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Validity and reliability of the SF-36 in Chilean older adults: the ALEXANDROS study

Authordc.contributor.authorLera Marques, Lydia es_CL
Authordc.contributor.authorFuentes García, Alejandra es_CL
Authordc.contributor.authorSánchez Reyes, Hugo 
Authordc.contributor.authorAlbala Brevis, Cecilia es_CL
Admission datedc.date.accessioned2014-02-03T17:27:50Z
Available datedc.date.available2014-02-03T17:27:50Z
Publication datedc.date.issued2013
Cita de ítemdc.identifier.citationEur J Ageing (2013) 10:127–134en_US
Identifierdc.identifier.otherDOI 10.1007/s10433-012-0256-2
Identifierdc.identifier.urihttp://repositorio.uchile.cl/handle/2250/124087
General notedc.descriptionArtículo de publicación ISIen_US
Abstractdc.description.abstractTo validate short-form-36 health survey (SF-36) with specific scoring algorithm obtained in a large sample of Chilean older people and to associate quality of life in this sample with social and health related factors. A cross-sectional study on 2,143 community-living subjects aged 60–92 years (33 % men and 67 % women) conducted in Santiago, Chile. Scores in 8 scales of SF-36-physical function (PF), role physical (RP), bodily pain (BP), general health (GH), vitality (VT), social functioning (SF), role emotional (RE) and mental health (MH)-, were calculated. Factor analysis was used to extract two principal factors and logistic regression model was applied to estimate its association with socio-demographic and health variables. The internal consistency of scales was high (Cronbach’s alpha 0.86–0.87). Factor analysis retained two factors: mental (MCS) and physical (PCS) components accounting for 65.3 % of total variance (55.3 and 10.0 % respectively). High correlations (0.61–0.94) between MCS and MH, V, RE and SF were obtained. PCS correlated highest (0.72–0.86) with RP, PF and BP. Self-perceived symptoms of depression (GDS-15 C5) was the main variable explaining low scores in both MCS and PCS (adjusted OR = 26.9; 95 % CI: 15.3–47.2; OR = 3.4; 95 % CI: 2.1–5.5, respectively). We have demonstrated the reliability and validity of SF-36 questionnaire to evaluate health related quality of life, reporting Chilean-Specific factor score coefficients for MCS and PCS based in national Chilean means and standard deviations for older people. After adjusting by age and gender, themain predictors of low health related QoL in Chilean older people were selfperceived symptoms of depression, the presence of two or more chronic diseases and illiteracy. Important gender inequalities were observed in all of these results, being consistently less favorable inwomen than in men.en_US
Lenguagedc.language.isoenen_US
Publisherdc.publisherSpringeren_US
Type of licensedc.rightsAttribution-NonCommercial-NoDerivs 3.0 Chile*
Link to Licensedc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
Keywordsdc.subjectOlder peopleen_US
Títulodc.titleValidity and reliability of the SF-36 in Chilean older adults: the ALEXANDROS studyen_US
Document typedc.typeArtículo de revistaen_US


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Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 Chile