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http://dx.doi.org/10.4163/jnh.2018.51.1.87

Development of NQ-E, Nutrition Quotient for Korean elderly: item selection and validation of factor structure  

Chung, Min-Jae (Department of Food and Nutrition, Yonsei University)
Kwak, Tong-Kyung (Department of Food and Nutrition, Yonsei University)
Kim, Hye-Young (Department of Food and Nutrition, Yongin University)
Kang, Myung-Hee (Department of Food and Nutrition, Hannam University)
Lee, Jung-Sug (Department of Food and Nutrition, Kookmin University)
Chung, Hae Rang (Nutrition for the Future Inc.)
Kwon, Sehyug (Department of Statistics, Hannam University)
Hwang, Ji-Yun (Department of Foodservice Management and Nutrition, Sangmyung University)
Choi, Young-Sun (Department of Food and Nutrition, Daegu University)
Publication Information
Journal of Nutrition and Health / v.51, no.1, 2018 , pp. 87-102 More about this Journal
Abstract
Purpose: The purpose of this study was to develop a valid instrument for measuring the dietary quality and behaviors of Korean elderly. Methods: The development of the Nutrition Quotient for Elderly (NQ-E) was conducted in three steps: item generation, item reduction, and validation. The 41 items of the NQ-E checklist were derived from a systematic literature review, expert in-depth interviews, statistical analyses of the fifth Korean National Health and Nutrition Examination Survey data, and national nutrition policies and recommendations. Pearson's correlation was used to determine the level of agreement between the questionnaires and nutrient intake level, and 24 items were selected for a nationwide survey. A total of 1,000 nationwide elderly subjects completed the checklist questionnaire. The construct validity of the NQ-E was assessed using confirmatory factor analysis, LISREL. Results: The nineteen checklist items were used as final items for NQ-E. Checklist items were composed of four-factors: food behavior (6 items), balance (4 items), diversity (6 items), and moderation (3 items). The standardized path coefficients were used as the weights of the items. The NQ-E and four-factor scores were calculated according to the obtained weights of the questionnaire items. Conclusion: NQ-E would be a useful tool for assessing the food behavior and dietary quality of the elderly.
Keywords
nutrition quotient for the elderly; NQ-E; food behavior; dietary quality; checklist;
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Times Cited By KSCI : 7  (Citation Analysis)
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