Theory-Based Text-Messaging to Reduce Methamphetamine Use and HIV Sexual Risk Behaviors Among Men Who Have Sex with Men: Automated Unidirectional Delivery Outperforms Bidirectional Peer Interactive Delivery.

Cathy J Reback, Jesse B Fletcher, Dallas A Swendeman, Mitch Metzner
Author Information
  1. Cathy J Reback: Friends Research Institute, Inc., 1419 N. La Brea Ave., Los Angeles, CA, 90028, USA. reback@friendsresearch.org. ORCID
  2. Jesse B Fletcher: Friends Research Institute, Inc., 1419 N. La Brea Ave., Los Angeles, CA, 90028, USA.
  3. Dallas A Swendeman: Center for HIV Identification, Prevention and Treatment Services, University of California, Los Angeles, CA, USA.
  4. Mitch Metzner: Friends Research Institute, Inc., 1419 N. La Brea Ave., Los Angeles, CA, 90028, USA.

Abstract

Project Tech Support2 was a randomized controlled trial that tested three methods of text message delivery for reducing methamphetamine use and HIV risks among MSM. From March 2014 to January 2016, 286 methamphetamine-using MSM were randomized into: (1) interactive text conversations with Peer Health Educators, plus five-times-a-day automated theory-based messages, plus a weekly self-monitoring text-message assessment (TXT-PHE; n = 94); or, (2) the daily automated messages and weekly self-monitoring assessment (TXT-Auto; n = 99); or, (3) weekly self-monitoring assessment only (AO; n = 93). All three conditions demonstrated reductions in methamphetamine use (coef. = - 0.10), sex on methamphetamine (coef. = - 0.09), and condomless anal intercourse (CAI) with casual male partners (coef. = - 0.06). Only participants in TXT-PHE and TEXT-Auto also reduced CAI with main male partners (coef = - 0.19; coef. = - 0.16), and only TEXT-Auto participants reduced CAI with anonymous male partners (coef. = - 0.05). Additionally, both theory-based text-messaging interventions achieved sustained reductions in five of the six outcomes through 9 months. Overall, automated delivery outperformed peer-delivered messaging.

Keywords

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Grants

  1. P30 MH058107/NIMH NIH HHS
  2. R01 DA035092/NIDA NIH HHS
  3. R01DA035092/National Institute on Drug Abuse
  4. P30MH58107/National Institute of Mental Health

MeSH Term

Adult
HIV Infections
Health Education
Homosexuality, Male
Humans
Male
Methamphetamine
Middle Aged
Risk Reduction Behavior
Sexual Partners
Substance-Related Disorders
Text Messaging
Unsafe Sex
Young Adult

Chemicals

Methamphetamine

Word Cloud

Created with Highcharts 10.0.0coef = - 0methamphetamineHIVMSMautomatedweeklyself-monitoringassessmentCAImalepartnersrandomizedthreetextdeliveryusePeerplustheory-basedmessagesTXT-PHEreductionssexparticipantsTEXT-AutoreducedmessagingMethamphetamineMenDeliveryProjectTechSupport2controlledtrialtestedmethodsmessagereducingrisksamongMarch2014January2016286methamphetamine-usinginto:1interactiveconversationsHealthEducatorsfive-times-a-daytext-messagen = 942dailyTXT-Auton = 993AOn = 93conditionsdemonstrated1009condomlessanalintercoursecasual06alsomaincoef = - 01916anonymous05Additionallytext-messaginginterventionsachievedsustainedfivesixoutcomes9 monthsOveralloutperformedpeer-deliveredTheory-BasedText-MessagingReduceUseSexualRiskBehaviorsAmongSexMen:AutomatedUnidirectionalOutperformsBidirectionalInteractivemenTextSMSmHealth

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