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- Title
Psychometric Properties of the Brazilian 12-Item Short-Form Health Survey Version 2 (SF-12v2).
- Authors
Damásio, Bruno Figueiredo; Andrade, Thiago Francisco; Koller, Sílvia Helena
- Abstract
The 12-Item Short-Form Health Survey, in its initial (SF-12) and revised form (SF-12v2) is a widely used measure to evaluate health-related quality of life (HRQoL). The present study evaluates the factor structure and reliability of the Brazilian version of the SF-12v2. Participants were 627 subjects (74.1% women), aged from 18 to 88 years (M = 38.6; SD = 13.16), from 17 Brazilian states. Confirmatory factor analyses suggested two pairs of error terms to be highly correlated (3a-3b; and 4a-4b). A qualitative inspection showed an overlap of content among these items. The respecified model presented adequate fit indices. Convergent validity was also tested with measures of health-related self-care, subjective happiness, life satisfaction, depression and self-efficacy. Expected correlations were found between the SF-12v2 and these measures. Results showed initial evidence in favor of using the SF-12v2 as a measure of physical and mental health in the Brazilian context.
- Subjects
BRAZIL; HEALTH surveys; QUALITY of life; HAPPINESS; MENTAL depression; SELF-efficacy; TEST validity; FACTOR analysis; PSYCHOMETRICS; CHI-squared test; CONFIDENCE intervals; HEALTH status indicators; QUESTIONNAIRES; RELIABILITY (Personality trait); RESEARCH evaluation; SATISFACTION; HEALTH self-care; SAMPLE size (Statistics); RESEARCH methodology evaluation; DATA analysis software; DESCRIPTIVE statistics
- Publication
Paideia (0103863X), 2015, Vol 25, Issue 60, p29
- ISSN
0103-863X
- Publication type
Article
- DOI
10.1590/1982-43272560201505