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Psychometric validation of the Portuguese ALONE scale and analysis of factors associated with severe loneliness in a sample of community-dwelling older adults
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Resumo(s)
Objectives: Severe loneliness poses a significant risk to older adults’ health and quality of life. Thisstudy assessed the psychometric properties (reliability and validity) of the Portuguese version of theALONE scale in community-dwelling older adults and explored the scale’s associations with sociode-mographic, social isolation, depression, life satisfaction, and daily functioning.Method: A descriptive, correlational study was conducted with 285 Portuguese older adults. Thequestionnaire included sociodemographic and health data, the ALONE scale, Social Isolation Scale(SIS), Satisfaction with Life Scale (SWLS), Geriatric Depression Scale (GDS-15), UCLA Loneliness Scale(UCLA-16), and Lawton and Brody IADL Scale. Analyses included confirmatory factor analysis, internalconsistency, group comparisons, correlations, and logistic regression.Results: The confirmatory factor analysis supported a unidimensional model with satisfactory fitindices and internal consistency (α = 0.743). Severe loneliness correlated positively with social isolationand depression and negatively with life satisfaction and daily functioning. Participants experiencingsevere loneliness were likely older, female, living alone, socially isolated, depressed, and dependentin daily activities. Significant predictors included social isolation (OR = 0.806) and depression (OR =1.131).Conclusion: The ALONE scale demonstrated validity and reliability for assessing loneliness in olderadults, making it a suitable, efficient tool for clinical practice.
Descrição
Palavras-chave
ALONE scale communitydwelling loneliness olderadults psychometric properties
Contexto Educativo
Citação
Tavares, J., Silva, S., Ribeiro, A., Matheus, A., Sá-Couto, P., Sousa, L., & Guerra, S. (2025). Psychometric validation of the Portuguese ALONE scale and analysis of factors associated with severe loneliness in a sample of community-dwelling older adults. Aging & Mental Health, 29(9), 1613–1622. https://doi.org/10.1080/13607863.2025.2490712
Editora
Informa UK Limited