The design of a mobile portion size estimation interface for a low literacy population

Beenish Chaudry, Kay Connelly, Katie A. Siek, Janet L. Welch

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Scopus citations

Abstract

Being aware of one's portion sizes is a key component of maintaining a healthy diet, however, it is difficult for individuals especially low literacy populations to estimate their consumption. Nutritional monitoring applications can help but most of them are designed for people with high literacy and numeracy skills. In this paper, we designed and evaluated six portion size estimation interfaces through a Wizard of Oz based experiment using low-fidelity prototypes with ten varying literacy individuals. The interfaces were designed based on the cognitive strategies adults use for reporting portion sizes in diet recall studies. Participants made correct estimates with interfaces designed for liquid and amorphous foods, but had difficulties with those designed for solid foods. Based on these findings, we provide recommendations for designing accurate and low literacy-accessible portion size estimating mobile interfaces.

Original languageEnglish (US)
Title of host publication2011 5th International Conference on Pervasive Computing Technologies for Healthcare and Workshops, PervasiveHealth 2011
Pages160-167
Number of pages8
DOIs
StatePublished - Oct 31 2011
Event2011 5th International Conference on Pervasive Computing Technologies for Healthcare and Workshops, PervasiveHealth 2011 - Dublin, Ireland
Duration: May 23 2011May 26 2011

Publication series

Name2011 5th International Conference on Pervasive Computing Technologies for Healthcare and Workshops, PervasiveHealth 2011

Other

Other2011 5th International Conference on Pervasive Computing Technologies for Healthcare and Workshops, PervasiveHealth 2011
CountryIreland
CityDublin
Period5/23/115/26/11

Keywords

  • interface design
  • low fidelity prototype
  • low literacy
  • low numeracy
  • mobile application
  • portion estimation aid

ASJC Scopus subject areas

  • Computer Science Applications
  • Health Information Management
  • Health Informatics

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  • Cite this

    Chaudry, B., Connelly, K., Siek, K. A., & Welch, J. L. (2011). The design of a mobile portion size estimation interface for a low literacy population. In 2011 5th International Conference on Pervasive Computing Technologies for Healthcare and Workshops, PervasiveHealth 2011 (pp. 160-167). [6038783] (2011 5th International Conference on Pervasive Computing Technologies for Healthcare and Workshops, PervasiveHealth 2011). https://doi.org/10.4108/icst.pervasivehealth.2011.246113