Elaboração, validação e reprodutibilidade de um questionário de frequência alimentar para hipertensos e/ou diabéticos

Abstract

This dissertation consists of three articles on the topic frequency questionnairefood consumption. The first, entitled “Methodological procedures used in food frequency questionnaires (FFQ) developed in Brazil: a literature review” aimed to analyze the FFQ produced in Brazil and discuss the overview based on the theorical, and methodological procedures for the preparation and application. Through this analysis, it was found that while there is a proposed guidance in terms of methodological development, there is still a shortage of this type of instrument in Brazil, especially considering the great regional diversity in cultures and habits, including food. For the second article, entitled “Validation of food frequency questionnaires by reference to a 24-hour recall: a systematic review” were researched original articles that the standard with the food recall of 24 hours (FR24H). All had satisfactory results for validity, as suggested by the authors as a useful tool in epidemiological studies where participants have the same profile for wich it was built for the FFQ. The third article, results, entitled “Validation of a model food frequency questionnaire developed for hypertension and/or diabetic of system HIPERDIA-MS Maceió/al”, it is a validation study of a food frequency questionnaire designed to hypertension and/or diabetic patients registered in the system HIPERDIA the Maceió city. Thus, we designed a quantitative FFQ with 126 food items. The same was tested for its validity and reproducibility. Obtaining satisfactory correlation coefficients for some nutrients, indicating that the FFQ evaluated in this study constitutes a good research tool for individuals with hypertension and/or diabetes mellitus, registered in HIPERDIA, users of the Unified Health System (UHS), the basic health units (BHU) of the Maceió,AL.