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Results

This study analyzed a subsample of the Vanderbilt Inpatient Cohort Study, aimed to identify the predictive validity of patient-reported measures (Supplementary Figure 1). Table 1 shows participants’ demographic and clinical characteristics, including as stratified by low, medium, and high health competence, measured using the 2-item Perceived Health Competence Scale (Supplementary Survey 1). The sample’s median age was 71 years, 48% participants were men, and 13% identified as Black. Median estimated glomerular filtration rate (eGFR) was 33 mL/min/1.73 m 2. Fifty-eight and 87% had diabetes mellitus and hypertension, respectively. Nearly 69% reported performing no moderate-to-strenuous exercise per week, measured using a validated single-item question (Supplementary Survey 2, Supplementary Figure 2).