1. McLellan AT. Have we evaluated addiction treatment correctly? Implications from a chronic care perspective. Addiction. 2002 March;97(3):249–252. [Editorial] [PubMed] 2. McLellan AT, Meyers K. Contemporary addiction treatment: a review of systems problems for adults and adolescents. Biological Psychiatry. 2004 November;56(10):764–770. [PubMed]
3. Emrick CD, Tonigan JS, Montgomery HA, Little L. Alcoholics Anonymous: what is currently known? In: McCrady BS, Miller WR, editors. Research on Alcoholics Anonymous: Opportunities and alternatives. Rutgers Center of Alcohol Studies; New Brunswick, NJ: 1993. pp. 41–78.
4. Tonigan JS, Toscova R, Miller WR. Meta-analysis of the literature on Alcoholics Anonymous: sample and study characteristics moderate findings. J. Stud. Alcohol. 1996 January;57(1):65–72. [PubMed] 5. Timko C, Billow R, DeBenedetti A. Determinants of 12-step group affiliation and moderators of the affiliation-abstinence relationship. Drug Alcohol Depend. 2006 June;83(2):111–121. [PubMed] 6. Kelly JF, Stout R, Zywiak WH, Schneider R. A 3-year study of addiction mutual-help group participation following intensive outpatient treatment. Alcohol. Clin. Exp. Res. 2006;30(8):1381–1392. [PubMed] 7. Humphreys K, Moos RH. Encouraging posttreatment self-help group involvement to reduce demand for continuing care services: two-year clinical and utilization outcomes. Alcohol. Clin. Exp. Res. 2007 January;31(1):64–68. [PubMed]
8. Tonigan JS. Alcoholics Anonymous outcomes and benefits. In: Galanter M, Kaskutas LA, editors. Recent Developments in Alcoholism: Research on Alcoholics Anonymous and spirituality in addiction recovery. Vol 18. Springer; New York: 2008. pp. 357–372.
9. Donovan DM, Floyd AS. Facilitating involvement in 12-step programs. In: Galanter M, Kaskutas LA, editors. Recent Developments in Alcoholism: Research on Alcoholics Anonymous and Spirituality in Addiction Recovery. Vol 18. Springer; New York: 2008. pp. 303–320.
10. Project MATCH Research Group Matching alcoholism treatment to client heterogeneity: Project MATCH posttreatment drinking outcomes. J. Stud. Alcohol. 1997;58(1):7–29. [PubMed] 11. Project MATCH Research Group Matching alcoholism treatments to client heterogeneity: project MATCH three-year drinking outcomes. Alcohol. Clin. Exp. Res. 1998;22(6):1300–1311. [PubMed] 12. Majer JM, Jason LA, Ferrari JR, Miller SA. 12-Step involvement among a U.S. national sample of Oxford House residents. J. Subst. Abuse Treat. in press. [PMC free article] [PubMed]
13. Kelly JF, McCrady BS. Twelve-step facilitation in non-specialty settings. In: Galanter M, Kaskutas LA, editors. Alcoholics Anonymous and Spirituality in Addiction Recovery. Vol 18. Springer; New York: 2008. pp. 321–346.
14. Humphreys K, Kaskutas LA, Weisner C. The Alcoholics Anonymous Affiliation Scale: development, reliability, and norms for diverse treated and untreated populations. Alcohol. Clin. Exp. Res. 1998;22(5):974–978. [PubMed] 15. Kaskutas LA, Weisner C, Lee M, Humphreys K. Alcoholics Anonymous affiliation at treatment intake among white and black Americans. J. Stud. Alcohol. 1999 November;60(6):810–816. [PubMed] 16. Cloud RN, Ziegler CH, Blondell RD. What is Alcoholics Anonymous affiliation? Subst. Use Misuse. 2004 June;39(7):1117–1136. [PubMed]
17. Tonigan JS, Connors GJ, Miller WR. The Alcoholics Anonymous Involvement scale (AAI): reliability and norms. Psychol. Addict. Behav. 1996;10(2):75–80.
18. Tonigan JS, Connors GJ, Miller WR. Participation and involvement in Alcoholics Anonymous. In: Babor TF, del Boca FK, editors. Treatment Matching in Alcoholism. Cambridge University Press; New York, NY: 2003. pp. 184–204.
19. McKay JR, Weiss RV. Review of temporal effects and outcome predictors in substance abuse treatment studies with long-term follow-ups: preliminary results and methodological issues. Eval. Rev. 2001;25(2):113–161. [PubMed] 20. Moos R, Schaefer J, Andrassy J, Moos B. Outpatient mental health care, self-help groups, and patients’ one-year treatment outcomes. J. Clin. Psychol. 2001;57(3):273–287. [PubMed] 21. Ouimette PC, Moos RH, Finney JW. Influence of outpatient treatment and 12-step group involvement on one-year substance abuse treatment outcomes. J. Stud. Alcohol. 1998 September;59(5):513–522. [PubMed] 22. Moos RH, Moos BS. Paths of entry into Alcoholics Anonymous: consequences for participation and remission. Alcohol. Clin. Exp. Res. 2005;29(10):1858–1868. [PubMed] 23. McKay JR, Foltz C, Stephens RC, Leahy PJ, Crowley EM, Kissin W. Predictors of alcohol and crack cocaine use outcomes over a 3-year follow-up in treatment seekers. J. Subst. Abuse Treat. 2005 March;28(Suppl. 1):S73–S82. [PubMed] 24. Gossop M, Stewart D, Marsden J. Attendence at Narcotics Anonymous and Alcoholics Anonymous meetings, frequency of attendence and substance use outcomes after residential treatment for drug dependence: a 5 year follow-up study. Addiction. 2008 January;103(1):119–125. [PubMed] 25. Montgomery HA, Miller WR, Tonigan JS. Does Alcoholics Anonymous involvement predict treatment outcome? J. Subst. Abuse Treat. 1995 July-August;12(4):241–246. [PubMed]
26. Kaskutas LA, Ammon LN, Weisner C. A naturalistic analysis comparing outcomes at substance abuse treatment programs with differing philosophies: social and clinical model perspectives. International Journal of Self Help and Self Care. 2004;2(2):111–133.
27. Connors GJ, Tonigan JS, Miller WR. A longitudinal model of intake symptomatology, AA participation, and outcome: retrospective study of the Project MATCH outpatient and aftercare samples. J. Stud. Alcohol. 2001 November;62(6):817–825. [PubMed] 28. McKellar J, Stewart E, Humphreys K. Alcoholics Anonymous involvement and positive alcohol-related outcomes: cause, consequence, or just a correlate? A prospective 2-year study of 2,319 alcohol-dependent men. J. Consult. Clin. Psychol. 2003 April;71(2):302–308. [PubMed] 29. Weiss RD, Griffin ML, Gallop RJ, et al. The effect of 12-step self-help group attendance and participation on drug use outcomes among cocaine-dependent patients. Drug Alcohol Depend. 2005 February;77(2):177–184. [PubMed] 30. Witbrodt J, Delucchi K. Do women differ from men on Alcoholics Anonymous participation and abstinence? A multi-wave analysis of treatment seekers. Alcohol. Clin. Exp. Res. in press. [PMC free article] [PubMed] 31. Toumbourou JW, Hamilton M, U’Ren A, Steven-Jones P, Storey G. Narcotics Anonymous participation and changes in substance use and social support. J. Subst. Abuse Treat. 2002 July;23(1):61–66. [PubMed] 32. Sheeren M. The relationship between relapse and involvement in Alcoholics Anonymous. J. Stud. Alcohol. 1988 January;49(1):104–106. [PubMed] 33. Emrick CD. Alcoholics Anonymous: affiliation processes and effectiveness as treatment. Alcohol. Clin. Exp. Res. 1987 October;11(5):416–423. [PubMed] 34. Pagano ME, Phillips KA, Stout RL, Menard W, Piliavin JA. Impact of helping behaviors on the course of substance-use disorders in individuals with body dysmorphic disorder. J. Stud. Alcohol. 2007 March;68(2):291–295. [PMC free article] [PubMed] 35. Magura S, Laudet AB, Mahmood D, Rosenblum A, Vogel HS, Knight EL. Role of self-help processes in achieving abstinence among dually diagnosed persons. Addict. Behav. 2003 April;28(3):399–413. [PubMed] 36. Caldwell PE, Cutter HSG. Alcoholics Anonymous affiliation during early recovery. J. Subst. Abuse Treat. 1998 May-June;15(3):221–228. [PubMed] 37. Morgenstern J, Bux DA, Jr., Labouvie E, Morgan T, Blanchard KA, Muench F. Examining mechanisms of action in 12-Step community outpatient treatment. Drug Alcohol Depend. 2003 December;72(3):237–247. [PubMed] 38. Timko C, Debenedetti A. A randomized controlled trial of intensive referral to12-step self-help groups: one-year outcomes. Drug Alcohol Depend. 2007 October;90(2-3):270–279. [PubMed] 39. Tonigan JS, Rice SL. Is it beneficial to have an Alcoholics Anonymous sponsor? Psychol. Addict. Behav. 2010 September;24(3):397–403. [PubMed] 40. Isenhart CE. Pretreatment readiness for change in male alcohol dependent subjects: predictors of one-year follow-up status. J. Stud. Alcohol. 1997 July;58(4):351–357. [PubMed] 41. Witbrodt J, Kaskutas LA. Does diagnosis matter? Differential effects of 12-step participation and social networks on abstinence. The American Journal of Drug and Alcohol Abuse. 2005;31(4):685–707. [PubMed] 42. Subbaraman MS, Kaskutas LA, Zemore SE. Sponsorship and service as mediators of the effects of Making Alcoholics Anonymous Easier (MAAEZ), a 12-step facilitation intervention. Drug Alcohol Depend. in press. [PMC free article] [PubMed] 43. Cross GM, Morgan CM, Mooney AJ. Alcoholism treatment: a ten-year follow-up study. Alcohol. Clin. Exp. Res. 1990;14(2):169–173. [PubMed] 44. Pagano ME, Friend KB, Tonigan JS, Stout RL. Helping other alcoholics in Alcoholics Anonymous and drinking outcomes: findings from Project Match. J. Stud. Alcohol. 2004 November;65(6):766–773. [PMC free article] [PubMed] 45. Zemore SE, Kaskutas LA. Helping, spirituality, and Alcoholics Anonymous in recovery. J. Stud. Alcohol. 2004;65(3):383–391. [PubMed] 46. Crape BL, Latkin CA, Laris AS, Knowlton AR. The effects of sponsorship in 12-step treatment of injection drug users. Drug Alcohol Depend. 2002 February;65(3):291–301. [PubMed] 47. Moos RH, Moos BS. Participation in treatment and Alcoholics Anonymous: a 16-year follow-up of initially untreated individuals. J. Clin. Psychol. 2006;62(6):735–750. [PMC free article] [PubMed] 48. Moos RH, Moos BS. Long-term influence of duration and frequency of participation in Alcoholics Anonymous on individuals with alcohol use disorders. J. Consult. Clin. Psychol. 2004;72(1):81–90. [PubMed] 49. Kaskutas LA, Ammon LN, Delucchi K, Room R, Bond J, Weisner C. Alcoholics Anonymous careers: patterns of AA involvement five years after treatment entry. Alcohol. Clin. Exp. Res. 2005;29(11):1983–1990. [PubMed] 50. Kaskutas LA, Bond J, Avalos L Ammon. 7-year trajectories of Alcoholics Anonymous attendance and associations with treatment. Addict. Behav. 2009 December;34(12):1029–1035. [PMC free article] [PubMed] 51. Morgenstern J, Kahler CW, Frey RM, Labouvie E. Modeling therapeutic response to 12-step treatment: optimal responders, nonresponders, and partial responders. J. Subst. Abuse. 1996;8(1):45–59. [PubMed] 52. Weisner C, Schmidt L. The Community Epidemiology Laboratory: studying alcohol problems in community- and agency-based populations. Addiction. 1995;90(3):329–342. [PubMed]
53. Schmidt L. Women and Alcohol Problems: Developing an Agenda for Health Services Research. National Institute on Alcohol Abuse and Alcoholism; Rockville, MD: Nov 4-5, 1998. The impact of welfare reform on alcohol treatment for women.
54. Weisner C, Matzger H. A prospective study of the factors influencing entry to alcohol and drug treatment. J. Behav. Health Serv. Res. 2002 May;29(2):126–137. [PubMed]
55. Kaskutas LA, Russell G, Dinis M. Technical Report on the Alcohol Treatment Utilization Study in Public and Private Sectors. Alcohol Research Group; Berkeley, CA: 1997.
56. Regier DA, Myers JK, Kramer M, et al. The NIMH Epidemiological Catchment Area Program: historical context, major objectives and study population characteristics. Arch. Gen. Psychiatry. 1984 October;41(10):934–941. [PubMed] 57. Erdman HP, Klein MH, Greist JH, et al. A comparisonof two computer-administered versions of NIMH Diagnostic Interview Schedule. J. Psychiatr. Res. 1992;26(1):85–95. [PubMed]
58. Robins LN, Cuttler L, Keating S. NIMH diagnostic interview schedule. version III, revised. National Institute of Mental Health; Rockville, MD: Sep 4, 1991. 1991.
59. American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders DSM-IV-TR. 4th ed American Psychiatric Publishing, Inc.; Washington, D.C.: 2000.
60. Adamson SJ, Sellman JD, Frampton CMA. Patient predictors of alcohol treatment outcome: a systematic review. J. Subst. Abuse Treat. 2009 January;36(1):75–86. [PubMed]
61. Bogenschutz MP. Individual and contextual factors that influence AA affiliation and outcomes. In: Galanter M, Kaskutas LA, editors. Recent Developments in Alcoholism: Research on Alcoholics Anonymous and spirituality in addiction recovery. Vol 18. Springer; New York: 2008. pp. 413–433.
62. Connors GJ, Tonigan JS, Miller WR. A measure of religious background and behavior for use in behavior change research. Psychol. Addict. Behav. 1996;10(2):90–96.
63. McLellan AT, Luborsky L, Cacciola JS, Griffith J. Guide to the addiction severity index: background, administration, and field testing results. U.S. Department of Health and Human Services, National Institute on Drug Abuse; Rockville, MD: 1985. No. (ADM) 85-1419.
64. McLellan AT, Kushner H, Metzger D, et al. The Fifth Edition of the Addiction Severity Index. J. Subst. Abuse Treat. 1992 Summer;9(3):199–213. [PubMed]
65. McLellan AT. Addiction Severity Index (ASI) In: Rush AJ Jr., Pincus HA, First MB, et al., editors. Handbook of Psychiatric Measures. American Psychiatric Association; Washington, DC: 2000. pp. 472–474.
66. Mplus. version 5.1. Muthén & Muthén; Los Angeles, CA: 2008. [computer program]
67. Little RJA, Rubin DB. Statistical Analysis with Missing Data. 2nd. ed John Wiley & Sons; Hoboken, NJ: 2002.
68. Muthén B, Shedden K. Finite mixture modeling with mixture outcomes using the EM algorithm. Biometrics. 1999 June;55(2):463–469. [PubMed]
69. Jung T, Wickrama KAS. An introduction to latent class growth analysis and growth mixture modeling. Social and Personality Psychology Compass. 2008 January;2(1):302–317.
70. Nylund KL, Muthén BO, Asparouhov T. Deciding on the number of classes in latent class analysis: a Monte Carol simulation study. Department of Advanced Quantitative Methods, Graduate School of Education and Information Studies, UCLA; Los Angeles, CA: 2004.
71. Sobell LC, Ellingstad TP, Sobell MB. Natural recovery from alcohol and drug problems: methodological review of the research with suggestions for future directions. Addiction. 2000;95(5):749–764. [PubMed] 72. Sobell LC, Cunningham JA, Sobell MB. Recovery from alcohol problems with and without treatment: prevalence in two population surveys. Am. J. Public Health. 1996 July;86(7):966–972. [PubMed] 73. Humphreys K, Moos RH, Finney JW. Two pathways out of problem drinking problems without professional treatment. Addict. Behav. 1995;20(4):427–441. [PubMed] 74. Cohen E, Feinn R, Arias A, Kranzler HR. Alcohol treatment utilization: findings from the National Epidemiologic Survey on Alcohol and Related Conditions. Drug Alcohol Depend. 2007 January;86(2-3):214–221. [PubMed] 75. Moos RH, Moos BS. Rates and predictors of relapse after natural and treated remission from alcohol use disorders. Addiction. 2006;101(2):212–222. [PMC free article] [PubMed] 76. Weisner C, Ray GT, Mertens J, Satre DD, Moore C. Short-term alcohol and drug treatment outcomes predict long-term outcome. Drug Alcohol Depend. 2003 September;71(3):281–294. [PubMed] 77. Moos RH, Moos BS. The interplay between help-seeking and alcohol-related outcomes: divergent processes for professional treatment and self-help groups. Drug Alcohol Depend. 2004 August;75(2):155–164. [PubMed]
78. White WL, Boyle M, Loveland D. Alcoholism/addiction as a chronic disease: from rhetoric to clinical reality. Alcohol. Treat. Quart. 2002 June;20(3&4):107–129.
79. White WL, Kurtz E, Sanders M, editors. Recovery Management. Great Lakes Addiction Technology Transfer Center (ATTC) Network; Chicago, IL: 2006.
80. Cloud RN, Kingree JB. Concerns about dose and underutilization of twelve-step programs: models, scales, and theory that inform treatment planning. In: Galanter M, Kaskutas LA, editors. Recent Developments in Alcoholism: Research on Alcoholics Anonymous and Spirituality in Addiction Recovery. Vol 18. Springer; New York: 2008. pp. 283–301.