López-Moral, ÁlvaroMunguía Izquierdo, DiegoBueno-Antequera, Javier2025-01-292025-01-292025BJPsych Open (2025), 11, p.1–610.1192/bjo.2024.842https://hdl.handle.net/10433/22847This work was funded by Proyectos I + D + i 2020 (ref. PID2020-118262RB-I00) from the Spanish Ministry of Science and Innovation. It was also supported by the CTS-948 Research Group, Pablo de Olavide University, Junta de Andalucía, and FEDER Programme 2014–2020 (ref. UPO-1262802). A.L.-M. was supported by Pablo de Olavide University (ref. PPI1803). J.B.-A. was supported by the Operational Programme FEDER Andalucía 2014–2020 (ref. PAC2042) and the Junta de Andalucía through the Consejería de Transformación Económica, Industria, Conocimiento y Universidades (ref. POSTDOC_21_00059). Funding for open access publishing was provided by Universidad Pablo de Olavide.application/pdfenAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/Mental healthPhysical fitnessEarly detectionSignAssessing a clinical vital sign in severe mental illness: validation study of the 5 sit-to-stand test for monitoring muscle strength – The PsychiActive Projectjournal articleopen access