Construct validity and reliability of a two-step tool for the identification of frail older people in primary care
Publication year
2014Source
Journal of Clinical Epidemiology, 67, 2, (2014), pp. 176-83ISSN
Publication type
Article / Letter to editor
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Organization
Geriatrics
Primary and Community Care
IQ Healthcare
Journal title
Journal of Clinical Epidemiology
Volume
vol. 67
Issue
iss. 2
Page start
p. 176
Page end
p. 83
Subject
Radboudumc 18: Healthcare improvement science RIHS: Radboud Institute for Health Sciences; Radboudumc 1: Alzheimer`s disease DCMN: Donders Center for Medical NeuroscienceAbstract
OBJECTIVES: To study the reliability and construct validity of the EASY-Care Two-step Older persons Screening (EASY-Care TOS), a practice-based tool that helps family physicians (FPs) to identify their frail older patients. STUDY DESIGN AND SETTING: This validation study was conducted in six FP practices. We determined the construct validity by comparing the results of the EASY-Care TOS with other commonly used frailty constructs [Fried Frailty Criteria (FFC), Frailty Index (FI)] and with other related constructs (ie, multimorbidity, disability, cognition, mobility, mental well-being, and social context). To determine interrater reliability, an independent second EASY-Care TOS assessment was made for a subpopulation. RESULTS: We included 587 older patients (mean age 77 +/- 5 years, 56% women). According to EASY-Care TOS, 39.4% of patients were frail. EASY-Care TOS frailty correlated better with FI frailty (0.63) than with FFC frailty (0.52). A high correlation was found with multimorbidity (0.50), disabilities (0.53), and mobility (0.55) and a moderate correlation with cognition (0.31) and mental well-being (0.38). Reliability testing showed 89% agreement (Cohen's kappa 0.63) between EASY-Care TOS frailty judgment by two different assessments. CONCLUSION: EASY-Care TOS correlated well with relevant physical and psychosocial measures. Accordingly, these results show that the EASY-Care TOS identifies patients who have a wide spectrum of interacting problems.
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- Faculty of Medical Sciences [90409]
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