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The acceptability of repeat Internet-based hybrid diet assessment of previous 24-h dietary intake: administration of the Oxford WebQ in UK Biobank

Galante, Julieta, Adamska, Ligia, Young, Alan, Young, Heather, Littlejohns, Thomas J., Gallacher, John Edward ORCID: https://orcid.org/0000-0002-2394-5299 and Allen, Naomi 2016. The acceptability of repeat Internet-based hybrid diet assessment of previous 24-h dietary intake: administration of the Oxford WebQ in UK Biobank. British Journal of Nutrition 115 (4) , pp. 681-686. 10.1017/S0007114515004821

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Abstract

Although dietary intake over a single 24-h period may be atypical of an individual’s habitual pattern, multiple 24-h dietary assessments can be representative of habitual intake and help in assessing seasonal variation. Web-based questionnaires are convenient for the participant and result in automatic data capture for study investigators. This study reports on the acceptability of repeated web-based administration of the Oxford WebQ – a 24-h recall of frequency from a set food list suitable for self-completion from which energy and nutrient values can be automatically generated. As part of the UK Biobank study, four invitations to complete the Oxford WebQ were sent by email over a 16-month period. Overall, 176 012 (53 % of those invited) participants completed the online version of the Oxford WebQ at least once and 66 % completed it more than once, although only 16 % completed it on all four occasions. The response rate for any one round of invitations varied between 34 and 26 %. On most occasions, the Oxford WebQ was completed on the same day that they received the invitation, although this was less likely if sent on a weekend. Participants who completed the Oxford WebQ tended to be white, female, slightly older, less deprived and more educated, which is typical of health-conscious volunteer-based studies. These findings provide preliminary evidence to suggest that repeated 24-h dietary assessment via the Internet is acceptable to the public and a feasible strategy for large population-based studies.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: R Medicine > R Medicine (General)
Publisher: Nuitrition Society
ISSN: 0007-1145
Date of Acceptance: 2 November 2015
Last Modified: 31 Oct 2022 10:34
URI: https://orca.cardiff.ac.uk/id/eprint/85379

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