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Vitamin D intake among young Canadian adults: validation of a mobile vitamin D calculator app.

Authors :
Goodman S
Morrongiello B
Randall Simpson J
Meckling K
Source :
Journal of nutrition education and behavior [J Nutr Educ Behav] 2015 May-Jun; Vol. 47 (3), pp. 242-7.
Publication Year :
2015

Abstract

Objective: To establish the validity and reproducibility of the dietary component of a mobile vitamin D calculator app.<br />Methods: Participants entered their dietary intake into the Vitamin D Calculator app on 3 recording days over 1 month and underwent subsequent 24-hour dietary recalls.<br />Results: There were 50 adults (25 female), aged 18-25 years (mean, 22 ± 2 years). Paired-samples t tests tested for significant differences (P < .05) in mean vitamin D and calcium intake between the app and dietary recalls; Bland-Altman plots assessed agreement between the 2 measures. Intra-class correlations and Wilcoxon signed-rank tests assessed reproducibility of intakes estimated by the app. Mean vitamin D (n = 50) and calcium (n = 48) intakes and risk classifications did not differ significantly between the 2 measures (P > .05).<br />Conclusions and Implications: The Vitamin D Calculator app is a valid classification measure for dietary vitamin D and calcium intake. This tool could be used by the general public to increase awareness and intake of these nutrients.<br /> (Copyright © 2015 Society for Nutrition Education and Behavior. Published by Elsevier Inc. All rights reserved.)

Details

Language :
English
ISSN :
1878-2620
Volume :
47
Issue :
3
Database :
MEDLINE
Journal :
Journal of nutrition education and behavior
Publication Type :
Academic Journal
Accession number :
25959447
Full Text :
https://doi.org/10.1016/j.jneb.2014.11.006