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Measurement Invariance and Validity of the Satisfaction With Life Scale in Informal Caregivers / Invarianza Métrica y Validez de la Escala de Satisfacción Vital en Cuidadores Informales
García-Castro, F. Javier; Bendayan, Rebecca; Blanca, María J.
Affiliation
  • García-Castro, F. Javier; University of Málaga. España
  • Bendayan, Rebecca; King’s College London. London. U.K
  • Blanca, María J; University of Málaga. España
Psicothema (Oviedo) ; 34(2): 299-307, 2022. tab, graf
Article in English | IBECS | ID: ibc-204118
Responsible library: ES1.1
Localization: ES15.1 - BNCS
ABSTRACT

Background:

The number of informal caregivers within ageing populationis increasing and there is a growing research interest to promote their well-being, and therefore there is a need for adequate measurement tools. Weaim to provide validity evidence of the Satisfaction with Life Scale (SWLS)in a representative sample of British older adults, including measurementinvariance across caregivers and non-caregivers.

Method:

Data wasdrawn from English Longitudinal Study of Ageing (ELSA). The sampleconsisted of 3,754 caregivers and 4,036 non-caregivers. The structureand measurement invariance were tested through a confirmatory factoranalysis. Reliability and validity evidence based on relationships withother variables were also analysed.

Results:

Our results supported the one-factor structure of the SWLS, CFI = .996; NNFI = .993; RMSEA = 0.081,and measurement invariance across caregiving status. McDonald’s omegawas .93. Scores on the SWLS were positively correlated with quality oflife, positive social support, and self-reported health, and negatively withloneliness, depression, negative social support, difficulties in activities andinstrumental activities of daily living, and number of health conditions.

Conclusions:

These findings provide new psychometric evidence tosupport the use of the SWLS in research which focuses on caregivers andon the comparison with non-caregiver samples.
RESUMEN
Antecedentes el número de cuidadores informalesmayores está aumentando y existe un creciente interés en la investigaciónsobre su bienestar, para lo cual es necesario disponer de instrumentosadecuados de medida. Se pretende proporcionar evidencias de validez dela Escala de Satisfacción Vital (SWLS) en una muestra representativa demayores de la población británica, incluyendo invarianza factorial entrecuidadores y no cuidadores.

Método:

los datos se extrajeron del EnglishLongitudinal Study of Ageing (ELSA). Participaron 3.754 cuidadores y4.036 no cuidadores. La estructura y la invarianza factorial se evaluaronmediante análisis factorial confirmatorio. También se analizaron la fiabilidady la validez basada en la relación con otras variables.

Resultados:

los resultados apoyaron la estructura unifactorial del SWLS, CFI = .996; NNFI= .993; RMSEA = 0.081, y su invarianza factorial entre cuidadores y nocuidadores. El omega de McDonald fue .93. Se encontraron correlacionespositivas con calidad de vida, apoyo social positivo y salud percibida, ynegativas con soledad, depresión, apoyo social negativo, dificultades enactividades y actividades instrumentales de la vida diaria y problemas desalud.

Conclusiones:

los hallazgos proporcionan nueva evidencia empíricaque apoya el uso del SWLS en investigación centrada en cuidadores.
Subject(s)


Full text: Available Collection: National databases / Spain Database: IBECS Main subject: Personal Satisfaction / Quality of Life / 16054 / Activities of Daily Living / Caregivers Limits: Female / Humans / Male Country/Region as subject: Europa Language: English Journal: Psicothema (Oviedo) Year: 2022 Document type: Article Institution/Affiliation country: King’s College London/U.K / University of Málaga/España

Full text: Available Collection: National databases / Spain Database: IBECS Main subject: Personal Satisfaction / Quality of Life / 16054 / Activities of Daily Living / Caregivers Limits: Female / Humans / Male Country/Region as subject: Europa Language: English Journal: Psicothema (Oviedo) Year: 2022 Document type: Article Institution/Affiliation country: King’s College London/U.K / University of Málaga/España
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