Cited by 103Substance Abuse Treatment and OutcomesAlcohol Consumption and Health EffectsBehavioral Health and Interventions

Change over time in alcohol consumption in control groups in brief intervention studies: systematic review and meta-regression study

Jenkins, Richard J., McAlaney, John, McCambridge, Jim·2009·Drug and Alcohol Dependence

Abstract

Reactivity to assessment has attracted recent attention in the brief alcohol intervention literature. This systematic review sought to examine the nature of change in alcohol consumption over time in control groups in brief intervention studies. Primary studies were identified from existing reviews published in English language, peer-reviewed journals between 1995 and 2005. Change in alcohol consumption and selected study-level characteristics for each primary study were extracted. Consumption change data were pooled in random effects models and meta-regression was used to explore predictors of change. Eleven review papers reported the results of 44 individual studies. Twenty-six of these studies provided data suitable for quantitative study. Extreme heterogeneity was identified and the extent of observed reduction in consumption over time was greater in studies undertaken in Anglophone countries, with single gender study participants, and without special targeting by age. Heterogeneity was reduced but was still substantial in a sub-set of 15 general population studies undertaken in English language countries. The actual content of the control group procedure itself was not predictive of reduction in drinking, nor were a range of other candidate variables including setting, the exclusion of dependent drinkers, the collection of a biological sample at follow-up, and duration of study. Further investigations may yield novel insights into the nature of behaviour change with potential to inform brief interventions design.

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Crossref · 10.1016/j.drugalcdep.2008.09.016

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  • Several researchers have noted that treatment effects of a brief intervention may be difficult to disentangle from research effects, because research assessments may have a therapeutic effect for all study participants, diluting treatment effects.

    “Third, several researchers (Bernstein et al., 2005; Clifford & Maisto, 2000; Jenkins, McAlaney, & McCambridge, 2009; Kaner et al., 2009) have noted that the treatment effects of a brief intervention may be difficult to disentangle from research effects—that is, research assessments in themselves may have a therapeutic effect for all study participants, thus diluting treatment effects.”

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Authors
Jenkins, R. J., McAlaney, J., & McCambridge, J.
Affiliations
  • University College London (GB)
  • London School of Hygiene & Tropical Medicine (GB)
Corresponding author
McCambridge, Jim
Venue
Drug and Alcohol Dependence
Publisher
Elsevier BV
Published
2009-02
Volume
100
Issue
1-2
Pages
107-114
ISSN
0376-8716 (ISSN-L)
OpenAlex
W2039461862
Cited by
103
References
79
Citations by year
2025: 2 · 2024: 3 · 2023: 2 · 2021: 8 · 2020: 6 · 2019: 3 · 2018: 9 · 2017: 7 · 2016: 4 · 2015: 9 · 2014: 11 · 2013: 12 · 2012: 12
FWCI
0.53
Type
journal article
Language
en
Open access
closed
Locations
  • Drug and Alcohol Dependence (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (acceptedVersion)
  • Bradford Scholars (University of Bradford) (submittedVersion)
  • LSHTM Research Online (London School of Hygiene and Tropical Medicine) (submittedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Alcohol Consumption and Health Effects
  • Social Sciences › Psychology › Applied Psychology › Behavioral Health and Interventions
Keywords
alcohol consumption, brief alcohol intervention, control groups, behavior change, study design characteristics
MeSH terms
Alcohol Drinking, Alcoholism, Clinical Trials as Topic, Humans, Regression Analysis, Time Factors, Control Groups

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