Relative Validity of a Semi-Quantitative Food Frequency Questionnaire for Adolescents
Introduction: A valid food frequency questionnaire (FFQ) is a priority for epidemiological studies. We aimed to perform a relative validity of an FFQ for Portuguese adolescents. Methods: A semi-quantitative Portuguese FFQ (SQ-PortFood-FQ) was developed and the relative validity performed using the m...
Main Authors: | Ana Lúcia Silva, Maria Isabel Caldas Januário Fragoso, Francília Maria Carvalho dos Santos Neto, Cristina Paula Fidalgo Negreiros Monteiro Bento, Júlia Maria Vitorino Teles |
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Format: | Article |
Language: | English |
Published: |
Karger Publishers
2020-12-01
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Series: | Portuguese Journal of Public Health |
Subjects: | |
Online Access: | https://www.karger.com/Article/FullText/510464 |
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