RT Journal Article T1 Physical activity phenotypes and mortality in older adults: a novel distributional data analysis of accelerometry in the NHANES A1 Matabuena Rodríguez, Marcos A1 Félix Lamas, Paulo A1 Hammouri, Ziad Akram Ali A1 Mota, Jorge A1 Pozo Cruz, Borja del K1 Physical activity K1 Precision medicine K1 Accelerometry K1 Distributional representation K1 Longevity AB Physical activity is deemed critical to successful ageing. Despite evidence and progress, there is still a need to determine more precisely the direction, magnitude, intensity, and volume of physical activity that should be performed on a daily basis to effectively promote the health of individuals. This study aimed to assess the clinical validity of new physical activity phenotypes derived from a novel distributional functional analysis of accelerometer data in older adults. A random sample of participants aged between 65 and 80 years with valid accelerometer data from the National Health and Nutrition Examination Survey (NHANES) 2011–2014 was used. Five major clinical phenotypes were identified, which provided a greater sensitivity for predicting 5-year mortality and survival outcomes than age alone, and our results confirm the importance of moderate-to-vigorous physical activity. The new clinical physical activity phenotypes are a promising tool for improving patient prognosis and for directing to more targeted intervention planning, according to the principles of precision medicine. The use of distributional representations shows clear advantages over more traditional metrics to explore the effects of the full spectrum of the physical activity continuum on human health PB Springer SN 0009-398X YR 2022 FD 2022 LK http://hdl.handle.net/10347/29991 UL http://hdl.handle.net/10347/29991 LA eng NO Matabuena, M., Félix, P., Hammouri, Z.A.A. et al. Physical activity phenotypes and mortality in older adults: a novel distributional data analysis of accelerometry in the NHANES. Aging Clin Exp Res 34, 3107–3114 (2022). https://doi.org/10.1007/s40520-022-02260-3 NO Open Access funding provided thanks to the CRUE-CSIC agreement with Springer Nature. This research was funded by the Ministry of Science and Innovation of Spain, under Grant No. PID2021-123152OB-C21 DS Minerva RD 24 abr 2026