Self-Reported Dietary Supplement Use Is Reproducible and Relatively Valid in the Cancer Prevention Study-3 Diet Assessment Substudy

Terryl J Hartman,Ying Wang,Rebecca A Hodge,Diane C Mitchell,W Dana Flanders,Chengchen Li,Laura Sampson,Alyssa N Troeschel,Alpa V Patel,Marjorie L McCullough

Journal of the Academy of Nutrition and Dietetics（2022）

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摘要

These findings suggest the FFQ used in Cancer Prevention Study-3 has good reproducibility over 1 year and yields estimates comparable to a more detailed assessment for commonly consumed dietary supplements.

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关键词

Validity,Reproducibility,Dietary supplements,Food frequency questionnaire

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