Assessing the immunogenicity of a single dose hepatitis A virus (HAV) vaccines is important because some people receive only dose. However, previous studies have shown variable results and not examined effects demographic characteristics other than gender. This study was performed to examine HAV vaccine according type in young adults.Seronegative medical school students were randomly allocated either Havrix or Epaxal.After approximately 11 months, seroconversion rate 451 participants 80.7%....

Abstract This study was conducted to assess the changes in annual incidence of adult asthma Korea where prevalence had increased steadily recent decades. A population-based cohort using National Health Insurance Service–National Sample Cohort (NHIS-NSC), which consisted 746,816 adults aged >20 years between 2004 and 2012. Asthma defined by two or more physician claims on basis a primary diagnostic code for administration medications within 1 year. The rates percent change were calculated,...

Introduction As the number of cancer survivors is rapidly increasing with increased incidence disease and improved survival patients, prevalence of, risk factors for, mental health problems suicidality among should be examined. Methods analysis Using data obtained from Korean National Health Nutrition Examination Survey (2007–2013), we examined 1285 33 772 participants who had been never diagnosed cancer, respectively. We investigated risks feelings sadness suicide attempts general...

Research has shown the effects of climatic factors on shigellosis; however, no previous study evaluated in regions with a winter seasonality shigellosis incidence. We examined temperature and precipitation incidence Korea from 2002–2010. The was calculated based data Korean Center for Disease Control Prevention (KCDC, Cheongju, Korea), generalized additive model (GAM) used to analyze associations between factors. annual rate 7.9 cases/million persons During 2007–2010, high rates were...

Socioeconomic inequalities in health are commonly known to decrease at late age. Yet, it remains unclear whether socioeconomic age appear relation multimorbidity, particularly Korea where social support unsatisfactory for older people. Using three waves of Health Panel, data 19,942 observations with repeated measure were constructed ensure a temporal sequence between measures (i.e., poverty, employment status, and education) multimorbidity t t+1 year transition. A multilevel multinomial...

Despite the wide recognition of inverse association between socioeconomic position (SEP) and suicidal behaviors, its underlying process potential mediators are little known. This study investigated pathway from SEP to suicide attempts with attention mediators.From Korean Health Nutrition Examination Survey 2007-2013, which is a nationwide cross-sectional survey health nutritional status, total 34,565 participants (≥30 years) were included in analysis. To unfold pathways linking attempts,...

New phenotypes of chronic obstructive pulmonary disease (COPD) based on emphysema severity have been recognized recently. The purpose this study was to determine the relationship between (phenotype) and lung cancer location in patients with COPD.Four hundred 405 primary cancers confirmed pathologically January 2010 March 2014 were included study. Of these, 193 received a diagnosis COPD according Global Initiative for Chronic Obstructive Lung Disease guidelines. We scored (0-4) thin-section...

Intubation-Surfactant-Extubation (InSurE) and less invasive surfactant administration (LISA) are alternative replacement therapy methods for reducing the complications associated with mechanical ventilation. This study aimed to compare Classic, InSurE, LISA in Very-Low-Birth-Weight infants (VLBWIs) South Korea.The Korean Neonatal Network (KNN) enrolled VLBWIs born between January 1, 2019 December 31, 2020. They were analyzed retrospectively duration of respiratory support, length...

Although the effects of age, period, and cohort (APC) on suicide are important, previous work in this area may have been invalid because an identification problem. We analyzed these under three different scenarios to identify vulnerable groups thus overcame extracted annual numbers suicides from National Death Register Korea (1992–2015) estimated APC effects. The average rates 1992–2015 were 31.5 14.7 per 100,000 males females, respectively. similar both sexes. age effect was clearly higher...

Rotavirus (RV) is a common cause of viral gastroenteritis in children worldwide. We aimed to investigate the incidence, symptoms, and genotype RV infection neonatal intensive care unit (NICU) South Korea 5 years after introduction vaccination evaluate its effect on newborn infants.A total 431 fecal specimens were collected from patients admitted NICU between April 20, 2012 September 10, 2013. Enzyme-linked immunoassays used detect antigen. Nested multiplex polymerase chain reaction was for...

Purpose This study aimed to examine whether and what degree the suicide risk of psychiatric patients is associated with non-psychiatric health service utilization. Methods We selected incident patients, including schizophrenia, bipolar disorders, borderline personality disorder, depressive other affective post-traumatic stress disorder in 2007–2010 followed them up until 2017 based on data linkage between Korean National Health Insurance Death Registry. analyzed time-dependent association...

We previously observed 80.7% seropositivity and a significant interaction between gender hepatitis A virus (HAV) vaccine type (Havrix vs. Epaxal) on the approximately 11 months after single-dose HAV vaccinations in Korean young adults. Our objective was to evaluate 2 years vaccination influence of demographic characteristics seropositivity, including type. Seronegative medical school students were randomly vaccinated with Havrix or Epaxal. Based total serum anti-HAV antibody titer cutoff 20...

Abstract This study aimed to investigate the association between suicide ideation and health-related behaviors preventive health service use behaviors. We used data from 2017 Korea National Health Nutrition Examination Survey (KNHANES), a nationally representative survey. The final sample included 4486 participants aged 40 years or older. Preventive were assessed for smoking, high-risk drinking, physical activities, regular meal intake, influenza vaccination, general examination, cancer...

* BACKGROUND AND OBJECTIVE: Improvements in care of low birth weight preterm infants has led to an increased survival this population. It is not known whether the improved decreased prevalence retinopathy prematurity (ROP), or even smaller prevalence. The purpose study was determine ROP inner-city hospital during two time periods changing. PATIENTS METHODS: frequency and characteristics were compared between a 10-month observation period 1995-1996 published data from similar 1988-1989....

Despite the distinctly high risk of suicide among patients with psychiatric disorders, little is known regarding nationwide rates and factors for individual subgroups disorders. This study aimed to assess differences in identify across multiple diseases using data from a nationally representative cohort Korea.

Magnitudes of health inequalities present consequences socioeconomic impact on each problem. To provide knowledge the size problems in terms burden, we examined magnitudes and patterns across 12 problems. A total 17,292 participants older than 30 years were drawn from Korea National Health Nutrition Examination Survey (KNHANES, 2010–2012). The age-adjusted prevalence ratios compared positions (SEPs) based income, education, occupation. varied and, general, similar among groups (i.e.,...