Validation of a New Food Frequency Questionnaire for Assessment of Calcium and Vitamin D Intake in Korean Womenopen accessValidation of a New Food Frequency Questionnaire for Assessment of Calcium and Vitamin D Intake in Korean Women
- Other Titles
- Validation of a New Food Frequency Questionnaire for Assessment of Calcium and Vitamin D Intake in Korean Women
- Authors
- 박용순; 김상희; 임용택; 하용찬; 장재석; 김이석; 민용기; 정호연
- Issue Date
- Dec-2013
- Publisher
- 대한골대사학회
- Keywords
- Calcium; Diet surveys; Korean women; Vitamin D; Questionnaires
- Citation
- 대한골대사학회지, v.20, no.2, pp.67 - 74
- Indexed
- KCI
OTHER
- Journal Title
- 대한골대사학회지
- Volume
- 20
- Number
- 2
- Start Page
- 67
- End Page
- 74
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/161239
- DOI
- 10.11005/jbm.2013.20.2.67
- ISSN
- 2287-6375
- Abstract
- Background: Validated simple calcium questionnaires are available to assess the intake of calcium and vitamin D in western countries, but they are not appropriate for Koreans since dairy products are not the major source of calcium and vitamin D in Korea. Thus,the objective of the present study was to develop and validate a simple and easy food frequency questionnaire (FFQ) of calcium and vitamin D for Korean. Methods: Two hun -dred and fifty-six women were asked to complete the validated FFQ used by the Korean National Health and Nutrition Examination Survey (KNHANES) and a newly developed FFQ, the Korean Calcium Assessment Tool (KCAT), which contain the 7 food groups with 24 categories of 45 food items that are consumed frequently by Koreans. Results: Calci -um intake was not significantly different between the two methods; Pearson’s correla-tion coefficient of 0.98 indicated a positive correlation, and Cohen’s kappa coefficient of 0.78 indicated the subjects were correctly classified. Bland-Altman plot also showed that the mean differences of the calcium intake as assessed by the two methods were in high agreement. However, the vitamin D intake assessed by KCAT was significantly higher than that assessed by the FFQ used in KNHANES. The vitamin D intakes as assessed by the two methods were positively correlated but the two methods were in moderate agreement. Conclusions: The results suggested that the newly developed KCAT was a valid tool for assessing the calcium intake in Korean women, but it might overestimate the vitamin D intake.
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