Relative validity of a short screener to assess diet quality in patients with severe obesity before and after bariatric surgery.

ABSTRACT:

Objective

To determine the relative validity and reproducibility of the Eetscore FFQ, a short screener for assessing diet quality, in patients with (severe) obesity before and after bariatric surgery (BS).

Design

The Eetscore FFQ was evaluated against 3-d food records (3d-FR) before (T0) and 6 months after BS (T6) by comparing index scores of the Dutch Healthy Diet index 2015 (DHD2015-index). Relative validity was assessed using paired t tests, Kendall's tau-b correlation coefficients (τb), cross-classification by tertiles, weighted kappa values (k _w ) and Bland-Altman plots. Reproducibility of the Eetscore FFQ was assessed using intraclass correlation coefficients (ICC).

Setting

Regional hospital, the Netherlands.

Participant

SUBMITTER: Heusschen L 

PROVIDER: S-EPMC9991825 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature