ArticleFrontiers in nutrition2026
The knowledge-behavior gap in nutritional literacy and its associations with chronic disease in older adults: a mediation analysis.
Article in Frontiers in nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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13 authors.
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Abstract
Objectives: This study employs the Knowledge, Attitude, and Practice (KAP) model to examine the association between nutritional literacy and chronic disease occurrence among older adults in Guangxi, China, aiming to reveal the existence and mechanism of the "knowledge-behavior gap" in the adults' nutritional literacy. Methods: From May to September 2025, a stratified random sampling method was utilized to conduct a questionnaire survey on nutritional literacy and chronic diseases among 9,249 urban and rural older adults from four cities in Guangxi. Factors influencing nutritional literacy were analyzed through multiple linear regression, and mediation effect testing using bootstrapping with 5,000 resamples. Results: This study revealed an average nutritional literacy score of 73.60 ± 9.80; besides, totally 4,024 participants (43.82%) suffered from chronic diseases. The total nutritional literacy and "behavior and skills" dimension scores were shown to be significantly higher in healthy older adults than those with chronic diseases ( Conclusions: This study clarifies the existence of a knowledge-behavior gap in the nutritional literacy of older adults in Guangxi and the masking role played by nutritional knowledge and understanding in the relationship between nutritional literacy and chronic disease prevention/management. As a result, chronic disease prevention and management efforts should extend beyond the mere dissemination of theoretical knowledge to encompass intervention strategies centered on behavior promotion and skills training, aiming to realize their potential health benefits.
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