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Comparison of a web-based 24-h dietary recall tool (Foodbook24) to an interviewer-led 24-h dietary recall
Timon, Claire; Evans, Katie; Kehoe, Laura; Blain, Richard J.; Flynn, Albert; Gibney, Eileen R.; Walton, Janette
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.
Keyword(s): Foodbook24; Dietary assessment; Web-based; Comparison; Interviewer led; 24 h dietary recall; Self-administered
Publication Date:
2017
Type: Journal article
Peer-Reviewed: Yes
Language(s): English
Institution: University College Cork
Citation(s): Timon, C., Evans, K., Kehoe, L., Blain, R., Flynn, A., Gibney, E. and Walton, J. (2017) ‘Comparison of a web-Bbased 24-h dietary recall tool (Foodbook24) to an interviewer-led 24-h dietary recall’, Nutrients, 9(5), 425 (14pp). doi:10.3390/nu9050425
Publisher(s): MDPI
File Format(s): application/pdf
First Indexed: 2017-05-11 05:33:29 Last Updated: 2017-09-06 06:38:25