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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Vydáno v:Nutr J
Hlavní autoři: 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
Médium: Artigo
Jazyk:Inglês
Vydáno: BioMed Central 2015
Témata:
Research
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC4457005/
https://ncbi.nlm.nih.gov/pubmed/26040544
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12937-015-0044-x
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