Validity of a food-frequency questionnaire for elderly men in southeast China

Validity of a food-frequency questionnaire for elderly men in southeast China

OBJECTIVE: To investigate the internal validity of a food-frequency questionnaire (FFQ) developed for a case-control study of prostate cancer in southeast China. DESIGN: A comprehensive questionnaire comprising a quantitative FFQ and a short food habit questionnaire (SFHQ) was developed and modified...

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Bibliographic Details
Main Authors: Jian, Le, Binns, Colin, Lee, Andy
Format: Journal Article
Published: Cambridge University Press 2006
Subjects:
Energy expenditure
Food-frequency questionnaire
Physical activity level
Metabolic equivalents
Validity
Energy intake
Reproducibility
China
Online Access:http://hdl.handle.net/20.500.11937/41793

Internet

http://hdl.handle.net/20.500.11937/41793

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