Comparison of weighed food record procedures for the reference methods in two validation studies of food frequency questionnaires
Background: Although open-ended dietary assessment methods, such as weighed food records (WFRs), are generally considered to be comparable, differences between procedures may influence outcome when WFRs are conducted independently. In this paper, we assess the procedures of WFRs in two studies to de...
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| Format: | Article |
| Language: | English |
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Japan Epidemiological Association
2017-07-01
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| Series: | Journal of Epidemiology |
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| Online Access: | https://www.jstage.jst.go.jp/article/jea/27/7/27_JE63/_pdf |