Hiroaki Nakamura

Smartphone step-count patterns and later QMCOO-defined frailty-related risk

Smartphone steps offer low-burden signals. Their incremental value for later frailty-related risk defined by the Questionnaire for Medical Checkup of Old-Old (QMCOO) remains uncertain. We analyzed users of Osaka’s Asmile app. Step-count features from November–December 2024 were r...