Online dietary intake assessment using a graphical food frequency app (eNutri): Usability metrics from the EatWellUK study.

ABSTRACT:

Background

With widespread use of the internet, lifestyle and dietary data collection can now be facilitated using online questionnaires as opposed to paper versions. We have developed a graphical food frequency assessment app (eNutri), which is able to assess dietary intake using a validated food frequency questionnaire (FFQ) and provide personalised nutrition advice. FFQ user acceptance and evaluation have not been investigated extensively and only a few studies involving user acceptance of nutrition assessment and advice apps by older adults are published.

Methods

A formative study with 20 participants (including n = 10 ≥60 years) assessed the suitability of this app for adults and investigated improvements to its usability. The outcomes of this formative study were appli

SUBMITTER: Zenun Franco R 

PROVIDER: S-EPMC6086444 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature