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Assessing the User Experience of the EU Mobile App for Cancer Prevention: Mixed Methods Study.

Furqan Ahmed1, Silvana Romero Saletti2, Erica D'Souza3

  • 1Department of Prevention and Evaluation, Leibniz Institute for Prevention Research and Epidemiology, Achterstraße 30, Bremen, 28359, Germany, 49 42121856913.

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Summary

The EU Mobile App for Cancer Prevention is generally usable but needs design improvements for diverse digital health literacy levels. Enhancements in accessibility, user-centric design, and privacy are key for wider adoption and sustained engagement in cancer prevention efforts.

Keywords:
European Code Against Cancercancer preventiondigital health literacymobile applicationusability testing

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Area of Science:

  • Public Health
  • Digital Health
  • Cancer Prevention

Background:

  • Cancer incidence remains high globally, with Europe disproportionately affected due to demographic and lifestyle factors.
  • Approximately 40% of cancer cases are preventable through interventions targeting modifiable risk factors.
  • The EU Mobile App for Cancer Prevention aims to disseminate evidence-based recommendations from the European Code Against Cancer.

Purpose of the Study:

  • To evaluate the usability of the EU Mobile App for Cancer Prevention across diverse European populations.
  • To identify enablers and barriers to app use, focusing on variations in digital health literacy and sociodemographic backgrounds.
  • To gather user feedback on app design elements to inform future improvements.

Main Methods:

  • A mixed-methods study involving 76 adults across 7 European countries.
  • Quantitative usability testing of app wireframes, measuring task completion, time, success rates, confidence, and perceived difficulty.
  • Qualitative data collection through focus groups, analyzed thematically, alongside digital health literacy assessment (eHEALS).

Main Results:

  • Overall task completion rates indicated general usability (median 86%), but performance varied significantly by age, education, and digital health literacy.
  • Younger, highly educated, and digitally literate users reported higher confidence and lower difficulty.
  • Key themes influencing usability included the need for accessibility (multilingual, simple language), user-centric design, data privacy, and motivational features.

Conclusions:

  • The app demonstrates general usability but requires design adaptations to cater to varying digital health literacy levels.
  • Streamlined interfaces, enhanced accessibility, robust data privacy, and motivational features are crucial for user trust and sustained engagement.
  • Future research will focus on piloting the finalized app to assess real-world impact on cancer prevention behaviors.