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KMID : 0381020090420050486
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Korean Journal of Nutrition
2009 Volume.42 No. 5 p.486 ~ p.495
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Analysis by Delphi Survey of a Performance Evaluation Index for a Salt Reduction Project
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Kim Hyun-Hee
Shin Eun-Kyung
Lee Hye-Jin
Lee Nan-Hee
Chun Byung-Yeol
An Moon-Young
Lee Yeon-Kyung
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Abstract
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The purpose of this study was to analyze the performance evaluation index for a salt reduction project. Questionnaires were developed in order to investigate salt reduction programs nationwide. The evaluation index and programs were analyzed through the case study of a salt reduction program in public health centers. The validity of the salt reduction program’s evaluation index was determined based on study of the Delphi survey and on discussion with nutrition and health care professionals. The Delphi survey showed that daily salt intake was the most valid nutritional evaluation index. Stroke mortality and stomach cancer mortality were good health care evaluation indexes. The method for measuring salt intake that had the greatest validity was a 24-hour urine collection. However, 24-hour urine collection had the lowest score for ease of performance. The combined scores of validity and ease of performance showed that the survey method for dietary attitude and dietary behavior, dietary frequency analysis (DFQ 15), and a salty taste assessment, in that order, were proper methods. The high reliability of the salty taste assessment indicated that the percentage of the population that exhibits proper salt intake (2,000 mg sodium or less daily) and the percentage of the population that consumes low-salt diets as nutritional evaluation indexes also will be helpful to evaluate performance of salt reduction programs.
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KEYWORD
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delphi survey, salt reduction project, evaluation index, validity, reliability
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