| Reproducibility and validity of food intake measurements from a semiquantitative food frequency questionnaire. | |
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MedLine Citation:
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PMID: 8320406 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Few food frequency questionnaires have been evaluated for their ability to assess intakes of individual foods that may be related to disease independently of their nutrient content. The reproducibility and validity of food intake measurements by a 131-item semiquantitative food frequency questionnaire were evaluated in a sample of 127 men from the Health Professionals Follow-up Study, a large longitudinal study of diet and disease. Each subject completed two questionnaires 1 year apart and two 1-week diet records 6 months apart during the intervening year. Pearson correlations assessing reproducibility between food intakes from the two questionnaires ranged from .31 for pie to .92 for coffee (mean = .59). Validity was measured by comparing food intakes from the second questionnaire with those from the diet records. Pearson correlations corrected for within-person weekly variation in diet record data ranged from .17 for other nuts to .95 for bananas (mean = .63). Large within-person variation precluded the calculation of accurate validity correlations for 29 foods. As we previously observed in women, the foods most often overreported were fruits and vegetables, and meats and dairy products were most often underreported. With few exceptions, reasonable levels of reproducibility and validity were observed for intake of individual foods in this extensive food frequency questionnaire. |
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Authors:
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D Feskanich; E B Rimm; E L Giovannucci; G A Colditz; M J Stampfer; L B Litin; W C Willett |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Journal of the American Dietetic Association Volume: 93 ISSN: 0002-8223 ISO Abbreviation: J Am Diet Assoc Publication Date: 1993 Jul |
Date Detail:
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Created Date: 1993-08-05 Completed Date: 1993-08-05 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 7503061 Medline TA: J Am Diet Assoc Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 790-6 Citation Subset: AIM; IM |
Affiliation:
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Department of Nutrition, Harvard School of Public Health, Boston, MA 02115. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Cohort Studies Diet Records* Eating* Follow-Up Studies Humans Male Middle Aged Prospective Studies Questionnaires Reproducibility of Results |
| Grant Support | |
ID/Acronym/Agency:
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CA 55075/CA/NCI NIH HHS; HL 35464/HL/NHLBI NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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