Development and validation of a food frequency questionnaire in adult Saudi subjects in Jeddah city.

ABSTRACT:

Background and aims

In Saudi Arabia, very limited studies have been conducted to evaluate the validity of culturally appropriate food frequency questionnaire (FFQ). The aim of this study was to validate a newly designed FFQ against two reference methods in Saudi adults.

Methods

A new FFQ adapted from the Block FFQ was completed via interview and validated against three-day food records (3DFRs; n = 126) and 24-hour urinary urea nitrogen (UUN)-based protein intake estimates (n = 118) in adult Saudis living in Jeddah. FFQ-estimated nutrient intake was compared to the 3DFR and UUN methods using Pearson's correlations (r), Bland-Altman plots, and weighted kappa (κ_w) statistics.

Results

This study included 126 participants (80 females and 46 males). The FFQ gener

SUBMITTER: Ajabnoor SM 

PROVIDER: S-EPMC10759497 | biostudies-literature | 2024 Jan

REPOSITORIES: biostudies-literature