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Reproducibility and Relative Validity of a Food Frequency Questionnaire Developed for Female Adolescents in Suihua, North China

BACKGROUND: This study aims to evaluate the reproducibility and validity of a food frequency questionnaire (FFQ) developed for female adolescents in the Suihua area of North China. The FFQ was evaluated against the average of 24-hour dietary recalls (24-HRs). METHODOLOGY/PRINCIPAL FINDINGS: A total...

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Detalles Bibliográficos
Autores principales: Xia, Wei, Sun, Caihong, Zhang, Li, Zhang, Xin, Wang, Jiajia, Wang, Hui, Wu, Lijie
Formato: Texto
Lenguaje:English
Publicado: Public Library of Science 2011
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3092766/
https://www.ncbi.nlm.nih.gov/pubmed/21589932
http://dx.doi.org/10.1371/journal.pone.0019656