Changement paradoxal dans l'inegalite economique en matiere de correction des vices de refraction entre 2009 et 2014: une baisse non significative

(2021) Changement paradoxal dans l'inegalite economique en matiere de correction des vices de refraction entre 2009 et 2014: une baisse non significative. Eastern Mediterranean Health Journal. pp. 679-686. ISSN 1020-3397 1687-1634 J9 - E MEDITERR HEALTH J

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Abstract

Background: Despite the widespread literate on health inequalities and their determinants, changes in health inequalities over time have not received enough attention. Aims: To measure and decompose the over-time changes in economic inequality in presenting visual acuity measured using Logarithm of the Minimum Angle of Resolution. Methods: We analysed 4706 participants who had complete data on presenting visual acuity and economic status in 2009 and 2014 in the Shahroud Eye Cohort Study. We measured changes in presenting visual acuity concentration indices and decomposed them the using a longitudinal approach. Results: Both the presenting visual acuity and economic status deteriorated between 2009 and 2014. The mean (standard deviation) for presenting visual acuity and economic status scores in 2009 versus 2014 were 0.090 (0.2) versus 0.103 (0.2) and 0.01 (1.0) versus 0.0005 (1.07), respectively. Presenting visual acuity concentration index (95 confidence interval) in the first versus second phases of the study were -0.245 (-0.212 to -0.278) versus -0.195 (-0.165 to -0.225), respectively. Longitudinal decomposition of this change in concentration indices during the 5-year period indicated that the most important contributor to reduction in economic inequality of presenting visual acuity was deterioration of presenting visual acuity among people with higher economic status due to their ageing. Conclusion: Unexpectedly, reduction in economic inequality in presenting visual acuity was due to presenting visual acuity deterioration among the higher economic status group rather than its amelioration among the lower economic status group. Therefore, the needs of all socioeconomic groups should be considered separately to modify presenting visual acuity in each group and, consequently, reduce the economic inequality in presenting visual acuity.

Item Type: Article
Keywords: health inequality economic inequality longitudinal analysis presenting visual acuity socioeconomics VISUAL IMPAIRMENT SOCIOECONOMIC INEQUALITIES SHAHROUD EYE DETERMINANTS MALNUTRITION POPULATION
Page Range: pp. 679-686
Journal or Publication Title: Eastern Mediterranean Health Journal
Journal Index: ISI
Volume: 27
Number: 7
Identification Number: https://doi.org/10.26719/emhj.21.020
ISSN: 1020-3397 1687-1634 J9 - E MEDITERR HEALTH J
Depositing User: Zahra Otroj
URI: http://eprints.mui.ac.ir/id/eprint/17545

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