Development and validation of a nutrition literacy assessment tool for young adults

Abstract

This study was conducted to develop, validate, and assess the reliability of a questionnaire for nutritional literacy among young Korean adults. Methods: The draft questionnaire contained 65 items in 7 domains (i.e., dietary guideline, nutrition and health, nutrients, 5 food groups [food bicycle], nutrition labeling, portion size, and nutrition management for disease prevention). The authors developed a draft questionnaire based on a literature review. After multiple drafts, 52 items were retained and 13 were eliminated in the 7 domains according to professional advice from 5 nutrition experts. A panel of experts (n = 20) comprised of clinical dietitians and nutrition professors completed the content validity assessment, including quantitative and qualitative feedback. As the results, all items of the portion size were eliminated from the questionnaire. A sample of 211 young adults completed the test-retest reliability assessment. Test-retest reliability was evaluated using intraclass correlation coefficient (ICC) and inter-item reliability by Cronbach α coefficient. Results: The final questionnaire contained 30 items with 5 questions each on the dietary guideline, nutrition and health, nutrients, 5 food groups (food bicycle), nutrition labeling, and nutrition management for disease prevention. The Lawshe content validity ratio for domains ranged from 0.60 to 1.00. The ICC scores for questions ranged from 0.64 to 0.86. Cronbach's α for domains ranged from 0.83 to 0.90 and for the overall questionnaire was 0.87. Conclusion:The questionnaire showed strong content validity, test-retest reliability, and high inter-item reliability, indicating that it is a useful tool for assessing nutritional literacy of young adults.

Adaptation and Validation of the S-NutLit Scale to Assess Nutritional Literacy in the Peruvian Population

“…According to other studies, there are scales that evaluate this construct; for example, Ahn et al [ 45 ] establishes that the metric for nutritional literacy in young adults is the Nutrition Literacy Questionnaire (NLQ), which is made up of 30 items, divided into six dimensions, whose reliability is α = 0.87. In this case, the author reports a questionnaire where nutritional literacy is measured through nutritional labeling and nutritional management.…”

“…Previous research has designed scales to measure this construct in countries such as the U.S.A., Iran, Korea, Thailand, Netherlands, and China. These scales have been applied to various sectors and study populations, such as adult patients [ 29 , 32 ], patients with renal diseases [ 31 ], pregnant women [ 48 ], the elderly [ 49 ], children and adolescents in basic education [ 22 , 42 , 44 , 46 , 47 ], undergraduates [ 21 , 43 ], and young adults [ 20 , 45 ]. The ten countries that have emphasized this construct the most in their studies have been the United States, China, Iran, Turkey, Australia, Greece, Norway, Taiwan, Qatar, Italy, and Brazil.…”

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

“…Research on health literacy is slowly ongoing in Korea, but there has been little focus on nutritional and food literacy [ 22 ]. However, outside of Korea, the use of the concept of “food literacy” has significantly increased in research [ 23 ].…”