Integrating Technology and Culture: Smartphone Validation of a Food Frequency Questionnaire for Nutrient Intake Estimates in the Adult Population of Trinidad and Tobago.

ABSTRACT:

Background

Trinidad and Tobago is home to a multiethnic population, each with distinct dietary traditions. Given this diversity, it is essential to validate a food frequency questionnaire (FFQ) that captures the local food items that contribute to the nation's unique dietary culture.

Objectives

This study aims to assess the reproducibility and validity of a semiquantitative FFQ to estimate nutrient intake in the adult population of Trinidad and Tobago.

Methods

A 139-item semiquantitative electronic food frequency questionnaire (e-FFQ), developed using Google Forms, captured culture-specific foods commonly consumed in Trinidad and Tobago. The self-administered e-FFQ was distributed to 91 participants aged 18 and older, with 2 administrations 3 mo apart. The first admin

SUBMITTER: Foster-Nicholas LA 

PROVIDER: S-EPMC12305569 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature