Validation of the Portuguese version of the social isolation scale with a sample of community-dwelling older adults

Tavares, João; Faria, Ana; Gonçalves, Delphine; Mendes, Diana; ROSAS DA SILVA, SOFIA DE LURDES; Sousa, Liliana

http://hdl.handle.net/10400.26/61710

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Autores

ROSAS DA SILVA, SOFIA DE LURDES

Sousa, Liliana

Resumo(s)

Objectives: The aim of this study was to analyze the psychometric properties (reliability and validity) of the Social Isolation Scale (SIS) in a sample of Portuguese community-dwelling older adults. Methods: A transversal descriptive study was carried out with a convenience sample of 250 community-dwelling older adults (≥65 years). The survey comprised a sociodemographic questionnaire, SIS, Geriatric Depression Scale-4 (GDS-4), 6-item Lubben Social Network Scale (LSNS-6), a loneliness self-assessment question, and Satisfaction with Life Scale (SWLS). Construct validity (confirmatory factor analysis) and convergent validity were analyzed, and ISI internal reliability (composite reliability), external reliability (test-retest, intraclass correlation coefficient) and inter-rater reliability (Cohen's kappa coefficient) were evaluated. Results: Confirmatory factor analysis showed a two-factor model with an excellent index of fit. The SIS showed significant correlations with LSNS-6 (r s = 0.47), SWLS (r s = 0.26), the loneliness self-assessment question (r s = 0.35), and GDS-4 (r s = -0.16). SIS composite reliability was good (0.708). The inter-class correlation coefficient varied from 0.84 to 0.98. The Cohen's kappa coefficient ranged from 0.936 to 1. Conclusions: SIS has been shown to be a valid and reliable instrument for assessing social isolation among Portuguese community-dwelling older adults. Healthcare professionals, particularly nurses working in community settings, can use SIS to assess social isolation in older adults to design, implement, and evaluate interventions.

Palavras-chave

Aged Loneliness Portugal Psychometrics Social isolation

URI

http://hdl.handle.net/10400.26/61710

Citação

Tavares, J., Faria, A., Gonçalves, D., Mendes, D., Silva, S., & Sousa, L. (2023). Validation of the Portuguese version of the social isolation scale with a sample of community-dwelling older adults. International journal of nursing sciences, 10(2), 151–157. https://doi.org/10.1016/j.ijnss.2023.03.002

Editora

Elsevier BV

DOI

10.1016/j.ijnss.2023.03.002

Coleções

ESEC - Artigos em revistas

Licença CC

cclicense-by-nc-nd

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