Psychometric properties of the Iranian version of self-care ability scale for the elderly
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RESEARCH ARTICLE
Open Access
Psychometric properties of the Iranian version of self-care ability scale for the elderly Mehrdad Amir-Behghadami1,2*† , Jafar Sadegh Tabrizi2,3†, Mohammad Saadati4 and Masoumeh Gholizadeh2
Abstract Background: Measuring self-care ability in elderly people needs specific instruments. The Self-care Ability Scale for Elderly (SASE) is one of the common instruments used for assessing self-care ability. The aim of this study was to assess the psychometric properties of the SASE among Iranian elderly population. Methods: This cross-cultural adaptation study was carried out at Shahid Chamran and Shadpour Health Complex in Tabriz, Iran. The forward-backward procedure was applied to translate the SASE from English into Persian. Then, it was completed to 220 elderly people. A systematic random sampling method was used for sampling. Content validity was calculated through modified Kappa coefficient (modified CVI) based on clarity and relevance criteria. Reliability was measured by internal consistency and test-retest analysis. The construct validity also was assessed using Exploratory Factor Analysis (EFA). All the statistical analyses were performed using SPSS 21 statistical software package. Results: The mean of self-care ability was 61.14 ± 21.08. The CVI and modified kappa were 0.91 and 0.92 for relevance and clarity, respectively. The Cronbach’s alpha coefficient was 0.73 and Intra-class correlation coefficient was 0.97. The results of EFA revealed a three-factor solution (‘ability to take care of personal responsibility’, ‘ability to take care for the goals’, and ‘ability to take care of the health’) that jointly explained for 64.61% of the total variance. Conclusion: Results of the study showed that the Iranian version of the SASE has good psychometric properties and can be used in assessing the self-care ability of elderly people. Keywords: Elderly, Self-care ability, Instrument, Psychometric, Validity, Reliability
Background Agedness is one of the emerging phenomena in the world of health and one of the natural stages of human life from birth to aging, which includes the dynamics of biological processes, perception, development, and * Correspondence: [email protected] † Mehrdad Amir-Behghadami and Jafar Sadegh Tabrizi contributed equally to this work. 1 Student Research Committee (SRC), Tabriz University of Medical Sciences, Tabriz, Iran 2 Iranian Center of Excellence in Health Management (IceHM), Department of Health Service Management, School of Management and Medical Informatics, Tabriz University of Medical Sciences, University Rd, Golbad, EAZN, Tabriz 5165665811, Iran Full list of author information is available at the end of the article
puberty, and leads to physiological, psychological and social changes [1]. During this period, the elderly lose their independence due to physical and mental disabilities [2]. Many nations have identified a rapid growth in the population of elderly people as the phenomenon of the twenty-first century [3]. The population of the elderly is e
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