Development and Validation of a Food Literacy Assessment Tool for Community-Dwelling Elderly People

Hyeona So, Dahyun Park, Mi-Kyung Choi, Young-Sun Kim, Min-Jeong Shin and Yoo-Kyoung Park
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Hyeona So: Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Korea
Dahyun Park: Interdisciplinary Program in Precision Public Health, Graduate School, Korea University, Seoul 02841, Korea
Mi-Kyung Choi: Faculty of Food and Health Sciences, College of Natural Sciences, Keimyung University, Daegu 42601, Korea
Young-Sun Kim: Department of Gerontology, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Korea
Min-Jeong Shin: Interdisciplinary Program in Precision Public Health, Graduate School, Korea University, Seoul 02841, Korea
Yoo-Kyoung Park: Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Korea

IJERPH, 2021, vol. 18, issue 9, 1-9

Abstract: Food literacy refers to the knowledge, skills, and attitudes required for individuals to choose foods that promote health. As the rate of diet-related diseases increases, food literacy is becoming more important. However, there are no tools available to evaluate food literacy among the Korean elderly. We derived 547 questions from a literature review and, after three rounds of Delphi surveys, selected 33 preliminary questions. We calculated the content validity ratio of the questions and applied a face validity procedure. We then selected 32 questions, assessed their validity, and distributed them as a questionnaire to 205 elderly people. We then conducted exploratory factor analysis (EFA) to determine the validity of the questionnaire and used an internal consistency index (Cronbach’s ? coefficient) to determine reliability. Based on the factor analysis, 13 questions were selected, distributed among three factors, and evaluated using the Kaiser–Meyer–Olkin (KMO) and Bartlett sphericity tests. The factor analysis showed that KMO was 0.872, which is a highly acceptable score, and the Bartlett sphericity test was ? 2 = 1,374.69 at p = 0.00. The food literacy questionnaire developed in this study will likely be helpful for improving the healthcare of elderly people.

Keywords: food literacy; elderly; validity; questionnaire (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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