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. 2024 Aug 6;16(16):2586.
doi: 10.3390/nu16162586.

Lack of Association between Insufficient Intake of Multiple Vitamins and Frailty in Older Adults Who Consume Sufficient Energy and Protein: A Nationwide Cross-Sectional Study

Seung-Guk Park  1 , Hyoeun Kim  1
Affiliations

Lack of Association between Insufficient Intake of Multiple Vitamins and Frailty in Older Adults Who Consume Sufficient Energy and Protein: A Nationwide Cross-Sectional Study

Seung-Guk Park et al. Nutrients. .

Abstract

Frailty is a complex condition that intensifies with age and is marked by decreased physiological function. We rigorously investigated the effects of lower vitamin intake on frailty using data from 665 adults aged over 65 years who consumed sufficient recommended daily energy and protein intakes from the Korean Nutrition and Health Survey, 2016-2019. The definition of frailty was modified based on Fried et al.'s definition of weight loss, exhaustion, weakness, slowness, and low energy expenditure. Based on daily intake, we analyzed vitamins such as vitamin A, thiamine, riboflavin, niacin, folic acid, and vitamin C. Our results of logistic regression showed that increasing multiple deficiencies in several kinds of vitamins (mild to moderate to severe) is not associated with frailty (odds ratio: 1, 1.24 (0.24-3.10), 0.82 (0.28-2.39), p for trend = 0.626) in older adults who consumed sufficient calories and proteins. A subgroup analysis of age and sex, which may interfere with the relationship between vitamin intake and frailty, showed that vitamin intake was not associated with frailty when sufficient energy and proteins were consumed. Furthermore, there was no difference in the prevalence of frailty between the groups with sufficient and insufficient intakes of individual vitamins.

Keywords: energy intake; frailty; geriatrics; proteins; vitamins.

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Conflict of interest statement

The authors declare no conflicts of interest.

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