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Paper Abstract
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Aim: To assess the effectiveness of two personalised digital interventions (OneTooMany and Drinks Meter) compared to controls.
Method: Randomised controlled trial (AEARCTR-0001082). Volunteers for the study, aged 18-30, were randomly allocated to one of two interventions or one of two control groups and were followed up four weeks later. Primary outcomes were AUDIT-C, drinking harms and preloading.
Drinks Meter provided participants with brief screening and advice for alcohol in addition to normative feedback, information on calories consumed and money spent. OneTooMany presented a series of socially embarrassing scenarios that may occur when drinking, and participants were scored according to if/ how recently they had been experienced.
Results: The study failed to recruit and obtain sufficient follow-up data to reach a prior estimated power for detecting a difference between groups and there was no indication in the analysable sample of 402 subjects of a difference on the primary outcome measures (Drinks Meter; AUDIT-C IRR=0.98 (0.89-1.09); Pre-loading IRR=1.01 (0.95-1.07); Harms IRR=0.97 (0.79-1.20); OneTooMany; AUDIT-C IRR=0.96 (0.86-1.07); Pre-loading IRR=0.99 (0.93-1.06); Harms IRR=1.16 (0.94-1.43).
Conclusion: Further research is needed on the efficacy of such instruments and their ingredients. However, recruitment and follow-up are a challenge.
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Paper Citation
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Emma L Davies, Adam J Lonsdale, Sarah E Hennelly, Adam R Winstock, David R Foxcroft, Personalized Digital Interventions Showed no Impact on Risky Drinking in Young Adults: A Pilot Randomized Controlled Trial, Alcohol and Alcoholism, Volume 52, Issue 6, November 2017, Pages 671–676, https://doi.org/10.1093/alcalc/agx051
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