Evaluación de la confiabilidad y validez de constructo de la Escala de Calidad de Vida en Salud SF-12 en población chilena (ENCAVI 2015-6)
Background: Health-Related Quality of Life (HRQoL) is understood as a multidimensional variable, mostly measured using the SF-12 questionnaire. However, this measurement doesn't always replicate the factorial structure theoretically expected, hindering potential conclusions. Aim: To assess th...
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| Autores principales: | , |
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| Lenguaje: | Spanish / Castilian |
| Publicado: |
Sociedad Médica de Santiago
2020
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| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872020001101568 |
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| Sumario: | Background: Health-Related Quality of Life (HRQoL) is understood as a multidimensional variable, mostly measured using the SF-12 questionnaire. However, this measurement doesn't always replicate the factorial structure theoretically expected, hindering potential conclusions. Aim: To assess the reliability and validity of SF-12 questionnaire in a representative sample of Chilean participants. Material and Methods: Information was obtained from the National Quality of Life Survey performed in Chile during 2015-16. During the survey, SF-12 was answered by 7041 participants older than 15 years, with a median age of 47 years (63% women). Results: SF-12 has reliability, but it does not have construct validity. The analysis suggests that there is a factorial structure that resembles theory, only when factors and items are related. Conclusions: The practical importance of these results highlight the need to measure HRQoL using more extensive scales. |
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