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Validity of observed differences in dietary surveys by two self-administered questionnaires over a 5-year period: Concordance with self-reported change
Differences observed by comparing the responses to two surveys taken 5 years apart were compared with self-reported changes in dietary habits in the second survey to examine the construct validity of dietary change. That is, when an observed difference about a certain food was consistent with a self...
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| Main Authors: | , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Springer-Verlag
1997
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2723440/ https://ncbi.nlm.nih.gov/pubmed/21432459 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1007/BF02931971 |
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