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Factor structure of...
Factor structure of a conceptual model of oral health tested among 65-year olds in Norway and Sweden
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- Åstrøm, Anne Nordrehaug (författare)
- Institute of Clinical Dentistry, Faculty of Medicine and Odontology, University of Bergen, Bergen, Norway
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- Ekbäck, Gunnar, 1954- (författare)
- Institute of Clinical Dentistry, Faculty of Medicine and Odontology, University of Bergen, Bergen, Norway; Department of Dentistry, Örebro County Council, Örebro, Sweden
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- Ordell, Sven (författare)
- Dental Commissioning Unit, Östergötland County Council, Linköping, Sweden; Department of Oral Public Health, Malmö University, Malmö, Sweden
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(creator_code:org_t)
- Wiley, 2010
- 2010
- Engelska.
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Ingår i: Community Dentistry and Oral Epidemiology. - : Wiley. - 0301-5661 .- 1600-0528. ; 38:2, s. 110-119
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- BACKGROUND: No studies have tested oral health-related quality of life models in dentate older adults across different populations.OBJECTIVES: To test the factor structure of oral health outcomes within Gilbert's conceptual model among 65-year olds in Sweden and Norway. It was hypothesized that responses to 14 observed indicators could be explained by three correlated factors, symptom status, functional limitations and oral disadvantages, that each observed oral health indicator would associate more strongly with the factor it is supposed to measure than with competing factors and that the proposed 3-factor structure would possess satisfactory cross-national stability with 65-year olds in Norway and Sweden.METHODS: In 2007, 6078 Swedish- and 4062 Norwegian adults borne in 1942 completed mailed questionnaires including oral symptoms, functional limitations and the eight item Oral Impacts on Daily Performances inventory.RESULTS: Model generation analysis was restricted to the Norwegian study group and the model achieved was tested without modifications in Swedish 65-year olds. A modified 3-factor solution with cross-loadings, improved the fit to the data compared with a 2-factor- and the initially proposed 3-factor model among the Norwegian [comparative fit index (CFI) = 0.97] and Swedish (CFI = 0.98) participants. All factor loadings for the modified 3-factor model were in the expected direction and were statistically significant at CR > 1. Multiple group confirmatory factor analyses, with Norwegian and Swedish data simultaneously revealed acceptable fit for the unconstrained model (CFI = 0.97), whereas unconstrained and constrained models were statistically significant different in nested model comparison.CONCLUSIONS: Within construct validity of Gilbert's model was supported with Norwegian and Swedish 65-year olds, indicating that the 14-item questionnaire reflected three constructs; symptom status, functional limitation and oral disadvantage. Measurement invariance was confirmed at the level of factor structure, suggesting that the 3-factor model is comparable to some extent across 65-year olds in Norway and Sweden.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Odontologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dentistry (hsv//eng)
Nyckelord
- Confirmatory factor analysis; Factor structure; Oral health
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- art (ämneskategori)
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