uSafeUS+ App Pilot Testing for Alcohol and Sexual Assault Risk

This study is testing a new mobile app called uSafeUS+ to see if it can help college students reduce their risk of alcohol-related problems and sexual assault. We want to find out if students like the app, how often they use it, and if it helps them make safer choices. You might be able to join if you are between 18 and 25 years old, live on or near a participating university campus, own a smartphone, and regularly drink alcohol or engage in social activities. The study will compare the uSafeUS+ app to the existing uSafeUS app (which focuses only on sexual assault) and a group that only completes surveys. We will measure how many people join the study and how many stay involved for one and two months.

Study design: This is a pilot study with 90 participants, divided into three groups. It is an interventional study, meaning participants will receive an intervention.
What's involved: Not specified in the trial record.
Compensation: Not stated in the trial record.
Follow-up: Participants will be followed for one month and then again at two months after enrolling.

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uSafeUS+ App Pilot Testing

Recruiting

NAAges 18–25InterventionalPrevention

University of Florida

~90 participants

Updated 2026-06-15 on ClinicalTrials.gov

What's tested:uSafeUS+uSafeUS

At a glance

Recruiting sites

1 of 2 listed sites are recruiting right now

RecruitingSuspended, closed, or not yet open

What they're measuring

Enrollment Rate

Measured over Baseline

+8 more outcomes measured

Conditions

Alcohol Consumption

Sexual Assault

Where it's being run

2 sites across 2 states

Florida1

New Hampshire1

Who to contact

Nichole Scaglione, PhD

[email protected]

3522940548

Email the study team

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Do you actually qualify for this trial?

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Eligibility criteria

Inclusion

Participants must be between the ages of 18 and 25 years old;

Currently enrolled as a residential undergraduate student at a participating university;

Intend to reside on or near (in the same town) campus over the two-month study period

Own a smartphone/mobile device;

Have consumed at least one alcoholic beverage per week or engaged in dating or social behaviors where alcohol is present at least once a week over the past 30 days;

Intend to drink or go out at the same frequency (at least weekly) over the two-month study period

Exclusion

Unable or unwilling to provide informed consent

What this trial measures

Enrollment RateBaseline
The proportion of eligible participants (based on screening completion) who formally enroll in the study and complete baseline procedures.
Retention from enrollment to 1-month follow up.1-month follow-up
Retention from enrollment to 1-month follow-up will be defined as the proportion of enrolled participants who complete the 1-month follow-up assessment.
Retention from enrollment to 2-month follow up.2-month follow up
Retention from enrollment to 2-month follow-up will be defined as the proportion of enrolled participants who complete the 2-month follow-up assessment.
Daily Protocol Compliance1-month (assessed via daily surveys)
For all groups, the investigators will calculate the percentage of daily surveys that each participant completes.
App use protocol compliance1-month (assessed via daily surveys)
The investigators will record the percentage of participants in uSafeUS+® and uSafeUS® groups who use the app at least weekly (minimum compliance)
Overall App Usage1-month (assessed via daily surveys)
Number of days students use the app during the 1-month exposure period; this will be captured in the daily diaries for the uSafeUS+ and uSafeUS app groups.
Overall App Acceptability1-month Follow Up (immediately post-intervention exposure)
Overall app feature acceptability will be assessed at the end of the exposure period using the System Usability Scale (SUS). At 1 month Follow-up, the investigators will assess acceptability via SUS total score.
Event- Level App Feature Acceptability1-month (assessed via daily surveys)
Within the daily surveys, feature acceptability assessments are adapted from standard app usability measures, such as the System Usability Scale (SUS; Brooke, 1996; Lewis, 2018) to assess the extent to which students found the features was easy to use. The investigators will report the aggregate mean (SD) across the features and app use period.
Event- Level App Messaging Acceptability1-month (assessed via daily surveys)
Adapted from measures used in Dr. Suffoletto's text-based intervention work and Dr. Scaglione's tailored app-based intervention development, the investigators will assess whether the real-time and engagement message content felt personally relevant. Daily diary measures will adapt these items to ask specifically about any messages they received the day before. The investigators will report an aggregate mean (SD) across the app use period for the uSafeUS+ group.

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