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The Spanish SF-36 in Peru: factor structure, construct validity, and internal consistency

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dc.contributor.author Salazar, Fernando Raul
dc.contributor.author Bernabe, Eduardo
dc.date.accessioned 2019-02-06T14:52:13Z
dc.date.available 2019-02-06T14:52:13Z
dc.date.issued 2012
dc.identifier.uri http://doi.org/10.1177/1010539511432879
dc.identifier.uri http://repositorio.upch.edu.pe/handle/upch/5272
dc.description.abstract This study assessed the psychometric properties of the SF-36 questionnaire in a sample of 4344 Peruvian people aged 15 to 64 years. Internal consistency reliability was estimated using Cronbach's alpha coefficient, construct validity by known-groups comparison defined with respect to key sociodemographic characteristics, and factor structure by confirmatory factor analysis (CFA) at item level. Cronbach's alpha coefficient for the full questionnaire was 0.82 and ranged between 0.66 and 0.92 by scales. The 8 scales discriminated well between sexes, age, and socioeconomic groups. CFA showed that a model with 8 first-order factors and 2 second-order factors (namely, physical and mental health) was a feasible representation of the SF-36 factor structure and had better fit to data than alternative factor structures. The SF-36 showed appropriate psychometric properties regarding internal consistency, construct validity, and factor structure when tested in Peru. Future studies should focus on testing other psychometric properties of the SF-36, such as convergent and discriminant validity, test-retest reliability, and sensitivity to change.
dc.language.iso eng
dc.publisher SAGE Publications
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Peru
dc.subject Adolescent
dc.subject Adult
dc.subject Female
dc.subject Humans
dc.subject Male
dc.subject Young Adult
dc.subject Middle Aged
dc.subject Socioeconomic Factors
dc.subject Reproducibility of Results
dc.subject Age Factors
dc.subject Sex Factors
dc.subject validity
dc.subject Psychometrics
dc.subject Factor Analysis, Statistical
dc.subject factor structure
dc.subject psychometrics
dc.subject SF-36 questionnaire
dc.subject Surveys and Questionnaires/standards
dc.title The Spanish SF-36 in Peru: factor structure, construct validity, and internal consistency
dc.type info:eu-repo/semantics/article
dc.identifier.journal Asia-Pacific Journal of Public Health


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