examined procedures for identifying and addressing substance use in clinics that serve publicly insured adolescents (i.e., federally qualified health centers [FQHC]). This descriptive, multi-method study assessed adolescent substance use frequency and provider perspectives to inform SBIRT implementation in an urban pediatric FQHC in California.

METHODS

A medical record review assessed substance use frequency and correlates among publicly insured adolescents aged 12-17 years who completed a well-child visit in pediatric primary care between 2014 and 2017 (N = 2252). Data on substance use (i.e., alcohol, illicit drugs, and tobacco) were from a health assessment tool mandated by Medicaid. Semi-structured interviews with 12 providers (i.e., pediatricians, nurse practitioners, behavioral health clinicians) elicited information about the current clinic workflow for adolescent substance use and barriers and facilitators to SBIRT implementation.

RESULTS

Of 1588 adolescents who completed the assessment (70.5%), 6.8% reported current substance use. Self-reported use was highest among non-Hispanic Black (15.2%) adolescents and those with co-occurring depressive symptoms (14.4%). Provider-reported challenges to implementing SBIRT included a lack of space for confidential screening and a lack of referral options. Providers favored implementing technology-based tools such as tablets for adolescent pre-visit screening and electronic medical record-based decision support to facilitate brief intervention and treatment referrals.

CONCLUSIONS

This study fills a substantial research gap by examining factors that impede and support SBIRT implementation in pediatric FQHC settings. Successful SBIRT implementation in these settings could significantly reduce the unmet need for substance use treatment among uninsured and publicly insured adolescents. Pediatric primary care and urgent care providers perceived SBIRT to be feasible, and health information and digital technologies may facilitate the integration of SBIRT into clinic workflows. Ensuring confidentiality for screening and expanding referral options for adolescents in need of community-based addiction treatment are also critical to increasing SBIRT uptake.

Community involvement facilitating the discussion of alcohol use in primary care: A nominal group study

Background

Hazardous alcohol use significantly affects health and wellbeing in society. General practitioners (GPs) are uniquely positioned to address this problem by integrating early identification and brief intervention (EIBI) in daily practice. Unfortunately, EIBI implementation remains low. Community-oriented strategies (COS), defined as public health activities directed to the general population, are suggested to address this implementation gap. COS aim to increase the understanding, engagement and empowerment within the population to facilitate EIBI delivery. However, no consensus on what COS should contain exists.

Objectives

To obtain insight in the stakeholders’ perspectives and create consensus with them on COS with the highest potential to facilitate EIBI delivery.

Methods

Four nominal group sessions were conducted with 31 stakeholders representing 12 different stakeholder groups from Leuven (Belgium). Stakeholders generated ideas, reflected on them in group and prioritised them anonymously, creating four separate lists. Merging these lists with their relative scores resulted in a master list, which was checked for accuracy through a member check. Qualitative content analysis on the stakeholder’s notes provided an in-depth exploration of their perspectives.

Results

Twenty-one strategies were identified, nine of which were COS. Highlighting the GPs’ proactive role was considered most relevant. Other foci included creating awareness on the effects of alcohol use and normalising discussing alcohol use within the community. A holistic approach, exceeding the sole focus on COS, combining community, healthcare and government was accentuated.

Conclusion

Stakeholders emphasise addressing the proactive role of GPs as most promising COS, though it should be delivered within a holistic multi-component approach.

Addressing the mental health needs of adolescents in South African communities: a protocol for a feasibility randomized controlled trial

BACKGROUND

Like many low- and middle-income countries, almost half of the proportion of the South African population is under the age of 25. Given the peak age of onset for most mental health problems is in adolescence, it is vital that adolescents have access to mental health counselling. There are several initiatives to increase access to mental health counselling in South Africa, primarily through the integration of counselling for common mental disorders (CMD) into primary health care services, but adolescents (15-18 years of age) generally do not utilize these services. To address this gap, we will undertake a study to explore the feasibility of conducting a trial of the effectiveness of a community-based mental health counselling intervention for adolescents at-risk for a CMD.

METHODS

The study is a feasibility trial of the ASPIRE intervention, a four-session blended multi-component counselling intervention adapted for South African adolescents at risk for depression and alcohol use disorders. We will enrol 100 adolescents from community settings and randomly assign them to the ASPIRE intervention or a comparison condition. Feasibility measures, such as rates of recruitment, consent to participate in the trial and retention, will be calculated. Qualitative interviews with participants and counsellors will explore the acceptability of the intervention. The primary outcomes for a subsequent trial would be reductions in symptoms of depression and days of heavy drinking which will be measured at baseline, 6 weeks, and 3 months post-randomization.

DISCUSSION

This feasibility trial using a mixed-methods design will allow us to determine whether we can move forward to a larger effectiveness trial of the ASPIRE intervention.

TRIAL REGISTRATION

The trial is registered with the Pan African Clinical Trials Registry (PACTR20200352214510). Registered 28 February 2020-retrospectively registered, https://pactr.samrc.ac.za/TrialDisplay.aspx?TrialID=9795.

Electronic Health Risk Behavior Screening With Integrated Feedback Among Adolescents in Primary Care: Randomized Controlled Trial

BACKGROUND

Health risk behaviors are the most common sources of morbidity among adolescents. Adolescent health guidelines (Guidelines for Preventive Services by the AMA and Bright Futures by the Maternal Child Health Bureau) recommend screening and counseling, but the implementation is inconsistent.

OBJECTIVE

This study aims to test the efficacy of electronic risk behavior screening with integrated patient-facing feedback on the delivery of adolescent-reported clinician counseling and risk behaviors over time.

METHODS

This was a randomized controlled trial comparing an electronic tool to usual care in five pediatric clinics in the Pacific Northwest. A total of 300 participants aged 13-18 years who attended a well-care visit between September 30, 2016, and January 12, 2018, were included. Adolescents were randomized after consent by employing a 1:1 balanced age, sex, and clinic stratified schema with 150 adolescents in the intervention group and 150 in the control group. Intervention adolescents received electronic screening with integrated feedback, and the clinicians received a summary report of the results. Control adolescents received usual care. Outcomes, assessed via online survey methods, included adolescent-reported receipt of counseling during the visit (measured a day after the visit) and health risk behavior change (measured at 3 and 6 months after the visit).

RESULTS

Of the original 300 participants, 94% (n=282), 94.3% (n=283), and 94.6% (n=284) completed follow-up surveys at 1 day, 3 months, and 6 months, respectively, with similar levels of attrition across study arms. The mean risk behavior score at baseline was 2.86 (SD 2.33) for intervention adolescents and 3.10 (SD 2.52) for control adolescents (score potential range 0-21). After adjusting for age, gender, and random effect of the clinic, intervention adolescents were 36% more likely to report having received counseling for endorsed risk behaviors than control adolescents (adjusted rate ratio 1.36, 95% CI 1.04 to 1.78) 1 day after the well-care visit. Both the intervention and control groups reported decreased risk behaviors at the 3- and 6-month follow-up assessments, with no significant group differences in risk behavior scores at either time point (3-month group difference: β=-.15, 95% CI -0.57 to -0.01, P=.05; 6-month group difference: β=-.12, 95% CI -0.29 to 0.52, P=.57).

CONCLUSIONS

Although electronic health screening with integrated feedback improves the delivery of counseling by clinicians, the impact on risk behaviors is modest and, in this study, not significantly different from usual care. More research is needed to identify effective strategies to reduce risk in the context of well-care.

TRIAL REGISTRATION

ClinicalTrials.gov NCT02882919; https://clinicaltrials.gov/ct2/show/NCT02882919.

Computer- vs. nurse practitioner-delivered brief intervention for adolescent marijuana, alcohol, and sex risk behaviors in school-based health centers

BACKGROUND

This study examined approaches to delivering brief interventions (BI) for risky substance use and sexual behaviors in school-based health centers (SBHCs).

METHODS

300 Adolescents (ages 14-18; 54 % female) with risky marijuana and/or alcohol use identified via CRAFFT screening (scores >1) were recruited from two SBHCs and randomized to computer-delivered BI (CBI) or nurse practitioner-delivered BI (NBI). Both BIs included motivational and didactic content targeting marijuana, alcohol, and risky sexual behaviors. Assessments at baseline, 3-month, and 6-month follow-up included past 30-day frequency of marijuana use, alcohol use, binge drinking, unprotected sex, and sex while intoxicated; marijuana and alcohol problems; and health-related quality-of-life (HRQoL). A focused cost-effectiveness analysis was conducted. An historical 'assessment-only' cohort (N=50) formed a supplementary quasi-experimental comparison group.

RESULTS

There were no significant differences between NBI and CBI on any outcomes considered (e.g., days of marijuana use; p=.26). From a cost-effectiveness perspective, CBI was 'dominant' for HRQoL and marijuana use. Participants' satisfaction with BI was significantly higher for NBI than CBI. Compared to the assessment-only cohort, participants who received a BI had lower frequency of marijuana (3-months: Incidence Rate Ratio [IRR] = .74 [.57, .97], p=.03), alcohol (3-months: IRR = .43 [.29, .64], p<.001; 6-months: IRR = .58 [.34, .98], p = .04), alcohol-specific problems (3-months: IRR = .63 [.45, .89], p=.008; 6-months: IRR = .63 [.41, .97], p = .04), and sex while intoxicated (6-months: IRR = .42 [.21, .83], p = .013).

CONCLUSIONS

CBI and NBI did not yield different risk behavior outcomes in this randomized trial. Supplementary quasi-experimental comparisons suggested potential superiority over assessment-only. Both NBI and CBI could be useful in SBHCs.

Brief Behavioral Interventions for Substance Use in Adolescents: A Meta-analysis

CONTEXT

Adolescents with problematic substance use (SU) are at risk for far-reaching adverse outcomes.

OBJECTIVE

Synthesize the evidence regarding the effects of brief behavioral interventions for adolescents (12-20 years) with problematic SU.

DATA SOURCES

We conducted literature searches in Medline, the Cochrane Central Register of Controlled Trials, Embase, Cumulative Index to Nursing and Allied Health Literature, and PsycInfo through October 31, 2019.

STUDY SELECTION

We screened 33 272 records and citations for interventions in adolescents with at least problematic SU, retrieved 1831 articles, and selected 22 randomized controlled trials of brief interventions meeting eligibility criteria for meta-analysis.

DATA EXTRACTION

We followed Agency for Healthcare Research and Quality guidelines. We categorized brief interventions into components, including motivational interviewing (MI), psychoeducation, and treatment as usual. Outcomes included SU (abstinence, days used per month) for alcohol and cannabis, and substance-related problem scales. Strength of evidence (SoE) was assessed.

RESULTS

Both pairwise and network meta-analyses were conducted by using random effects models. Compared to treatment as usual, the use of MI reduces heavy alcohol use days by 0.7 days per month (95% credible interval [CrI]: -1.6 to 0.02; low SoE), alcohol use days by 1.1 days per month (95% CrI -2.2 to -0.3; moderate SoE), and overall substance-related problems by a standardized net mean difference of 0.5 (95% CrI -1.0 to 0; low SoE). The use of MI did not reduce cannabis use days, with a net mean difference of -0.05 days per month (95% CrI: -0.26 to 0.14; moderate SoE).

LIMITATIONS

There was lack of consistently reported outcomes and limited available comparisons.

CONCLUSIONS

The use of MI reduces heavy alcohol use, alcohol use days, and SU-related problems in adolescents but does not reduce cannabis use days.

Substance Use Screening, Brief Intervention, and Referral to Treatment in Pediatric Practice: A Quality Improvement Project in the Maryland Adolescent and Young Adult Health Collaborative Improvement and Innovation Network

The American Academy of Pediatrics recommends pediatric providers routinely screen for, assess, and treat substance use and substance use disorders among adolescents, a process called "Screening, Brief Intervention, and Referral to Treatment," or "SBIRT." Because there are limited data on how Maryland pediatric practices have adopted SBIRT, a quality improvement initiative was developed within the Maryland Adolescent and Young Adult Health Collaborative Improvement and Innovation Network using a "Plan/Do/Study/Act" approach. A 2-part provider training was conducted regarding screening and motivational interviewing, and the "CRAFFT" screening tool was integrated into the practice's electronic medical record. Results from evaluation demonstrated significant improvements in provider knowledge, attitudes, and screening behavior. The association between substance use and sexual behavior suggests a need for further expansion of this model with inclusion of sexual health screening. Overall, this study demonstrates that SBIRT implementation into a general pediatric practice is highly feasible, acceptable, and shows preliminary effectiveness.

Technology-Delivered Interventions for Substance Use Among Adolescents

Unhealthy alcohol and drug use are common among adolescents. A range of evidence-based interventions are available, but are rarely accessed by adolescents because of barriers such as cost, limited dissemination, lack of motivation to change, and logistical obstacles such as lack of transportation. Technology-delivered approaches may facilitate receipt of treatment in this vulnerable population. The limited number of controlled trials in this area present a mixed picture in terms of efficacy. Although sufficient to merit close attention and expanded research, the current literature points to a strong need for larger samples and greater use of rigorous and replicable methods.

Public Schools' Identification and Management of Underage Alcohol Use: A Qualitative Study

Objectives

The objective of this qualitative study was to investigate how public schools in the Miami-Dade County School District identify and manage students' underage alcohol use and to explore the benefits and challenges of systematic screening for underage alcohol use in district schools.

Methods

Face-to-face interviews were conducted with 16 school officials directly responsible for addressing underage alcohol use incidents at district middle and high schools. These individuals included assistant principals, guidance counselors, social workers and school-based health care professionals. A grounded-theory approach was used to code and synthesize informants' responses.

Results

No informants reported systematic screening for underage alcohol use at their schools, although their middle and high schools employed a range of intervention strategies. Emergent themes reflected common ways by which students using alcohol were identified, factors influencing underage alcohol use, and barriers to screening intervention implementation. Lack of access to acute intoxication events, differing policies across schools, inadequate resources, and reliance on administrator discretion rather than explicit policy mandates appear to undermine the development of consistent strategies for addressing suspected or reported underage alcohol use.

Conclusion

Public schools may serve as key implementation contexts for future universal or selected screening initiatives to identify and manage cases of underage alcohol use. The benefits and challenges perceived by school staff and administrators - especially for implementing consistent policies across schools - are critical to the development of acceptable, feasible, and sustainable alcohol screening initiatives.

Changes in peer norms as a mediator of reduction in adolescent alcohol use

Background: Evidence from college samples suggests that changes in peer norms (perception about peer use) mediate changes in alcohol use. There is relatively little intervention-based research in adolescents. Objectives: To investigate whether changes in peer norms mediate the relationship between a brief intervention to reduce alcohol use, and level of use; additionally, to determine whether any mediation effects differ by adolescent age. Methods: Eighty-four adolescents aged 14-18 (Mean = 16.49, SD = 1.00), presenting to school-based health centers with moderate to high risk alcohol use were randomized to receive an electronic screening and feedback tool (Check Yourself) in addition to their visit, or their visit alone. Check Yourself includes provision of normative feedback regarding adolescent alcohol use. Measures of self-reported alcohol use, and peer norms were collected at baseline and 2-month follow-up. Results: Changes in perceptions of the proportion of peers using alcohol significantly mediated the relationship between the intervention and all three alcohol outcomes (frequency, typical quantity, and maximum quantity) such that reductions in perceived peer use were associated with reduced use. Moderated mediation suggested that these effects were stronger for younger adolescents compared with older adolescents. Perceptions of the frequency and quantity of peer use were not significant mediators of alcohol use. Conclusions/Importance: Results suggest that integrating normative feedback regarding peer alcohol use is a promising approach in adolescent focused school interventions. They extend previous findings by suggesting that perceptions of the proportion of peers using may be particularly meaningful, and that effects may be more pronounced in younger adolescents.