Problematic Alcohol Use Clinical Trial
Official title:
Brief Alcohol Interventions With Mobile Phone Applications for University Students: A Randomized Controlled Trial
Objectives: This study evaluates the efficacy of two mobile phone applications, Promillekoll
and PartyPlanner among university government members at two universities in Stockholm,
Sweden. The design is a three-armed randomized controlled design, and outcomes are measured
in terms of changes in problematic alcohol use at follow up 7 weeks after study initiation
and baseline data gathering. Both the Promillekoll and PartyPlanner apps feature real time
registration of alcohol consumption and giving feedback of estimated blood alcohol
concentration levels. Both apps inform and warn the user when the estimated alcohol level is
above 0.6%, a level set that is below risky consumption levels. PartyPlanner additionally
provides the possibility of simulating and planning an alcohol consumption event in advance
and later on comparing it with the real time registration at the event.
Method: Participants with problematic alcohol use (AUDIT >7 for men and >5 for women) are
randomized into one of three groups: 1. Access to Promillekoll, 2. Access to PartyPlanner and
3. Control group. Outcomes on alcohol use as well as information on the users' satisfaction
with the app assigned to them gathered after 7 weeks.
The hypotheses are: 1. The groups receiving the Promillekoll and PartyPlanner interventions
will reduce their alcohol use to a larger extent than the control group at follow-up compared
to the baseline level. 2. The addition of the possibility to plan events beforehand
(PartyPlanner) will lead to an increased decrease in alcohol consumption to only real-time
use (Promillekoll).
Background Brief interventions via the internet have been shown to reduce university
students' alcohol intake. This study tested two smartphone applications (apps) targeting
drinking choices on party occasions, with the goal of reducing problematic alcohol intake
among Swedish university students.
Methods Students were recruited via e-mails sent to student union members at two
universities. Those who gave informed consent, had a smartphone, and showed risky alcohol
consumption according to the Alcohol Use Disorders Identification Test (AUDIT) were
randomized into three groups. Group 1 had access to the Swedish government alcohol monopoly's
app, Promillekoll, offering real-time estimated blood alcohol concentration (eBAC)
calculation; Group 2 had access to a web-based app, PartyPlanner, developed by the research
group, offering real-time eBAC calculation with planning and follow-up functions; and Group 3
participants were controls. Follow-up was conducted at 7 weeks.
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