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Reproducibility and relative validity of a semi-quantitative food frequency questionnaire for Chinese pregnant women

BACKGROUND: Food frequency questionnaire (FFQ) is a reliable tool to estimate dietary intake in large nutritional epidemiological studies, but there is lack of a current and validated FFQ for use in urban Chinese pregnant women. This study aimed to evaluate the reproducibility and validity of a semi...

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Detalles Bibliográficos
Autores principales: Zhang, Hongmin, Qiu, Xiang, Zhong, Chunrong, Zhang, Kewei, Xiao, Mei, Yi, Nianhua, Xiong, Guoping, Wang, Jing, Yao, Jing, Hao, Liping, Wei, Sheng, Yang, Nianhong, Yang, Xuefeng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4457005/
https://www.ncbi.nlm.nih.gov/pubmed/26040544
http://dx.doi.org/10.1186/s12937-015-0044-x