To what extent do food purchases reflect shoppers' diet quality and nutrient intake?

ABSTRACT:

Background

Food purchasing is considered a key mediator between the food environment and eating behavior, and food purchasing patterns are increasingly measured in epidemiologic and intervention studies. However, the extent to which food purchases actually reflect individuals' dietary intake has not been rigorously tested. This study examined cross-sectional agreement between estimates of diet quality and nutrient densities derived from objectively documented household food purchases and those derived from interviewer-administered 24-h diet recalls. A secondary aim was to identify moderator variables associated with attenuated agreement between purchases and dietary intake.

Methods

Primary household food shoppers (N = 196) collected and annotated receipts for all household f

SUBMITTER: Appelhans BM 

PROVIDER: S-EPMC5387266 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature