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On-line Randomized Controlled Trial of an Internet Based Psychologically Enhanced Intervention for People with Hazardous Alcohol Consumption
Open accessAbstract
BACKGROUND: Interventions delivered via the Internet have the potential to address the problem of hazardous alcohol consumption at minimal incremental cost, with potentially major public health implications. It was hypothesised that providing access to a psychologically enhanced website would result in greater reductions in drinking and related problems than giving access to a typical alcohol website simply providing information on potential harms of alcohol. DYD-RCT Trial registration: ISRCTN 31070347. METHODOLOGY/PRINCIPAL FINDINGS: A two-arm randomised controlled trial was conducted entirely on-line through the Down Your Drink (DYD) website. A total of 7935 individuals who screened positive for hazardous alcohol consumption were recruited and randomized. At entry to the trial, the geometric mean reported past week alcohol consumption was 46.0 (SD 31.2) units. Consumption levels reduced substantially in both groups at the principal 3 month assessment point to an average of 26.0 (SD 22.3) units. Similar changes were reported at 1 month and 12 months. There were no significant differences between the groups for either alcohol consumption at 3 months (intervention: control ratio of geometric means 1.03, 95% CI 0.97 to 1.10) or for this outcome and the main secondary outcomes at any of the assessments. The results were not materially changed following imputation of missing values, nor was there any evidence that the impact of the intervention varied with baseline measures or level of exposure to the intervention. CONCLUSIONS/SIGNIFICANCE: Findings did not provide support for the hypothesis that access to a psychologically enhanced website confers additional benefit over standard practice and indicate the need for further research to optimise the effectiveness of Internet-based behavioural interventions. The trial demonstrates a widespread and potentially sustainable demand for Internet based interventions for people with hazardous alcohol consumption, which could be delivered internationally. TRIAL REGISTRATION: Controlled-Trials.com ISRCTN31070347.
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From Web-Based Interventions for Behavior Change and Self-Management: Potential, Pitfalls, and Progress (2012) · cites this paper as [29]
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Economic evaluations of Internet interventions for mental health: a systematic review
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“Our own research on Web-based interventions supports these concerns about equity, with disproportionately high numbers of users having a university degree [29,30].”
BackgroundSelf-citation
Metadata
- Authors
- Wallace, P., Murray, E., McCambridge, J., Khadjesari, Z., White, I. R., Thompson, S. G., Kalaitzaki, E., Godfrey, C., & Linke, S.
- Affiliations
- University College London (GB)
- London School of Hygiene & Tropical Medicine (GB)
- MRC Biostatistics Unit (GB)
- Institute of Cancer Research (GB)
- University of York (GB)
- Camden and Islington NHS Foundation Trust (GB)
- Corresponding author
- Wallace, Paul
- ORCID
- Venue
- PLoS ONE
- Publisher
- Public Library of Science (PLoS)
- Published
- 2011-03-09
- Volume
- 6
- Issue
- 3
- Pages
- e14740
- ISSN
- 1932-6203 (ISSN-L)
- PMC
- PMC3052303
- OpenAlex
- W2047401749
- Cited by
- 114
- References
- 45
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 1 · 2023: 5 · 2022: 4 · 2021: 6 · 2020: 4 · 2019: 8 · 2018: 11 · 2017: 6 · 2016: 9 · 2015: 8 · 2014: 19 · 2013: 14 · 2012: 14
- FWCI
- 11.57
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- PLoS ONE (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- LSHTM Research Online (London School of Hygiene and Tropical Medicine) (acceptedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- UCL Discovery (University College London) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- Research Portal (King's College London) (submittedVersion, other-oa)
- UEA Digital Repository (University of East Anglia) (submittedVersion)
- Funders
- Cancer Research UK
- National Institute for Health and Care Research
- British Heart Foundation (RG/08/014/24067)
- Diabetes UK
- Alcohol Change UK
- Medical Research Council (U.1052.00.006, U.1052.00.001)
- Economic and Social Research Council
- Topics
- Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
- Social Sciences › Psychology › Applied Psychology › Digital Mental Health Interventions
- Health Sciences › Medicine › Pathology and Forensic Medicine › Alcohol Consumption and Health Effects
- Keywords
- hazardous drinking, online intervention, alcohol consumption reduction, alcohol-related problems, intervention effectiveness
- MeSH terms
- Alcohol Drinking, Follow-Up Studies, Humans, Treatment Outcome, Patient Selection, Internet
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