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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

2025-04-11Artigo científico Acesso aberto
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dc.contributor.authorTavares, João
dc.contributor.authorROSAS DA SILVA, SOFIA DE LURDES
dc.contributor.authorRibeiro, Ana
dc.contributor.authorMatheus, Anna
dc.contributor.authorSá-Couto, Pedro
dc.contributor.authorSousa, Liliana
dc.contributor.authorGuerra, Sara
dc.date.accessioned2026-05-15T15:34:56Z
dc.date.available2026-05-15T15:34:56Z
dc.date.issued2025-04-11
dc.description.abstractObjectives: 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.eng
dc.identifier.citationTavares, 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
dc.identifier.doi10.1080/13607863.2025.2490712
dc.identifier.issn1360-7863
dc.identifier.issn1364-6915
dc.identifier.urihttp://hdl.handle.net/10400.26/63167
dc.language.isoeng
dc.peerreviewedyes
dc.publisherInforma UK Limited
dc.relationUIDB/4255/2020
dc.relationUIDP/4255/ 2020
dc.relationRISE (LA/P/0053/ 2020)
dc.relation.ispartofAging & Mental Health
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectALONE scale
dc.subjectcommunitydwelling
dc.subjectloneliness
dc.subjectolderadults
dc.subjectpsychometric properties
dc.titlePsychometric validation of the Portuguese ALONE scale and analysis of factors associated with severe loneliness in a sample of community-dwelling older adultseng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1622
oaire.citation.issue9
oaire.citation.startPage1613
oaire.citation.titleAging & Mental Health
oaire.citation.volume29
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameROSAS DA SILVA
person.givenNameSOFIA DE LURDES
person.identifier.ciencia-id5711-B5CC-6CE1
person.identifier.orcid0000-0003-2856-3502
person.identifier.scopus-author-id57734887000
relation.isAuthorOfPublication83a4a0ad-2447-49b4-b15c-55717f357baf
relation.isAuthorOfPublication.latestForDiscovery83a4a0ad-2447-49b4-b15c-55717f357baf

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