Health-related quality of life by household income in Chile: a concentration index decomposition analysis

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dc.contributor.authorSeverino, Rodrigo
dc.contributor.authorEspinoza, Manuel
dc.contributor.authorCabieses, Báltica
dc.date.accessioned2023-01-17T16:06:43Z
dc.date.available2023-01-17T16:06:43Z
dc.date.issued2022
dc.description.abstractBackground: Health inequities have a profound impact on all dimensions of people’s lives, with invariably worse results among the most disadvantaged, transforming them into a more fragile and vulnerable population. These unfair inequalities also affect dimensions focused on subjectivity, such as health-related quality of life (HRQoL), which has been positioned, in recent decades, as an important outcome in health decision-making. The main objective of this study is to estimate socioeconomic inequality in HRQoL of Chilean by household income. Methods: Secondary analysis of the National Health Survey (ENS 2016–2017, Chile). This survey includes a nationally representative, stratified, and multistage household sample of people aged 15 and above. Socioeconomic inequality in HRQoL (EQ5D) is estimated by the concentration index (CI) ranked by household income. Decomposition analysis is conducted to examine potential explanatory sociodemographic factors. Results: The CI for household income inequality in HRQoL was -0.063. The lower the household income, the worse the HRQoL reported by in Chile. The decomposition analysis revealed that socioeconomic position contributes 75,7% to inequality in the quality of life, followed by educational level (21.8%), female gender (17.3%), and type of Health Insurance (15%), age (-19.7%) and residence (-10.8%). Less than 1% corresponds to the unexplained residual component. Conclusions: Our findings suggest the existence of a disproportionate concentration of worse HRQoL in the most disadvantaged socioeconomic groups in Chile. This inequality is largely, yet not completely, associated with household income. Other significant factors associated with this inequality are education, gender, and healthcare insurance. These results suggest the need of strengthening efforts to reducing socioeconomic gaps in health outcomes in Chile, as a means to achieve social justice and equity in health and healthcare.
dc.description.versionVersión publicada
dc.identifier.citationSeverino, R., Espinoza, M. & Cabieses, B. Health-related quality of life by household income in Chile: a concentration index decomposition analysis. Int J Equity Health 21, 176 (2022). https://doi.org/10.1186/s12939-022-01770-w
dc.identifier.urihttps://doi.org/10.1186/s12939-022-01770-w
dc.identifier.urihttps://repositorio.udd.cl/handle/11447/6928
dc.language.isoen
dc.subjectConcentration Index
dc.subjectDecomposition approach
dc.subjectSocioeconomic inequalities
dc.subjectHealth-Related Quality of Life
dc.subjectEQ-5D
dc.subjectChile
dc.titleHealth-related quality of life by household income in Chile: a concentration index decomposition analysis
dc.typeArticle
dcterms.sourceInternational Journal for Equity in Health

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