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Who does or does not use the 'Corona-Warn-App' and why?

Kai T Horstmann, Susanne Buecker1, Julia Krasko1

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Older adults, females, and those with low trust in others were less likely to use Germany's Corona-Warn-App. Key barriers included privacy concerns and doubts about its effectiveness.

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Area of Science:

  • Public Health
  • Digital Health
  • Behavioral Science

Background:

  • The German government deployed the Corona-Warn-App to mitigate SARS-CoV-2 transmission.
  • Understanding user adoption is crucial for public health interventions involving digital tools.

Purpose of the Study:

  • To identify characteristics of non-users of the Corona-Warn-App.
  • To determine the primary reasons for non-adoption of the Corona-Warn-App.

Main Methods:

  • Survey of 1972 German adults regarding Corona-Warn-App usage.
  • Analysis of demographic, health, and trust factors associated with non-usage.
  • Qualitative assessment of reasons cited by non-users.

Main Results:

  • Non-users were disproportionately older, female, healthier, in training, and reported lower general trust.
  • Top reasons for non-use included privacy concerns, skepticism about the app's effectiveness, and lack of necessary technology.

Conclusions:

  • Targeted strategies are needed to address barriers for specific demographics.
  • Building trust and demonstrating efficacy are vital for promoting adoption of digital public health tools.