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    A web-based intervention for users of amphetamine-type stimulants: 3-month outcomes of randomized controlled trial

    204909_132443_Tait_A_Web-Based_Intervention_for_Users_of_ATS_3_month_outcomes_2014_JMIR_MH.pdf (358.2Kb)
    Access Status
    Open access
    Authors
    Tait, Robert
    McKetin, R.
    Kay-Lambkin, F.
    Carron-Arthur, B.
    Bennett, A.
    Bennett, K.
    Christensen, H.
    Griffiths, K.
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Tait, R. and McKetin, R. and Kay-Lambkin, F. and Carron-Arthur, B. and Bennett, A. and Bennett, K. and Christensen, and Griffiths, K. 2014. A web-based intervention for users of amphetamine-type stimulants: 3-month outcomes of randomized controlled trial. Journal of Medical Internet Research Mental Health. 1 (1): e1 (12 p.).
    Source Title
    Journal of Medical Internet Research Mental Health
    DOI
    10.2196/mental.3278
    School
    Health Sciences-Faculty Office
    Remarks

    This article is published under the Open Access publishing model and distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/2.0/). Please refer to the licence to obtain terms for any further reuse or distribution of this work.

    URI
    http://hdl.handle.net/20.500.11937/26766
    Collection
    • Curtin Research Publications
    Abstract

    Background: Among illicit drugs, the prevalence of amphetamine-type stimulant (ATS) use is second only to cannabis. Currently, there are no approved pharmacotherapies for ATS problems, but some face-to-face psychotherapies are effective. Web-based interventions have proven to be effective for some substance use problems, but none has specifically targeted ATS users. Objective: The objective of the study was to evaluate the effectiveness of a Web-based intervention for ATS problems on a free-to-access site compared with a waitlist control group. Methods: We used a randomized controlled trial design. The primary outcome measure was self-reported ATS use in the past three months assessed using the Alcohol, Smoking, Substance Involvement Screening Test (ASSIST). Other measures included quality of life (EUROHIS score), psychological distress (K-10 score), days out of role, poly-drug use, general help-seeking intentions, actual help-seeking, and “readiness to change”. The intervention consisted of three fully automated, self-guided modules based on cognitive behavioral therapy and motivation enhancement. The analysis was an intention-to-treat analysis using generalized estimating equation models, with a group by time interaction as the critical assessment.Results: We randomized 160 people (intervention n=81, control n=79). At three months, 35/81 (43%) intervention and 45/79 (57%) control participants provided follow-up data. In the intervention group, 51/81 (63%) completed at least one module. The only significant group by time interaction was for days out of role. The pre/post change effect sizes showed small changes (range d=0.14 to 0.40) favoring the intervention group for poly-drug use, distress, actual help-seeking, and days out of role. In contrast, the control group was favored by reductions in ATS use, improvements in quality of life, and increases in help-seeking intentions (range d=0.09 to 0.16). Conclusions: This Web-based intervention for ATS use produced few significant changes in outcome measures. There were moderate, but nonsignificant reductions in poly-drug use, distress, days partially out of role, and increases in help-seeking. However, high levels of participant attrition, plus low levels of engagement with the modules, preclude firm conclusions being drawn on the efficacy of the intervention and emphasize the problems of engaging this group of clients in a fully automated program.

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    • A web-based intervention for users of amphetamine-type stimulants: 3-month outcomes of a randomized controlled trial
      Tait, Robert; McKetin, R.; Kay-Lambkin, F.; Carron-Arthur, B.; Bennett, A.; Bennett, K.; Christensen, H.; Griffiths, K. (2014)
      Background: Among illicit drugs, the prevalence of amphetamine-type stimulant (ATS) use is second only to cannabis. Currently, there are no approved pharmacotherapies for ATS problems, but some face-to-face psychotherapies ...
    • Six-month outcomes of a web-based intervention for users of amphetamine-type stimulants: Randomized controlled trial
      Tait, Robert; McKetin, R.; Kay-Lambkin, F.; Carron-Arthur, B.; Bennett, A.; Bennett, K.; Christensen, H.; Griffiths, K. (2015)
      Background: The use of amphetamine-type stimulants (ATS) places a large burden on health services.Objective: The aim was to evaluate the effectiveness of a self-guided Web-based intervention (“breakingtheice”) for ATS ...
    • Breakingtheice: A protocol for a randomised controlled trial of an internet-based intervention addressing amphetamine-type stimulant use
      Tait, Robert; McKetin, R.; Kay-Lambkin, F.; Bennett, K.; Tam, A.; Bennett, A.; Geddes, J.; Garrick, A.; Christensen, H.; Griffiths, K. (2012)
      Background: The prevalence of amphetamine-type stimulant use is greater than that of opioids and cocaine combined. Currently, there are no approved pharmacotherapy treatments for amphetamine-type stimulant problems, but ...
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