Psychometric properties of the proxy-reported Life-Space Assessment for Institutionalized Settings (LSA-IS-Proxy) for older persons with and without cognitive impairment

(1) Background: Life-space mobility assessments for institutionalized settings are scarce and there is a lack of comprehensive validation and focus on persons with cognitive impairment (CI). This study aims to evaluate the psychometric properties of the Life-Space Assessment for Institutionalized Se...

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Hauptverfasser: Hauer, Klaus (VerfasserIn) , Ullrich, Phoebe (VerfasserIn) , Heldmann, Patrick (VerfasserIn) , Bauknecht, Laura (VerfasserIn) , Hummel, Saskia (VerfasserIn) , Abel, Bastian (VerfasserIn) , Bauer, Jürgen M. (VerfasserIn) , Lamb, Sarah E. (VerfasserIn) , Werner, Christian (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 7 April 2021
In: International journal of environmental research and public health
Year: 2021, Jahrgang: 18, Heft: 8, Pages: 1-17
ISSN:1660-4601
DOI:10.3390/ijerph18083872
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3390/ijerph18083872
Verlag, lizenzpflichtig, Volltext: https://www.mdpi.com/1660-4601/18/8/3872
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Verfasserangaben:Klaus Hauer, Phoebe Ullrich, Patrick Heldmann, Laura Bauknecht, Saskia Hummel, Bastian Abel, Juergen M. Bauer, Sarah E. Lamb and Christian Werner

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520 |a (1) Background: Life-space mobility assessments for institutionalized settings are scarce and there is a lack of comprehensive validation and focus on persons with cognitive impairment (CI). This study aims to evaluate the psychometric properties of the Life-Space Assessment for Institutionalized Settings by proxy informants (LSA-IS-proxy) for institutionalized, older persons, with and without CI. (2) Methods: Concurrent validity against the self-reported version of the LSA-IS, construct validity with established construct variables, test-retest reliability, sensitivity to change during early multidisciplinary geriatric rehabilitation treatment, and feasibility (completion rate, floor/ceiling effects) of the LSA-IS-proxy, were assessed in 94 hospitalized geriatric patients (83.3 ± 6.1 years), with and without CI. (3) Results: The LSA-IS-proxy total score showed good-to-excellent agreement with the self-reported LSA-IS (Intraclass Correlations Coefficient, ICC3,1 = 0.77), predominantly expected small-to-high correlations with construct variables (r = 0.21-0.59), good test-retest reliability (ICC3,1 = 0.74), significant sensitivity to change over the treatment period (18.5 ± 7.9 days; p < 0.001, standardized response mean = 0.44), and excellent completion rates (100%) with no floor/ceiling effects. These results were predominantly confirmed for the sub-scores of the LSA-IS-proxy and were comparable between the sub-groups with different cognitive status. (4) Conclusions: The LSA-IS-proxy has proven to be feasible, valid, reliable, and sensitive to change in hospitalized, geriatric patients with and without CI. 
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