Journal article
A Food Frequency Questionnaire for the Assessment of Calcium, Vitamin D and Vitamin K: A Pilot Validation Study
Abstract
The study objective was to validate a food frequency questionnaire (FFQ) to assess calcium, vitamin D and vitamin K intakes in overweight and obese postmenopausal community-dwelling women. The FFQ was validated against intakes derived from a 5-day diet record (5DDR) that also included assessment of supplement intake. Strong correlations between methods were observed for all nutrients (r = 0.63, 0.89, 0.54 for calcium, vitamin D and vitamin K, …
Authors
Pritchard JM; Seechurn T; Atkinson SA
Journal
Nutrients, Vol. 2, No. 8, pp. 805–819
Publisher
MDPI
Publication Date
August 2010
DOI
10.3390/nu2080805
ISSN
2072-6643