Smartphone-based secondary prevention intervention for university students with unhealthy alcohol use identified by screening: study protocol of a parallel group randomized controlled trial

Effect of a smartphone intervention as a secondary prevention for use among university students with unhealthy alcohol use: randomised controlled trial

OBJECTIVE

To estimate the effects of providing access to an alcohol intervention based on a smartphone.

DESIGN

Randomised controlled trial..

SETTING

Four higher education institutions in Switzerland.

PARTICIPANTS

1770 students (≥18 years) who screened positive for unhealthy alcohol use (ie, a score on the alcohol use disorders identification test-consumption (AUDIT-C) of ≥4 for men and ≥3 for women) were randomly assigned by 1:1 allocation ratio in blocks of 10.

INTERVENTION

Providing access to a brief, smartphone based alcohol intervention.

OUTCOME MEASURES

The primary outcome studied was number of standard drinks per week at six months and the secondary outcome was number of heavy drinking days (past 30 days). Additional outcomes were maximum number of drinks consumed on one occasion, alcohol related consequences, and academic performance. Follow-up assessments occurred at months three, six, and 12. Data were analysed by intention to treat and by using generalised linear mixed models with random intercepts for the recruitment site and participants nested within the recruitment site, and with intervention (v control), time (three months v six months; 12 months v six months), and baseline outcome values as fixed effects.

RESULTS

Between 26 April 26 2021 and 30 May 2022, 1770 participants (intervention group (n=884); control group (n=886)) were included. Mean age was 22.4 years (standard deviation 3.07); 958 (54.1%) were women; and 1169 (66.0%) were undergraduate students, 533 (30.1%) were studying for a master's degree, 43 (2.4%) were studying for a doctorate, and 25 (1.4%) were students of other higher education programme. The baseline mean number of standard drinks per week was 8.59 (standard deviation 8.18); the baseline number of heavy drinking days was 3.53 (4.02). Of 1770 participants, follow-up rates were 1706 (96.4%) at three months, 1697 (95.9%) at six months, and 1660 (93.8%) at 12 months. Of 884 students randomly assigned to the intervention group, 738 (83.5%) downloaded the smartphone application. The intervention had a significant overall effect on the number of standard drinks per week (incidence rate ratio 0.90 (95% confidence interval 0.85 to 0.96)), heavy drinking days (0.89 (0.83 to 0.96)), and the maximum number of drinks consumed on one occasion (0.96 (0.93 to 1.00), P=0.029), indicating significantly lower drinking outcomes in the intervention group than in the control group during the follow-up period. The intervention did not affect alcohol related consequences or academic performance.

CONCLUSIONS

Providing access to the smartphone application throughout the 12 month follow-up was effective at limiting the average drinking volume of university students who had self-reported unhealthy alcohol use at baseline.

TRIAL REGISTRATION

ISRCTN 10007691.

Development of a Secondary Prevention Smartphone App for Students With Unhealthy Alcohol Use: Results From a Qualitative Assessment

BACKGROUND

Despite considerable efforts devoted to the development of prevention interventions aiming at reducing unhealthy alcohol use in tertiary students, their delivery remains often challenging. Interventions including information technology are promising given their potential to reach large parts of the population.

OBJECTIVE

This study aims to develop a secondary prevention smartphone app with an iterative qualitative design involving the target population.

METHODS

The app development process included testing a first prototype and a second prototype, developed based on the results of 2 consecutive qualitative assessments. Participants (aged ≥18 years, screened positive for unhealthy alcohol use) were students from 4 tertiary education institutions in the French-speaking part of Switzerland. Participants tested prototype 1 or prototype 2 or both and provided feedback in 1-to-1 semistructured interviews after 2-3 weeks of testing.

RESULTS

The mean age of the participants was 23.3 years. A total of 9 students (4/9 female) tested prototype 1 and participated in qualitative interviews. A total of 11 students (6/11 female) tested prototype 2 (6 who tested prototype 1 and 5 new) and participated in semistructured interviews. Content analysis identified 6 main themes: "General Acceptance of the App," "Importance of the Targeted and Relevant App Content," "Importance of Credibility," "Importance of the App Usability," "Importance of a Simple and Attractive Design," "Importance of Notifications to Ensure App Use over Time." Besides a general acceptance of the app, these themes reflected participants' recommendations toward increased usability; to improve the design; to include useful and rewarding contents; to make the app look serious and credible; and to add notifications to ensure its use over time. A total of 11 students tested prototype 2 (6 who tested prototype 1 and 5 new) and participated in semistructured interviews. The 6 same themes emerged from the analysis. Participants from phase 1 generally found the design and content of the app improved.

CONCLUSIONS

Students recommend prevention smartphone apps to be easy to use, useful, rewarding, serious, and credible. These findings may be important to consider when developing prevention smartphone apps to increase the likelihood of app use over time.

TRIAL REGISTRATION

ISRCTN registry 10007691; https://www.isrctn.com/ISRCTN10007691.

INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID)

RR2-10.1186/s13063-020-4145-2.

COVID-19 and the opportunity for gender-responsive virtual and remote substance use treatment and harm reduction services

The COVID-19 pandemic has increased the uptake of virtual and remote service delivery in the substance use field, which was previously uncommon. This swift uptake of virtual services provides an opportunity to improve service design to meet the diverse needs of women and gender-diverse people. Such services have the potential to better meet the needs of women and gender-diverse people by allowing for increased choice, control, and autonomy, enabling empowerment, facilitating greater considerations of power relations, violence, childcare responsibilities, and fostering greater inclusion of trans and non-binary people. This commentary aims to identify how virtual and remote delivery of substance use treatment and harm reduction services can be gender-responsive. We highlight the role gender transformative services play in meeting the unique needs of women and gender-diverse people who use drugs both during and after the COVID-19 pandemic. By using the unique window of opportunity COVID-19 has created to develop and deliver gender-transformative programs, we can help address the detrimental gaps in service accessibility and effectiveness that have persistently been experienced by women and gender-diverse people who use drugs.

Insight into Selecting Adolescents for Drinking Intervention Programs: a Simulation Based on Stochastic Actor-Oriented Models

Adolescent drinking remains a prominent public health and socioeconomic issue in the USA with costly consequences. While numerous drinking intervention programs have been developed, there is little guidance whether certain strategies of participant recruitment are more effective than others. The current study aims at addressing this gap in the literature using a computer simulation approach, a more cost-effective method than employing actual interventions. We first estimate stochastic actor-oriented models for two schools from the National Longitudinal Study of Adolescent to Adult Health (Add Health). We then employ different strategies for selecting adolescents for the intervention (either based on their drinking levels or their positions in the school network) and simulate the estimated model forward in time to assess the aggregated level of drinking in the school at a later time point. The results suggest that selecting moderate or heavy drinkers for the intervention produces better results compared to selecting casual or light drinkers. The intervention results are improved further if network position information is taken into account, as selecting drinking adolescents with higher in-degree or higher eigenvector centrality values for intervention yields the best results. Results from this study help elucidate participant selection criteria and targeted network intervention strategies for drinking intervention programs in the USA.

Developing a digital health strategy for people who use drugs: Lessons from COVID-19

COVID-19 has significantly exacerbated negative health and social outcomes for people who use drugs (PWUD) around the world. The closure of harm reduction services, ongoing barriers to employment and housing, and pre-existing physical and mental health conditions have increased harms for diverse communities of PWUD. Adapting current models of health and human service delivery to better meet the needs of PWUD is essential in minimizing not only COVID-19 but also drug-related morbidity and mortality. This article draws on research, practice, and advocacy experiences, and discusses the potential for digital health tools such as remote monitoring and telecare to improve the continuum of care for PWUD. We call for a digital health strategy for PWUD and provide recommendations for future program development and implementation.