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OBJECTIVE The authors assessed the relationship between exposure to ambient particulate matter and suicide in urban settings during a 1-year period. METHOD The association between particulate matter and suicide was determined using a time-stratified case-crossover approach in which subjects served as their own controls. All suicide cases (4,341) in 2004(More)
OBJECTIVES We examined the effect of sociodemographic factors, cancer, and psychiatric disorders on suicide by gender and age-specific patterns in South Korea. METHODS The study is a case-control study. Claim data was obtained from the national health insurance database and national death registration database. The number of people who committed suicide(More)
BACKGROUND Analysis of temporal patterns of medical care utilization prior to suicide may aid in developing suicide prevention programs. The aim of this study was to investigate age and gender differences in temporal patterns of medical care utilization during 1 year prior to suicide. METHODS Medical care utilization data of all suicide completers in the(More)
In the Republic of Korea (ROK), military antimalarial chemoprophylaxis was initiated in 1997. Although chemoprophylaxis reduces malaria cases, long-term chemoprophylaxis could increase resistance. In this study, the recurrence rate of vivax malaria was investigated. All vivax malaria cases that occurred before 31 December 2003 among soldiers and veterans(More)
OBJECTIVES Many epidemiological studies have suggested that a variety of medical illnesses are associated with suicide. Investigating the time-varying pattern of medical care utilization prior to death in suicides motivated by physical illnesses would be helpful for developing suicide prevention programs for patients with physical illnesses. METHODS(More)
OBJECTIVES Several epidemiological studies on medical care utilization prior to suicide have considered the motivation of suicide, but focused on the influence of physical illnesses. Medical care expenditure in suicide completers with non-illness-related causes has not been investigated. METHODS Suicides motivated by non-illness-related factors were(More)
Since 2004, the South Korean government has introduced a policy that decreases copayment for cancer patients by strengthening public coverage in the National Health Insurance (NHI) system (first phase=copayment for outpatient care from 30% to 20%; second phase=copayment for total medical expenditures from 20% to 10%; third phase=copayment for total medical(More)
BACKGROUND In South Korea, people injured in road traffic accidents receive compensation for medical costs through their automobile insurance. However, the automobile insurance system appears to manage health care inefficiently. This study aimed to investigate the factors associated with the hospital length of stay (LOS), which was used as an indicator of(More)
BACKGROUND There were some debates about the water fluoridation program in South Korea, even if the program had generally substantial effectiveness. Because the out-of-pocket expenditures for dental care were higher in South Korea than in other countries, an efficient solution was needed. Therefore, we examined the relationship between the implementation of(More)