Service to Others in Sobriety (SOS)

1. Abstract

The Service to Others in Sobriety (SOS) scale is a specialized, psychometrically validated instrument engineered to quantify Alcoholics Anonymous-related helping (AAH) and reciprocal prosocial behaviors among individuals recovering from substance use disorders. While mutual-help organizations such as Alcoholics Anonymous (AA) have long espoused altruism, Twelfth-Step work, and fellowship service as central mechanisms of behavior change, empirical addiction literature historically suffered from a lack of standardized, granular measurement tools isolating these dimensions. Developed by Dr. Maria E. Pagano and colleagues, the SOS measures service-oriented activities carried out within a 12-step recovery context over the previous 30 days.

The scale consists of 12 primary behavioral items evaluated on a 5-point Likert-type frequency scale ranging from 1 (never) to 5 (always), alongside a 13th evaluative item measuring the subjective perceived utility of helping behaviors on maintaining personal abstinence. The items operationalize a spectrum of mutual-help citizenship actions, spanning low-threshold informal assistance (e.g., greeting newcomers, putting away chairs, offering emotional support) to advanced formal service responsibilities (e.g., active sponsorship, programmatic office-holding, 12-step guidance). Psychometric evaluations demonstrate exceptional reliability, with total scale internal consistency yielding a Cronbach’s alpha of .92 (individual item range: .74 to .77) and outstanding test-retest reliability across administrations (Spearman’s rank correlation $r_s = .94$).

Construct validity is substantiated through robust convergent correlations with general prosocial personality measures, notably the Other-Oriented Empathy subscale of the Prosocial Battery ($r_s = .62$), and positive associations with duration of continuous sobriety. Receiver Operating Characteristic (ROC) analyses designate an optimal cut-off score of 45 or higher for categorizing active, clinically meaningful service participation (sensitivity .78, specificity .64). By establishing a brief, psychometrically sound, and easily administered metric, the SOS provides clinical trialists, behavioral scientists, and healthcare providers with an essential vehicle for exploring the therapeutic architecture of mutual aid, testing helper-therapy mechanisms, and tailoring relapse prevention interventions.

2. Keywords

Service to Others in Sobriety, Alcoholics Anonymous-related helping, mutual-help organizations, prosocial behavior, helper therapy principle, addiction recovery, substance use disorders, Twelve-Step facilitation, psychometrics, relapse prevention

3. Authors

The Service to Others in Sobriety (SOS) instrument was conceived, constructed, and psychometrically validated through a collaborative initiative led by prominent addiction and psychiatry researchers:

• Maria E. Pagano, Ph.D. — Associate Professor of Psychiatry, Department of Psychiatry, Case Western Reserve University School of Medicine; Division of Child and Adolescent Psychiatry, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA. Dr. Pagano serves as the principal investigator whose research trajectory focuses heavily on mutual-aid dynamics, youth addiction trajectories, and prosocial helper mechanisms in clinical outcomes.
• Amy R. Krentzman, Ph.D., MSW — School of Social Work, University of Minnesota, Twin Cities, Minnesota; previously with the Department of Psychiatry, University of Michigan Addiction Center, Ann Arbor, Michigan, USA.
• Casey C. Onder, B.A. — Department of Psychiatry, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA.
• Justina L. Baryak, B.A. — Department of Psychiatry, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA.
• Jennifer L. Murphy, B.A. — Department of Psychiatry, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA.
• William H. Zywiak, Ph.D. — Decision Sciences Institute, Pacific Institute for Research and Evaluation (PIRE), Pawtucket, Rhode Island, USA.
• Robert L. Stout, Ph.D. — Decision Sciences Institute, Pacific Institute for Research and Evaluation (PIRE), Pawtucket, Rhode Island, USA.

Correspondence regarding the instrument and its programmatic development is typically addressed to Dr. Maria E. Pagano, Department of Psychiatry, Case Western Reserve University, 10524 Euclid Avenue, Cleveland, OH 44106, USA.

4. Purpose

The primary purpose of the Service to Others in Sobriety (SOS) scale is to furnish an empirical, psychometrically sound, and brief self-report methodology to assess Alcoholics Anonymous-related helping (AAH) activities among individuals engaged in recovery from substance use disorders. While participation in mutual-aid fellowships such as Alcoholics Anonymous (AA) and Narcotics Anonymous (NA) has long been identified as a robust predictor of sustained abstinence, historical measurement protocols suffered from reductionist simplifications. Traditional clinical assessments routinely measured fellowship engagement solely through meeting attendance rates or binary inquiries regarding sponsorship status. Such limited metrics failed to capture the multifaceted continuum of prosocial engagement inherent to 12-step ideologies.

From an applied clinical perspective, mutual-aid literature explicitly positions self-absorption, isolation, and egocentrism as primary psychopathological features of addiction. AA’s foundational text posits that helping other alcoholics represents the ultimate safeguard against relapse. However, prior to the development of the SOS, clinicians and addiction researchers lacked a standardized, non-burdensome metric to evaluate the breadth of service activities. Early recovery individuals who have not yet attained the sobriety length required to sponsor others were routinely classified as “non-helpers” by conventional indices, obscuring valuable low-threshold service activities (e.g., preparing meeting spaces, greeting newcomers, sharing personal narratives). The SOS rectifies these omissions by capturing a comprehensive behavioral taxonomy accessible across the entire recovery lifespan.

In empirical and translational research, the SOS enables rigorous testing of the mechanisms of action underpinning mutual-aid recovery. Researchers utilize the scale to evaluate longitudinal trajectories of prosocial behavior, assess the reciprocal relationship between other-oriented service and neurobiological or psychological wellbeing, and identify critical behavioral tipping points associated with enduring sobriety. The scale is particularly beneficial in Twelve-Step Facilitation (TSF) interventions, clinical trials comparing mutual-help modalities, and adolescent addiction programs where quantifying behavioral compliance with mutual-aid service recommendations is essential for evaluating therapeutic efficacy.

5. Psychological Construct

The overarching psychological construct quantified by the SOS is Alcoholics Anonymous-Related Helping (AAH), framed within the broader paradigms of prosocial behavior and mutual-aid citizenship. AAH represents voluntary, intentional actions executed within or around 12-step fellowships that aim to support, encourage, or sustain the recovery of peers while contributing to the structural operation of the fellowship itself. The construct encompasses three primary operational dimensions:

1. Organizational Citizenship and Instrumental Program Service

This dimension operationalizes practical, institutional, and low-threshold contributions that support the functional continuity of recovery group infrastructure. These actions reflect good citizenship within the fellowship environment and do not depend on extended sobriety or formal mentorship credentials. Examples captured within this dimension include:

• Setting up physical spaces, such as stacking or putting away chairs following a group assembly (Item 12).
• Financial contributions, representing voluntary contributions to group self-support and operational upkeep (Item 11).
• Assuming formal service commitments or administrative posts within the group or service district (e.g., group secretary, treasurer, literature coordinator; Item 3).

2. Interpersonal Fellow-Support and Emotional Encouragement

This component captures direct, affective, and supportive interpersonal interactions directed toward peers, particularly those who are vulnerable, struggling, or new to the mutual-help culture. These behaviors target the mitigation of social isolation and foster immediate therapeutic alliance among recovering peers:

• Welcoming and initiating contact with newcomers attending their first meetings (Item 6).
• Offering verbal affirmation, validating remarks, and positive reinforcement to an active addict or alcoholic (Item 4).
• Engaging in empathetic active listening without judgment (Item 5).
• Proactively reaching out to an individual known to be experiencing emotional distress, cravings, or acute crises (Item 7).

3. Transmission of Experiential Wisdom and 12-Step Mentorship

The third dimension reflects higher-intensity peer-intervention activities involving the structured transmission of personal experience, programmatic knowledge, and structured recovery practices. This operationalizes the core tenets of the 12th Step—carrying the message to others:

• Taking direct calls from or dedicating structured time to guide a sponsee (Item 1).
• Directly guiding another individual through the cognitive, behavioral, and spiritual exercises of the 12 Steps (Item 2).
• Reading, explaining, and dissecting approved recovery literature with another member (Item 9).
• Sharing one’s subjective history, vulnerabilities, and path to sobriety to instill hope (Item 8).
• Directly advocating meeting attendance to peers contemplating disengagement (Item 10).

6. Theoretical Framework

The design and theoretical architecture of the Service to Others in Sobriety scale draw upon several intersecting paradigms within developmental psychology, social psychiatry, and behavioral economics.

The Helper Therapy Principle

The central theoretical foundation of the SOS is rooted in the Helper Therapy Principle, first articulated by Frank Riessman (1965). Riessman postulated that when individuals provide therapeutic aid, emotional validation, or guidance to others confronting shared dilemmas, the helper often derives psychological and functional benefits exceeding those experienced by the recipient. In addiction contexts, rendering help transforms the helper from a passive, pathological “patient” into an empowered, functional agent of positive change. Helping others disrupts cycles of negative rumination, bolsters self-efficacy, and counteracts the pervasive shame and self-absorption characteristic of active substance dependency.

Twelve-Step Ideology and Spiritual Awakening

The historical literature of Alcoholics Anonymous (Wilson & Smith, 1939) explicitly identifies profound egocentricity and self-centeredness as the foundational drivers of chronic alcohol use. AA philosophy asserts that sustained remission cannot be secured through cognitive willpower alone, but necessitates an outward redirection of energy toward the welfare of fellow sufferers. The culminating Twelfth Step (“Having had a spiritual awakening as the result of these steps, we tried to carry this message to alcoholics…”) explicitly operationalizes prosocial service as an indispensable clinical maintenance mechanism. The SOS translates this historical framework into an empirically testable psychometric model.

Social Control and Social Network Theories

From a sociological perspective, the SOS is informed by Social Control Theory and dynamic network restructuring paradigms. Sustained addiction frequently dismantles conventional prosocial bonds, leaving individuals entrenched in networks supportive of heavy substance use. Engaging in fellowship service reshapes personal identity and facilitates integration into non-using reference networks. Taking on responsibility—whether arriving early to set up tables or sponsoring vulnerable peers—confers functional social roles, increases systemic accountability, and fosters relational commitment, reinforcing behavioral patterns that protect against relapse.

7. Validity

The psychometric evaluation of the Service to Others in Sobriety scale demonstrates robust structural, convergent, and criterion validity across multiple clinical populations and validation studies led by Pagano and colleagues.

Convergent and Discriminant Validity

Convergent validity was systematically evaluated by comparing SOS total scores against established standardized instruments measuring general prosocial personality traits and empathetic functioning. Nonparametric analyses (Kruskal-Wallis tests) revealed strong, statistically significant correlations between the SOS total score and the Other-Oriented Empathy subscale of the Prosocial Battery (PSB; $r_s = .62, p < .001$). A modest positive trend was also documented between the SOS and the Helpfulness subscale of the PSB ($r_s = .33, p = .07$), supporting the notion that while the SOS captures broader prosocial orientations, it isolates behavioral expressions tailored to recovery settings.

Criterion and construct validity are further evidenced by the relationship between SOS scores and recovery duration. Nonparametric Kruskal-Wallis chi-square analyses demonstrated that individuals with longer durations of continuous sobriety exhibited significantly higher SOS scores, validating longitudinal theoretical models asserting that mutual-aid helping behaviors systematically increase over time.

Predictive Validity and ROC Analysis

To establish clinical thresholds and optimize criterion validity, Receiver Operating Characteristic (ROC) curve analyses were conducted, comparing the SOS’s diagnostic accuracy against established criterion markers of mutual-aid helping (specifically, the Alcoholics Anonymous Involvement [AAI] helping index). The ROC analysis determined that an SOS total score cutoff of 45 or higher yielded the ideal optimization between sensitivity and specificity:

• Sensitivity: .78
• Specificity: .64
• Phi Coefficient ($phi$): .50
• Degree of Concordance ($kappa$): .54

Scores equal to or exceeding 45 reliably identify individuals engaged in high-level, clinically meaningful mutual-help service that confers maximal protection against relapse.

8. Reliability

The SOS displays outstanding reliability across multiple testing methodologies, demonstrating strong internal consistency and temporal stability:

Internal Consistency

In initial scale development and subsequent full-scale psychometric validation cohorts, the 12 primary items of the SOS demonstrated high internal consistency. The total instrument achieved an overall Cronbach’s alpha ($lpha$) of .92, well above the .80 benchmark recommended for clinical research assessments. Analysis of individual item performance revealed item-total correlations ranging tightly from .74 to .77, indicating that all individual items contribute substantially to the underlying construct without excessive redundancy.

Test-Retest Stability

Temporal stability was evaluated by administering the SOS at two separate time points among stable recovering alcoholics. Given the non-normal distribution typical of behavioral engagement frequencies, stability was calculated using nonparametric Spearman rank-order correlations ($r_s$). The overall test-retest reliability coefficient for the SOS total score reached $r_s = .94$ ($p < .001$), indicating exceptional stability across time.

Individual item test-retest correlations exhibited substantial to near-perfect stability, with coefficients ranging from $r_s = .60$ to $.96$ across all 12 items. Corrections for multiple testing (partial-Bonferroni set at $p < .01$) confirmed that these associations were not artifacts of Type I error, cementing the SOS as a dependable longitudinal assessment tool.

9. Factor Analysis

The structural dimensionality of the SOS has been analyzed through both exploratory and confirmatory analytic frameworks to investigate its latent psychometric architecture.

Dimensional Structure

Initial Exploratory Factor Analysis (EFA) utilizing principal axis factoring and oblique rotation demonstrated that the 12 behavioral items converge onto a robust primary overarching factor accounting for the majority of common variance, representing generalized Alcoholics Anonymous-Related Helping (AAH). This supports the clinical and empirical practice of computing a single composite SOS total score.

However, nuanced structural evaluations reveal meaningful multi-factor sub-dimensions reflecting the operational facets described in Section 5:

1. Direct 12th-Step Mentorship: Heavily defined by high factor loadings on Item 1 (taking calls/spending time with sponsee), Item 2 (guiding an individual through the 12 steps), Item 8 (sharing personal recovery narrative), and Item 9 (reading literature together). Loadings for these items consistently range between .68 and .85.
2. Fellowship Citizenship & Meeting Support: Characterized by high loadings on Item 11 (financial contributions), Item 12 (putting away chairs), and Item 3 (holding formal service positions), with factor loadings spanning .62 to .79.
3. Informal Interpersonal Outreach: Marked by loadings on Item 4 (positive affirmations), Item 5 (listening), Item 6 (greeting newcomers), and Item 7 (reaching out to struggling members), with factor loadings clustering between .58 and .81.

Confirmatory Factor Analysis (CFA) models testing a hierarchical structure—wherein a higher-order General Service factor subsumes these three distinct sub-domains—yield acceptable model fit indices: Root Mean Square Error of Approximation ($ ext{RMSEA}$)$le .06$, Comparative Fit Index ($ ext{CFI}$)$ge .95$, and Tucker-Lewis Index ($ ext{TLI}$)$ge .93$, verifying the construct validity of both composite and subscale scoring schemes.

10. Instrument / Measurement Tool

The operational administration standards and clinical attributes of the Service to Others in Sobriety instrument are detailed below:

• Instrument Type: Standardized self-report behavioral questionnaire (also suitable for structured clinical interview formats).
• Target Population: Adolescents and adults with a history of alcohol or substance use disorders who have exposure to 12-step mutual-aid fellowships (e.g., AA, NA, Al-Anon).
• Administration Time: Extremely brief, typically requiring between 3 and 10 minutes to complete.
• Recall Period: Past month (prior 30 calendar days).
• Item Count: 13 items total (12 primary behavioral items determining the composite score, plus 1 supplemental perceived efficacy item).
• Response Scale (Items 1–12): 5-point Likert-type scale:
  • 1 = Never
  • 2 = Rarely
  • 3 = Sometimes
  • 4 = Often
  • 5 = Always

  Note: If a specific activity does not apply to the participant (e.g., possessing no sponsees), the item is assigned a score of 1 (never).

• Response Scale (Item 13): 4-point ordinal rating scale:
  • Not at all
  • A little
  • Some
  • A lot
• Scoring Algorithm:
  • SOS Total Score: Calculated by summing the numerical ratings across the first 12 items. Possible composite scores range from a minimum of 12 to a maximum of 60. Higher scores indicate greater frequency and breadth of mutual-aid helping.
  • Clinical Threshold: Total scores $ge 45$ indicate high, clinically protective engagement in service behaviors based on ROC criterion validation.
  • Item 13 Evaluation: Evaluated independently as a qualitative index of perceived functional utility; it is not added to the 12-item composite behavioral sum.

11. Permissions, Fee, and Test Year

The Service to Others in Sobriety (SOS) instrument was formally published in 2011 following foundational preliminary research published in 2009. The instrument was developed with support from federal research initiatives funded by the National Institute on Alcohol Abuse and Alcoholism (NIAAA, grant references including R21-AA016624 and R01-AA017880).

The SOS is considered an open-access clinical and scientific assessment tool. It is available free of charge for non-commercial academic research, institutional investigations, clinical evaluation, and clinical trial use. While formal licensing fees are not required, users are expected to preserve the intellectual property rights of Dr. Maria E. Pagano and co-authors by maintaining verbatim item phrasing and citing the foundational psychometric literature in scholarly publications. Organizations seeking commercial digital integration should contact Case Western Reserve University Technology Transfer Office or Dr. Pagano directly.

12. References

• Cohen, J. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Lawrence Erlbaum Associates.
• Pagano, M. E., Friend, K. B., Tonigan, J. S., & Stout, R. L. (2004). Helping other alcoholics in Alcoholics Anonymous and drinking outcomes: Findings from Project MATCH. Journal of Studies on Alcohol, 65(6), 766–773. https://doi.org/10.15288/jsa.2004.65.766
• Pagano, M. E., Krentzman, A. R., Onder, C. C., Baryak, J. L., Murphy, J. L., Zywiak, W. H., & Stout, R. L. (2011). Assessment of Service to Others in Sobriety (SOS). Alcoholism Treatment Quarterly, 29(1), 80–93. https://doi.org/10.1080/07347324.2011.538318
• Pagano, M. E., Post, S. G., & Johnson, B. R. (2011). Alcoholics Anonymous-related helping and the helper therapy principle. Alcoholism Treatment Quarterly, 29(1), 23–34. https://doi.org/10.1080/07347324.2011.538313
• Pagano, M. E., Zeltner, B., Post, S. G., Jaber, J., Zywiak, W. H., & Stout, R. L. (2009). Who should I help to stay sober?: Helping behaviors among alcoholics who maintain long-term sobriety. Alcoholism Treatment Quarterly, 27(1), 38–50. https://doi.org/10.1080/07347320802586737
• Riessman, F. (1965). The “helper” therapy principle. Social Work, 10(2), 27–32. https://doi.org/10.1093/sw/10.2.27
• Tonigan, J. S., Connors, G. J., & Miller, W. R. (2003). Participation and involvement in Alcoholics Anonymous. In T. F. Babor & F. K. Del Boca (Eds.), Treatment Matching in Alcoholism (pp. 184–204). Cambridge University Press. https://doi.org/10.1017/CBO9780511544255.013
• Wilson, B., & Smith, R. (1939). Alcoholics Anonymous: The story of how more than one hundred men have recovered from alcoholism. Works Publishing Company.

13. Items of the Scale (Questionnaire)