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Socioeconomic inequality in Obesity among older adults age 50 years and above in Mexico: A decomposition analysis using evidence from the WHO study on global AGEing and adult health (SAGE) wave 2, 2014
Umeå University, Faculty of Medicine, Department of Epidemiology and Global Health.
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Background: Global, the prevalence of obesity has been increasing in many countries and have been particularly faster among low- and middle-income countries. Studies from high-income countries have shown inverse association between socioeconomic status and obesity. In contrast, obesity is positively associated to socioeconomic status in low- and middle-income countries. However, there is limited study in these countries showing the prevalence and determinants of obesity. In this study, we quantify socioeconomic inequalities in obesity and identify the determinants contributing to the inequality among older adults age 50 and above in Mexico.

Methods: The data source is the World Health Organization Study on Global AGEing and Adult Health (SAGE) Wave 2 (2014–2015). The analytical sample consisted of 2517 older adults aged 50 years and above. Obesity was the health outcome and household wealth index construct using principal component analysis (PCA), as a measure of living standard. Inequality in obesity across wealth groups was assessed with concentration indices and concentration curves. Decomposition analysis utilises a regression-based approach was conducted to determine the factors contributing to overall socioeconomic inequalities in obesity.

Results: In Mexico the prevalence of obesity was 37.7% among older adults. There was significant wealth-related inequality in obesity (CI=0.14713, p<0.001) and more highly concentrated among the rich. This inequality was mostly explained by the wealth quintiles contributed most to inequality in obesity (43.7%), demographic factors (area of residence (14.6%) and age (13.5%) and having chronic conditions contributed 5.6% to the observed inequality.

Conclusion: There are substantial socioeconomic (pro-poor) inequalities in obesity in Mexico. Household wealth, area of residence,age and having chronic conditions largely explain these inequalities.Based on our findings, we suggest that policies aimed at preventing obesity among older adults in Mexico should address socioeconomic and demographic disparities, should, therefore, be a priority for policymakers and targeting specific groups which suffer greater health inequality.

Place, publisher, year, edition, pages
2018. , p. 38
Series
Centre for Public Health Report Series, ISSN 1651-341X ; 2018:58
Keywords [en]
Obesity, High-income countries, Low-middle income countries, Socioeconomic inequality, Concentration Index, Decomposition analysis, Pro-poor
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:umu:diva-165563OAI: oai:DiVA.org:umu-165563DiVA, id: diva2:1373256
External cooperation
WHO SAGE - Paul Kowal
Educational program
Master's Programme in Public Health
Presentation
2018-10-18, Butajira, Building 5B, 3rd floor, Department of Epidemiology and Global Health, NUS, Umeå University, Umeå, 14:00 (English)
Supervisors
Examiners
Available from: 2019-11-27 Created: 2019-11-26 Last updated: 2019-11-27Bibliographically approved

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Tolasa, Ayantu Tafese
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CiteExportLink to record
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Citation style
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