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Psychometric properties of Antonovsky's 29-item Sense of Coherence scale in research on older home-dwelling Norwegians.
University of Agder, Center for Caring Research – Southern Norway, Faculty of Health and Sport Sciences, Grimstad, Norw.
Diakonhjemmet University College, Department of Social Welfare and Occupational therapy, Sandnes, Norway.
University West, Department of Nursing, Health and Culture, Divison for Health, Culture and Educational Sciences.ORCID iD: 0000-0002-4722-009X
University of Agder, Center for Caring Research – Southern Norway, Faculty of Health and Sport Sciences, Grimstad, Norw.
2015 (English)In: Scandinavian Journal of Public Health, ISSN 1403-4948, E-ISSN 1651-1905, Vol. 43, no 8, p. 867-874Article in journal (Refereed) Published
Abstract [en]

AIM: The aim of this study was to test the homogeneity and construct validity of the Sense of Coherence 29-item scale (SOC-29) among older home-dwelling Norwegians.

METHODS: A postal questionnaire, consisting of background variables, five health-related questions, the SOC-29, and three other instruments measuring mental health, self-care ability, and risk for undernutrition, was sent to 6033 home-dwelling older people (65+ years) in southern Norway. A total of 2069 participants were included. Homogeneity was assessed with Cronbach's alpha coefficient and item-to-total correlations. The construct validity was assessed with "the known-groups technique," a linear stepwise regression analysis with SOC score serving as the dependent variable and with confirmatory factor analysis.

RESULTS: With a Cronbach's alpha coefficient of 0.91 and statistically significant item-to-total correlations, the SOC-29 was found to be homogeneous. Construct validity was supported because the SOC-29 could separate known groups with expected high and low scores. The factors that could predict SOC were mental health, self-care ability, feeling lonely, being active, and chronic disease or handicap. Evidence of construct validity was displayed in a confirmatory factor analysis that confirmed SOC-29 as one theoretical construct with the three dimensions, comprehensibility, manageability, and meaningfulness.

CONCLUSIONS: The Norwegian version of the SOC-29 is a reliable and valid instrument for use in research among older people. The results confirm that SOC has a particularly strong relationship with mental health and self-care ability.

Place, publisher, year, edition, pages
2015. Vol. 43, no 8, p. 867-874
Keywords [en]
Construct validity, homogeneity, reliability, scale testing, validity
National Category
Nursing
Research subject
NURSING AND PUBLIC HEALTH SCIENCE, Nursing science
Identifiers
URN: urn:nbn:se:hv:diva-7851DOI: 10.1177/1403494815598863ISI: 000364636600012PubMedID: 26249839Scopus ID: 2-s2.0-84946733715OAI: oai:DiVA.org:hv-7851DiVA, id: diva2:845601
Available from: 2015-08-12 Created: 2015-08-10 Last updated: 2017-12-04Bibliographically approved

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