Portion Size Norms of Discretionary Foods and Eating Settings: A Repeated Cross-Sectional Study.

ABSTRACT:

Background

The increase in serving sizes of energy-dense nutrient-poor discretionary foods over time, with attractively presented large servings and package sizes, has led to portion distortion and a new 'normal' for serving sizes. Little data exists on the variations of portion size norms of discretionary foods across settings. This study aimed to examine the differences in the range of normal portion sizes of commonly consumed foods between home and out-of-home settings (coffee shops, restaurants).

Methods

A repeated cross-sectional design was used, with nine selected discretionary foods and beverages included in a validated online image-series questionnaire. Participants completed the questionnaire at two time points to report their normal portion sizes in home and out-of

SUBMITTER: Liu Q 

PROVIDER: S-EPMC11547615 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature