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Objective: Develop and evaluate the feasibility and validity of the Nutrition and Functionality Assessment (NFA) which identifies “target” older adults who could benefit from a personalized program following evaluation of their nutrition status and physical functionality. Design: Cross-sectional study. Setting: Community and geriatric day-care centers and university in Japan. Participants: 267 older adults aged 65-90. Measurements: The “target” individuals were screened based on gait speed (0.6-1.5 m/s). Nutrition (Mini Nutrition Assessment-short form and protein intake), strength (30s chair sit-to-stand and hand-grip strength) and endurance (6-minute walk) were assessed. Physical activity was monitored using a tri-axil accelerometer for a week. Fried frailty phenotype was also assessed. Results: Out of 267 individuals, 185 (69%) had gait speed between 0.6-1.5 m/s, corresponding to our “target” group from which, 184 (95%) completed the nutrition and physical functionality assessments with the physical activity monitoring. The NFA was completed in approximately 30 minutes. No adverse events directly due to the NFA were reported. NFA physical functionality and global scores were significantly related to frailty phenotype but nutrition score was not related to frailty phenotype. Conclusion: The study demonstrated that the NFA is a safe and feasible tool to screen target older adults and simultaneously evaluate their nutritional status and physical functionality. Validity of the NFA was partially confirmed by the significant association of the global and physical functionality scores with frailty phenotype. More studies are required to validate and maximize the applicability of the NFA in communities and institutions in Japan and elsewhere.

DEVELOPMENT OF THE NUTRITION AND FUNCTIONALITY ASSESSMENT (NFA) AMONG OLDER ADULTS IN JAPAN