Reliability and validity of a semi-quantitative food frequency questionnaire: dietary intake assessment among multi-ethnic populations in Northwest China

CONCLUSIONS: The FFQ showed acceptable reproducibility and moderate relative validity for evaluating dietary intake among multi-ethnic groups in northwest China. It could be a credible nutritional screening tool for forthcoming epidemiological surveys of these populations.PMID:37858218 | PMC:PMC10585915 | DOI:10.1186/s41043-023-00452-9
Source: Journal of Health, Population, and Nutrition - Category: International Medicine & Public Health Authors: Source Type: research