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Authors Response

February 23, 2018


Epidemiologic characteristics of scrub typhus on Jeju Island
Sung Uk Lee
Epidemiol Health. 2017;39:e2017060r.

Letter to the Editor

December 26, 2017


Epidemiological characteristics of scrub typhus on the Jeju Island
Jong-Myon Bae
Epidemiol Health. 2017;39:e2017060.

Data profile

December 26, 2017


The current status of health data of Korean children and adolescents
Eunyoung Lee, Dahye Baik, Yoon Park, Moran Ki
Epidemiol Health. 2017;39:e2017059.

Original Article

December 25, 2017


Experience of 16 years and its associated challenges in the Field Epidemiology Training Program in Korea
Moo-Sik Lee, Eun-Young Kim, Sang-Won Lee
Epidemiol Health. 2017;39:e2017058.

Original Article

December 11, 2017


Factors affecting satisfaction with cancer information provided through the social networking services of the National Cancer Information Center in Korea
Su Yeon Kye, Min Hee Lee, Jisu Yoo, Kyung Hee Oh, Jae Kwan Jun
Epidemiol Health. 2017;39:e2017057.

Current Issue
Volume 39; 2017
Authors Response Epidemiologic characteristics of scrub typhus on Jeju Island
Sung Uk Lee Epidemiol Health. 2017;39:e2017060r.
  • View article
Letter to the Editor Epidemiological characteristics of scrub typhus on the Jeju Island
Jong-Myon Bae Epidemiol Health. 2017;39:e2017060.
  • View article
  • Supplementary data
Abstract
Abstract
Data profile The current status of health data of Korean children and adolescents
Eunyoung Lee, Dahye Baik, Yoon Park, Moran Ki Epidemiol Health. 2017;39:e2017059.
  • Abstract
  • View article
Original Article Experience of 16 years and its associated challenges in the Field Epidemiology Training Program in Korea
Moo-Sik Lee, Eun-Young Kim, Sang-Won Lee Epidemiol Health. 2017;39:e2017058.
  • Abstract
  • View article
  • Korean summary
  • Supplementary data
Abstract
The time of being child and adolescent is critical point to affect health status as an adult. Therefore, it is needed to analyze different factors which influence on the health of children and adolescents. In Korea, youth-related health data are broadly obtained not only in regional level but also in national level. This report summarized current status of studies related with Korean children and adolescents’ health. Data which offers open access include Korea Youth Risk Behavior Web-based Study, Korean Youth Panel Survey, Korean Children and Youth Panel Survey, and Student Health Examination. Besides this, Health Examination of Korean Youth outside of School, Korean Children & Adolescents Obesity Cohort Study, Korean Children’s Environmental health study, Korea Youth Media Use and Harmful Environment Survey, Comprehensive Survey of Korean Youth, and Multicultural Adolescents Panel Study were summarized.
Abstract
OBJECTIVES:
The field epidemiologist system of South Korea, which employs public health doctors who are relatively more readily available, was created in 1999 to ensure a ready supply of experts for epidemiological investigations and enable an effective response for new and reemerging infectious diseases. However, the 2015 outbreak of Middle East Respiratory Syndrome revealed limitations in the existing systems of management of field epidemiologists and communicable diseases.
METHODS:
The present study aims to evaluate data on current states, administrative reports, and other literature on the field epidemiologist system that has been in place in South Korea for 16 years since 1999 and to suggest appropriate future improvements in this system.
RESULTS:
By suggesting methods to evaluate the field epidemiologist system and training programs and by suggesting ways for the Korea Centers for Disease Control and Prevention to conduct evaluations on its own, the present study provides supporting evidence for improvement of systems for training of experts in epidemiological investigations. Moreover, based on the findings, this study also suggests methods to systematically train experts in communicable diseases management and a sustainable system to establish the basis of and develop strategies for a systematic and phased management of field epidemiologist training programs.
CONCLUSIONS:
The present study suggests the possibility of establishing dedicated training facilities, revising the guidelines on training and improvement of the competency of public health experts, while not limiting the scope of application to communicable diseases.
Original Article Factors affecting satisfaction with cancer information provided through the social networking services of the National Cancer Information Center in Korea
Su Yeon Kye, Min Hee Lee, Jisu Yoo, Kyung Hee Oh, et al. Epidemiol Health. 2017;39:e2017057.
  • Abstract
  • View article
  • Korean summary
Methods The unrealized potential: cohort effects and age-period-cohort analysis
Jongho Heo, Sun-Young Jeon, Chang-Mo Oh, Jongnam Hwang, et al. Epidemiol Health. 2017;39:e2017056.
  • Abstract
  • View article
  • Korean summary
  • Supplementary data
Abstract
OBJECTIVES:
This study aimed to identify the characteristics of social networking service (SNS) users and to assess the relationship of those factors to user satisfaction with the SNSs of the National Cancer Information Center (NCIC) in South Korea.
METHODS:
A Web-based survey was completed by 1,670 users of the NCIC SNSs, who provided data on the sources they consulted for information about cancer, determinants of SNS use, sources of NCIC SNS awareness, the time of day they used the SNS, and their satisfaction level.
RESULTS:
Facebook users mainly became aware of the NCIC SNSs through an acquaintance’s recommendation, while Twitter was accessed through other SNSs or blogs. Users in their 30s were less satisfied with the NCIC SNSs than those in their teens and 20s. Browsing for cancer-related information on the Internet, prioritizing information quality, and engaging in active use were related to a high level of satisfaction with the NCIC SNSs. Individuals who were exposed to the NCIC SNSs through other SNSs or printed materials were less satisfied with their experience of the NCIC SNSs than those who received a recommendation from an acquaintance.
CONCLUSIONS:
These findings may act as a catalyst to guide public health agencies to enhance their use of SNSs.
Abstract
This study aims to provide a systematical introduction of age-period-cohort (APC) analysis to South Korean readers who are unfamiliar with this method (we provide an extended version of this study in Korean). As health data in South Korea has substantially accumulated, population-level studies that explore long-term trends of health status and health inequalities and identify macrosocial determinants of the trends are needed. Analyzing long-term trends requires to discern independent effects of age, period, and cohort using APC analysis. Most existing health and aging literature have used cross-sectional or short-term available panel data to identify age or period effects ignoring cohort effects. This under-use of APC analysis may be attributed to the identification (ID) problem caused by the perfect linear dependency across age, period, and cohort. This study explores recently developed three APC models to address the ID problem and adequately estimate the effects of A-P-C: intrinsic estimator-APC models for tabular age by period data; hierarchical cross-classified random effects models for repeated cross-sectional data; and hierarchical APC-growth curve models for accelerated longitudinal panel data. An analytic exemplar for each model was provided. APC analysis may contribute to identifying biological, historical, and socioeconomic determinants in long-term trends of health status and health inequalities as well as examining Korean’s aging trajectories and temporal trends of period and cohort effects. For designing effective health policies that improve Korean population’s health and reduce health inequalities, it is essential to understand independent effects of the three temporal factors by using the innovative APC models.

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