| Calibration of a food frequency questionnaire in Koreans. | |
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MedLine Citation:
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PMID: 14505985 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The current trend of changes in nutrient intakes may have some relationship with the increase in the occurrence of degenerative diseases in the Korean population. To date, a calibrated food frequency questionnaire (FFQ) has not been developed that can be further used for large-scale epidemiological research in Koreans aged 40 and older. This study was undertaken to develop and calibrate an FFQ in Koreans. A total of 144 Koreans aged 40 years and above participated in the first phase, which was conducted using the three-day dietary record method. One hundred and thirty-eight of those who completed the first phase were then interviewed to test FFQ against dietary records as a reference. The mean absolute nutrient intakes estimated by the dietary records were statistically compared with those estimated by the FFQ using paired t-tests. The mean values from the FFQ differed at most by 14% from those of the dietary records for all nutrients with the exception of vitamin A. Spearman rank-order correlation coefficients and cross-classification were also calculated. The energy-adjusted and corrected correlations for attenuation varied from 0.36 to 0.82. The degree of good agreement by cross-classification between the dietary records and the FFQ ranged from 67% to 90%. The newly developed FFQ can be used as a dietary assessment tool to measure usual nutritional status of Koreans aged 40 years and older. Furthermore, this study demonstrates that the FFQ also provides a more labour-efficient tool that is easier to use than any of the commonly used methods for large-scale epidemiological studies of the relationships between nutrition and diseases in Koreans. |
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Authors:
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Jeongseon Kim; Yoon-Ok Ahn; Hee-Young Paik; Nobuyuki Hamajima; Manami Inoue; Kazuo Tajima |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Asia Pacific journal of clinical nutrition Volume: 12 ISSN: 0964-7058 ISO Abbreviation: Asia Pac J Clin Nutr Publication Date: 2003 |
Date Detail:
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Created Date: 2003-09-24 Completed Date: 2004-04-23 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9440304 Medline TA: Asia Pac J Clin Nutr Country: Australia |
Other Details:
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Languages: eng Pagination: 251-6 Citation Subset: IM |
Affiliation:
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Department of Food and Nutrition in Oriental Medicine, Semyung University, San 21-1, Shinwol-dong, Chechon, Chungbuk, 390-711, Korea. jeongseonkim@yahoo.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Calibration Diet / statistics & numerical data* Diet Records Female Humans Interviews as Topic Korea Male Middle Aged Questionnaires / standards* Reproducibility of Results Sensitivity and Specificity |
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