Sounghoon Chang

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To evaluate the sensitivity and specificity of Community Health Survey (CHS), we analyzed data from 11,217 participants aged ≥ 19 yr, in 13 cities and counties in 2008. Three healthcare utilization indices (admission, outpatient visits, dental visits) as comparative variables and the insurance benefit claim data of the Health Insurance Review & Assessment(More)
BACKGROUND Hepatitis B remains the most common transfusion-transmitted viral infection. We explored the current status of pre-transfusion screening and post-transfusion follow-up testing for hepatitis B virus (HBV) surface antigen (HBsAg) and antibodies (anti-HBs) in blood recipients from an area of high HBV endemicity. METHODS A total of 7,780 blood(More)
OBJECTIVES The purpose of this study was to identify the prevalence of and risk factors for urinary incontinence (UI) in Korean men. METHODS This epidemiologic survey adopted a two-stage systematic sampling method. A total of 5831 men participated in this survey. Face-to-face interviews were used to collect data. Age, mobility, self-care ability,(More)
PURPOSE No precise data are available showing how magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA) can be applied to diagnosis for the first attack of a suspected cerebrovascular disease in Korea. The purpose of this study was to evaluate the application level of MRI and MRA as diagnostic tools and the related factors to the use of(More)
PURPOSE We investigated the role of individual and community level factors on diabetes screening test behavior. METHODS We used individual-level data from 170,193 adults aged 30 years or older who were not diagnosed with diabetes and participated in the 2009 community health survey. Community-level data includes 253 communities and were collected from(More)
PURPOSE Longitudinal changes in the prevalence of self-reported physician-diagnosed allergic rhinitis (AR) in Korea and the association between the prevalence of AR and type of residence area among Korean males and females in 1998, 2001, 2005 and 2007-2009 were evaluated. METHODS Age-standardized prevalence was calculated using the Korea National Health(More)
The purpose of this study was to identify factors that could be used as standardized criteria for evaluating occupational diseases in initial assessments or requests for examination. Using 100 administrative litigation cases on the work-relatedness of cerebrovascular diseases (CVDs) by the Seoul Branch of the Korea Labor Welfare Corporation (KLWC) from 1997(More)
OBJECTIVES To increase the booster vaccination rate, the Korean government legislated a measles vaccination for elementary school students in 2001, requiring parents to submit a certificate of vaccination upon the admission of the students to elementary school. The purpose of this study was to evaluate the validity of measles vaccination certificates which(More)
OBJECTIVE To assess the impact of male urinary incontinence on health-related quality of life by population based study. METHODS A two-stage systematic sampling method was adopted. A total of 5830 men participated in this survey. Face -to-face interviews were used to collect data. Urinary incontinence and symptom bother were measured with the Urogenital(More)
Although there are lots of studies about the risk for the hepatitis B virus infection such as the residual risk for donated blood, there is no research on the risk of HBV infection, from the viewpoint of recipients in Korea. Using the data about HBsAg status of donated blood in 2008 and 2009, the distribution of blood components from the claim data of(More)