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KMID : 1159320220240030307
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Korean Journal of Vision Science
2022 Volume.24 No. 3 p.307 ~ p.317
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The Association between Sodium Intake and Refractive Error in Korea Children and Adolescents: The Korea National Health and Nutrition Examination Survey
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Park Hye-Won
Kim Tae-Hun
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Abstract
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Purpose : This study investigated whether the association between sodium intake and refractive error among children and adolescents.
Methods : This study used the data from 968 children and adolescents aged 5~18years, obtained from the Korea National Health and Nutrition Examination Survey in 2016. Sodium intake was measured by data for food items in the 24-hour diet recall. For refractive error, the spherical equivalent (SE) of the right eye was applied. The association between a sodium intake and refractive error was analyzed using logistic regression analysis, after adjusting for potential confounding factors.
Results : There is a correlation between sodium intake and refractive error ( <0.001), and the higher the sodium intake, the higher the refractive error ( <0.001). In particular, sodium intake was shown significantly higher in myopia. After adjusting for potential confounding factors, in multivariate logistic regression analysis it was found that high sodium intake was significantly associated with an increased risk of myopia (OR 1.62; 95% CI 1.12-2.33, =0.010).
Conclusion : Our results revealed a significant association between sodium intake and refractive error in Korean children and adolescents. Being high sodium intake was also found to be associated with myopia.
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KEYWORD
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Adolescent, Children, Myopia, Refractive error, Sodium
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