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NCT07830394NARecruitingAccepts Healthy Volunteers

Mobile Sun Health Intervention EnabLing Daily Protection

University of Utah

Start Date

7/13/2026

Completion Date

8/1/2027

Summary

The overall purpose of this proposal is to refine a mobile-health (mHealth) system to reduce excessive unprotected sun exposure among young adults. Participants will complete a 4-week intervention with all intervention components delivered through the mHealth application. Intervention components include Text Message Reminders, Sun Protection Education Modules, Action Planning Module, and UV Radiation (UVR) Weather Information.

Detailed Description

mHealth tools provide an ideal opportunity for reducing young adults' UVR exposure. mSHIELD intervention components were selected to target key constructs (e.g., self-efficacy, barrier reduction) within Social Cognitive Theory (SCT) which are associated with sun protection behaviors. The initial concept for the mSHIELD intervention includes the following four components: real-time UVR alerts and feedback; UVR weather forecasts; text messages; and action planning. Although these components provide a good fit with SCT constructs and utilize evidence-based behavior change strategies, they have rarely been used in the context of mHealth for sun protection, and this will be the first mHealth intervention for sun protection to apply all four of these components simultaneously. Therefore, prior to testing mSHIELD in a large study, it will be important to refine components based on user preferences and pilot tests. To test the pilot intervention, participants will complete a 4-week intervention with all intervention components delivered through the study application. Intervention components will include: text messages, sun protection education modules, an action planning module, and UVR/weather information. The modules/components are used for the entire 4-week intervention period. Immediately following the 4-week intervention, participants will be asked to complete a post-intervention survey and study interview. Participants will also be asked to complete a survey one month post-intervention. Participants will receive up to 5 reminders to complete each study activity through each of their approved communication methods (e.g., email). Data collected at the one-month post-intervention surveys will be analyzed and compared to baseline values. For this study, the criteria for a clinically significant impact will be that a participant reports no sunburns and now frequently uses sunscreen and at least one other sun protection method during outdoor time; a priori, a benchmark of at least 50% of participants reaching this criteria is set to indicate whether the intervention can proceed to larger-scale testing or if further refinements are needed.

Eligibility Criteria

Age Range: 18 years to 29 years

Inclusion Criteria: * Individual is at least 18 years old; AND * Individual reports having at least one sunburn in the last year; AND/OR * Individual reports using sunscreen plus one or more other sun protection behavior (protective clothing, shade, etc.) infrequently (i.e. never/seldom/sometimes) Exclusion Criteria: * Individual does not speak/read English; AND/OR * Individual reports a personal history of skin cancer

Interventions

BEHAVIORAL

Text Message Reminders

BEHAVIORAL

Sun Protection Education Modules

BEHAVIORAL

Action Planning Module

BEHAVIORAL

UV Radiation (UVR) Weather Information

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Conditions

Skin Cancer

Locations

Tammy Stump

Salt Lake City, Utah 84112

United States