Purpose To investigate associations between dietary protein and vitamin intake and physical function status in older adults with sarcopenia. Methods Data of 707 participants with sarcopenia aged > 60 years from the National Health and Nutrition Examination Survey (NHANES) 1999–2004 were analyzed. Body composition, body mass index (BMI), physical function status, demo- graphics, dietary intake (protein and vitamins A, C, E), lifestyle factors and comorbidities were measured, stratie fi d by gender. Results Dietary levels of carbohydrate, fat and vitamin E differed significantly between genders ( P < 0.05). Physical func- tion limitations (48.5 vs. 36%; P < 0.001), basic activities of daily living (ADL) limitations (37 vs. 24.4%; P < 0.001), and instrumental ADL limitations (25.6 vs. 17.8%) were higher in women than in men. Multivariate logistic regression analysis revealed that, in males, intake of optimal amounts of vitamin C (Q3: ≥ 60.71 mg/day) was associated with basic ADL limita- tions. In females, protein intake of more than 1.11 g/kg/day was associated with both basic and instrumental ADL limitations. Conclusions Only dietary or supplemental intake of vitamin C and E, but not protein, was associated with physical function- ing in older males with sarcopenia. In contrast, only intake of higher amounts
European Geriatric Medicine – Springer Journals
Published: Apr 9, 2018
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