ArticleCurrent developments in nutrition2025
Integrating Technology and Culture: Smartphone Validation of a Food Frequency Questionnaire for Nutrient Intake Estimates in the Adult Population of Trinidad and Tobago.
Article in Current developments in nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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 administration of the e-FFQ was validated against the weighted mean of 4 food records with digital images as the reference method. Data were analyzed using SPSS Version 26 to assess validity and reproducibility through paired Results: Participants had a mean age of 38 ± 9.6 y, with 22% male and 78% female. Correlations between the e-FFQ and food records ranged from moderate ( Conclusions: The culture-specific e-FFQ demonstrates strong reproducibility and validity, making it a valuable tool for assessing nutrient intake in Trinidad and Tobago's adult population.
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