J Nutr Health.  2020 Aug;53(4):416-430. 10.4163/jnh.2020.53.4.416.

The effects of a personalized nutrition intervention program on food security, health and nutritional status of lowincome older adults in Seoul city

Affiliations
  • 1Department of Food Science and Nutrition, Dankook University, Cheonan 31116, Korea
  • 2School of Biosystems and Biomedical Sciences, College of Health Science, Korea University, Seoul 02841, Korea
  • 3Department of Food and Nutrition, Seoul Women's University, Seoul 01797, Korea

Abstract

Purpose
This study was conducted to assess the effects of a personalized nutritional intervention program on food security and health and nutritional status of elderly people in the city of Seoul.
Methods
A total of 372 elderly adults aged 65 years or above who resided in Seoul were enrolled in this study. Personalized supplementary food supply and nutritional education based on chronic disease status, disability and cooking ability were implemented for 4 months. To evaluate the effectiveness of the program, nutrient intake, food security status, anemia status, chronic disease management, and frailty status, and prevalence of malnutrition (Mini Nutritional Assessment) were examined.
Results
After the program, all subjects displayed significantly increased nutrient intake. Before the intervention, all subjects were in a state of food insecurity; however, after the intervention, 37.1% of the subjects were food secure. Moreover, the rates of being at risk of malnutrition and malnutrition in subjects were decreased and instead rate of those who improved to normal increased to 29.8% from 0% of normal rate before the prevention. The rate of subjects without anemia increased from 18.7% to 28.5% after the intervention. In addition, the rate of subjects with intensive or periodic management of chronic diseases decreased, while those with occasional management of chronic diseases increased from 0% to 4.6%. Furthermore, the rates of being at risk of frailty and frailty were decreased and the normal rate increased from 0% to 9.7% instead. Age group-based analysis showed that elderly people over 80 years showed less improvement in the management of the chronic disease status and the frailty status.
Conclusion
Personalized supplementary food supplies and nutritional education improved not only the nutritional status but also disease status in vulnerable older adults, and the effects were more significant in adults aged less than 80 years.

Keyword

malnutrition; frailty; aged; food security; nutrients; health status
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