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The association between socioeconomic status and visual impairments among primary glaucoma: the results from Nationwide Korean National Health Insurance Cohort from 2004 to 2013

 Haejune Sung  ;  Hyun Ho Shin  ;  Yunseng Baek  ;  Gyu Ah Kim  ;  Jae Sang Koh  ;  Eun-Cheol Park  ;  Jaeyong Shin 
 BMC OPHTHALMOLOGY, Vol.17(1) : 153, 2017 
Journal Title
Issue Date
Adult ; Aged ; Female ; Glaucoma/complications* ; Humans ; Income ; Logistic Models ; Male ; Middle Aged ; Odds Ratio ; Prevalence ; Republic of Korea/epidemiology ; Socioeconomic Factors ; Vision Disorders/epidemiology*
Income level ; Primary glaucoma ; Socioeconomic status ; Visual impairment
BACKGROUND: Glaucoma is one of the most leading causes of permanent visual impairments in Korea, and social expenses spent for the glaucoma are increasing. This study is to identify association between socioeconomic status and the visual impairments caused by primary glaucoma in Korea.

METHODS: This study is based on a cohort study using stratified representative samples in the National Health Insurance claim data from 2002 to 2013 with 1,025,340 representative subjects. Target subjects were patients who are newly diagnosed with primary glaucoma from 2004 to 2013. We conducted a multiple logistic regression analysis depending on the occurrence of visual impairment and its temporal order compared to the glaucoma diagnosis.

RESULTS: Among 1728 patients with primary glaucoma, those with low and middle income shows higher odds ratio (OR) of the visual impairments than those with high income group (low income; OR = 3.42, 95% Confidential Interval (CI):2.06-5.66, middle income; OR = 2.13, 95% CI: 1.28-3.55), in case of the occurrence of the visual impairments preceded the diagnosis of glaucoma.

CONCLUSIONS: Glaucoma patients without pre-existing glaucoma history before visual impairment have higher association between socioeconomic status and the occurrence of visual impairments by primary glaucoma. Since glaucoma had not been diagnosed and recognized yet, the differences may have been derived from the disparities of the awareness of the glaucoma. These findings call attention to the correlation between socioeconomic factors and the visual impairments by glaucoma, and raise public health needs over the importance of glaucoma awareness and eye screening for glaucoma, especially for low socioeconomic status.
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1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
Yonsei Authors
Ko, Jaesang(고재상) ORCID logo https://orcid.org/0000-0002-3011-7213
Kim, Gyuah(김규아)
Park, Eun-Cheol(박은철) ORCID logo https://orcid.org/0000-0002-2306-5398
Shin, Jae Yong(신재용)
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