Reproducibility and validity of food group intake in a short food frequency questionnaire for the middle-aged Japanese population
Abstract Purpose The purpose of this study was to evaluate the reproducibility and validity of a short food frequency questionnaire (FFQ) for food group intake in Japan, the reproducibility and partial validity of which were previously confirmed for nutrients. Methods A total of 288 middle-aged heal...
Main Authors: | , , , , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Komiyama Printing Co. Ltd
2021-03-01
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Series: | Environmental Health and Preventive Medicine |
Subjects: | |
Online Access: | https://doi.org/10.1186/s12199-021-00951-3 |