Journal article
Vitamin D Intake From Food and Supplements Among Ontario Women Based on the US Block Food Frequency Questionnaire With and Without Modification for Canadian Food Values
Abstract
ObjectivesTo measure and compare dietary vitamin D intake among women in Ontario using a modified Block 1998 (US) food frequency questionnaire (FFQ) before and after modification for Canadian-specific vitamin D food fortification.MethodsAn age-stratified random sample of 3,471 women in Ontario (aged 25–74) was identified using random digit dialing methods. Standard US food values and a modified Canadian-specific vitamin D nutrient analysis were …
Authors
Anderson LN; Cotterchio M; Boucher BA; Knight JA; Block T
Journal
Canadian Journal of Public Health, Vol. 101, No. 4, pp. 318–321
Publisher
Springer Nature
Publication Date
7 2010
DOI
10.1007/bf03405294
ISSN
0008-4263