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Socioeconomic - Related Inequalities in Overweight and Obesity: Findings From the Persian Cohort Study Publisher Pubmed



Najafi F1, 2 ; Soltani S1, 2 ; Karami Matin B1, 2 ; Kazemi Karyani A1, 2 ; Rezaei S1 ; Soofi M2 ; Salimi Y2 ; Moradinazar M1 ; Hajizadeh M3 ; Barzegar L1 ; Pasdar Y1 ; Hamzeh B1 ; Haghdoost AA4 ; Malekzadeh R5 Show All Authors
Authors
  1. Najafi F1, 2
  2. Soltani S1, 2
  3. Karami Matin B1, 2
  4. Kazemi Karyani A1, 2
  5. Rezaei S1
  6. Soofi M2
  7. Salimi Y2
  8. Moradinazar M1
  9. Hajizadeh M3
  10. Barzegar L1
  11. Pasdar Y1
  12. Hamzeh B1
  13. Haghdoost AA4
  14. Malekzadeh R5
  15. Poustchi H5
  16. Eghtesad S5
  17. Nejatizadeh A6
  18. Moosazadeh M7
  19. Zare Sakhvidi MJ8
  20. Joukar F9
  21. Hashemishahri SM10
  22. Vakilian A11
  23. Niknam R12
  24. Faramarzi E13
  25. Akhavan Akbari G14
  26. Ghorat F15
  27. Khaledifar A16
  28. Vahabzadeh D17
  29. Homayounfar R18
  30. Safarpour AR12
  31. Hosseini SV19
  32. Rezvani R20
  33. Hosseini SA21

Source: BMC Public Health Published:2020


Abstract

Background: Overweight and obesity are major health concerns worldwide, with adverse health consequences during the life span. This study measured socioeconomic inequality in overweight and obesity among Iranian adults. Methods: Data were extracted from 129,257 Iranian adults (aged 35 years and older) participated in the Prospective Epidemiologic Research Studies in IrAN (PERSIAN) in 14 provinces of Iran in 2014. Socioeconomic-related inequality in overweight and obesity was estimated using the Concentration Index (Cn). The Cn further decomposed to find factors explaining the variability within the Socioeconomic related inequality in overweight and obesity. Results: Of the total number of participants, 1.98, 26.82, 40.76 and 30.43% had underweight, normal weight, overweight and obesity respectively. The age-and sex standardized prevalence of obesity was higher in females than males (39.85% vs 18.79%). People with high socioeconomic status (SES) had a 39 and 15% higher chance of being overweight and obese than low SES people, respectively. The positive value of Cn suggested a higher concentration of overweight (0.081, 95% confidence interval [CI]; 0.074-0.087) and obesity (0.027, 95% CI; 0.021-0.034) among groups with high SES. There was a wide variation in socioeconomic-related inequality in overweight and obesity rate across 14 provinces. The decomposition results suggested that SES factor itself explained 66.77 and 89.07% of the observed socioeconomic inequalities in overweight and obesity among Iranian adults respectively. Following SES, province of residence, physical activity, using hookah and smoking were the major contributors to the concentration of overweight and obesity among the rich. Conclusions: Overall, we found that overweight and obesity is concentrated among high SES people in the study population. Accordingly, it seems that intersectional actions should be taken to control and prevent overweight and obesity among higher socioeconomic groups. © 2020 The Author(s).
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