Educational disparities in diabetes: a mediation analysis th | 75729


Educational disparities in diabetes: a mediation analysis through BMI among urban adults from Argentina

Author(s): Rodríguez López, Santiago1,2; Tumas, Natalia1,3,4

Introduction: Low socio-economic status is linked to a higher probability of having type 2 diabetes mellitus in adulthood, including body mass index as a mediation factor in such association. However, the evidence from low- and middle-income countries is scarce and the mechanisms beyond this relationship are not yet completely acknowledge.

Objective: The purposes of this study are to i) evaluate the potential mediating role of body mass index in the relationship between educational background and diabetes mellitus; ii) assess whether these associations vary by gender and age.

Methods: Cross-sectional study. Data came from the Argentine National Health Survey of Risk Factors 2013 (n=30,119, 18-years-old and older). Age-adjusted gender specific simple mediation modeling was conducted to estimate the potential mediation role of body mass index, in the association between educational level and self-reported diabetes mellitus.

Results: In women there was a positive direct (OR 1.11; 95% CI 1.09, 1.13) and indirect -through body mass index associations (OR 1.12; 95% CI 1.09, 1.36) between low education and diabetes mellitus. The associations were also significant for older women (50 years +), directly (OR 1.28; 95% CI 1.12, 1.44) and indirectly (OR 1.09; 95% CI 1.07, 1.13). In men, low education was associated with lower odds of diabetes mellitus (OR 0.86, 95% CI 0.76, 0.98).

Conclusion: Decreasing body mass index might be an intermediate target to reduce the occurrence of diabetes mellitus among Argentinean adults, particularly among socially disadvantaged women.

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Journal Highlights
  • Blood Glucose
  • Dietary Supplements
  • Cholesterol, Dehydration
  • Digestion
  • Electrolytes
  • Clinical Nutrition Studies
  • energy balance
  • Diet quality
  • Clinical Nutrition and Hospital Dietetics