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Related Experiment Video

Updated: Dec 5, 2025

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake
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Privacy Perceptions and Concerns in Image-Based Dietary Assessment Systems: Questionnaire-Based Study.

Aakash Sharma1, Katja P Czerwinska2, Lars Brenna1

  • 1Department of Computer Science, UiT - The Arctic University of Norway, Tromsø, Norway.

JMIR Human Factors
|October 15, 2020
PubMed
Summary

Understanding data use motives is key for sharing in elite athlete nutrition research. Addressing privacy concerns in image-based dietary assessments builds trust and encourages participation in performance development studies.

Keywords:
data sharingdietary assessmenthuman factors, mobile phoneimage-based dietary assessmentmobile food recordsprivacyprivacy perception

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Area of Science:

  • Sports Science and Nutrition
  • Human-Computer Interaction
  • Data Privacy

Background:

  • Privacy perceptions are crucial for processing personal data in elite athlete performance research, especially concerning nutritional aspects.
  • Image-based dietary assessments require understanding subject privacy concerns before adopting automated data capture tools.
  • Contextual integrity in privacy emphasizes information flow sensitivity, yet empirical evidence on privacy violations in long-running dietary studies is lacking.

Purpose of the Study:

  • To investigate common perceptions of computer systems utilizing food images for dietary assessment.
  • To explore perceived risks and data-sharing behaviors associated with image-based dietary data.
  • To inform the design of privacy-aware systems for elite athlete nutrition monitoring.

Main Methods:

  • A web-based survey was employed to investigate the privacy perceptions of 105 individuals.
  • Analysis included perceptions of risks associated with sharing dietary information with third parties.
  • Exploration of factors influencing data sharing behavior in the context of dietary assessments.

Main Results:

  • Understanding the motive behind data utilization significantly increases the likelihood of data sharing within a social group.
  • Participants' willingness to share dietary data is influenced by the perceived purpose of its use.
  • Varying individual behaviors were observed regarding metadata sharing based on transparency of data usage.

Conclusions:

  • Privacy concerns identified in this study should be addressed during the system design phase of image-based dietary assessment tools.
  • Designing systems compliant with general data protection regulations fosters trust among participants and stakeholders.
  • Innovative solutions are needed to mitigate the intrusiveness of continuous dietary assessments, balancing data needs with privacy protection.