A validated FFQ to determine dietary intake of vitamin D.

ABSTRACT:

Objective

The aim of the present study was to develop and validate a vitamin D FFQ for assessment of dietary vitamin D intake in healthy adults in England, UK.

Design

The current study assessed the agreement between a four-day food diary (4 d-FD) and a new vitamin D FFQ to measure dietary intake of vitamin D. Dietary intake was estimated using Nutritics dietary analysis software, and Spearman's and Bland-Altman tests were utilised to assess correlation and agreement, respectively. Participants also provided a blood sample for plasma analysis of vitamin D concentrations.

Setting

Home setting.

Participants

Fifty participants were recruited to the study from the University of Chester and vicinity.

Results

Results showed a strong correlation between vitamin

SUBMITTER: Watkins S 

PROVIDER: S-EPMC10195255 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature