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Open AccessArticle

Comparison of a Web-Based 24-h Dietary Recall Tool (Foodbook24) to an Interviewer-Led 24-h Dietary Recall

1
Institute of Food and Health, University College Dublin, Belfield, Dublin 4, Ireland
2
School of Food and Nutritional Sciences, University College Cork, Cork T12 YN60, Ireland
*
Author to whom correspondence should be addressed.
Both authors contributed equally to this manuscript.
Nutrients 2017, 9(5), 425; https://doi.org/10.3390/nu9050425
Received: 9 December 2016 / Revised: 19 April 2017 / Accepted: 20 April 2017 / Published: 25 April 2017
(This article belongs to the Special Issue Technology Based Approaches to Dietary Intake Assessment)
Web-based tools have the potential to reduce the cost of dietary assessment; however, it is necessary to establish their performance compared to traditional dietary assessment methods. This study aims to compare nutrient and food intakes derived from Foodbook24 to those obtained from an interview-led 24-h dietary recall (24HDR). Seventy-nine adult participants completed one self-administered 24HDR using Foodbook24 and one interviewer-led 24HDR on the same day. Following a 10 days wash-out period the same process was completed again in opposite order to the previous study visit. Statistical analysis including Spearman’s rank order correlation, Mann-Whitney U tests, cross-classification analysis, and “Match”, “Omission”, and “Intrusion” rates were used to investigate the relationship between both methods. Strong, positive correlations of nutrient intake estimated using both methods was observed (rs = 0.6–1.0; p < 0.001). The percentage of participants classified into the same tertile of nutrient intake distribution using both methods ranged from 58% (energy) to 82% (vitamin D). The overall match rate for food intake between both methods was 85%, while rates for omissions and intrusions were 11.5% and 3.5%, respectively. These results, alongside the reduced cost and participant burden associated with Foodbook24, highlight the tool’s potential as a viable alternative to the interviewer-led 24HDR. View Full-Text
Keywords: Foodbook24; dietary assessment; web-based; comparison; interviewer led; 24 h dietary recall; self-administered Foodbook24; dietary assessment; web-based; comparison; interviewer led; 24 h dietary recall; self-administered
MDPI and ACS Style

Timon, C.M.; Evans, K.; Kehoe, L.; Blain, R.J.; Flynn, A.; Gibney, E.R.; Walton, J. Comparison of a Web-Based 24-h Dietary Recall Tool (Foodbook24) to an Interviewer-Led 24-h Dietary Recall. Nutrients 2017, 9, 425.

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