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KMID : 1036720220550020278
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Journal of Nutrition and Health
2022 Volume.55 No. 2 p.278 ~ p.295
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Revision of Nutrition Quotient for Korean adults: NQ-2021
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Yook Sung-Min
Lim Young-Suk
Lee Jung-Sug
Kim Ki-Nam
Hwang Hyo-Jeong
Kwon Se-Hyug
Hwang Ji-Yun
Kim Hye-Young
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Abstract
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Purpose: This study was undertaken to revise and update the Nutrition Quotient (NQ) for Korean adults, a tool used to evaluate dietary quality and behavior.
Methods: The first 31 items of the measurable food behavior checklist were adopted based on considerations of the previous NQ checklist, recent literature reviews, national nutrition policies, and recommendations. A pilot survey was conducted on 100 adults aged 19 to 64 residing in Seoul and Gyeonggi Province from March to April 2021 using a provisional 26-item checklist. Pilot survey data were analyzed using factor analysis and frequency analysis to determine whether checklist items were well organized and responses to questions were well distributed, respectively. As a result, the number of items on the food behavior checklist was reduced to 23 for the nationwide survey, which was administered to 1,000 adults (470 men and 530 women) aged 19 to 64 from May to August 2021. The construct validity of the developed NQ (NQ-2021) was assessed using confirmatory factor analysis, linear structural relations.
Results: Eighteen items in 3 categories, that is, balance (8 items), moderation (6 items), and practice (4 items), were finally included in NQ-2021 food behavior checklist. ‘Balance’ items addressed the intake frequencies of essential foods, ‘moderation’ items the frequencies of unhealthy food intakes or behaviors, and ‘practice’ items addressed eating behaviors. Items and categories were weighted using standardized path coefficients to calculate NQ-2021 scores.
Conclusion: The updated NQ-2021 appears to be suitable for easily and quickly assessing the diet qualities and behaviors of Korean adults.
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KEYWORD
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diet, nutritive value, adult, behavior, checklist
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