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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.

Methods

December 5, 2017


The unrealized potential: cohort effects and age-period-cohort analysis
Jongho Heo, Sun-Young Jeon, Chang-Mo Oh, Jongnam Hwang, Juhwan Oh, Youngtae Cho
Epidemiol Health. 2017;39:e2017056.

Current Issue
Volume 39; 2017
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
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
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
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  • Korean summary
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.
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.
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
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  • Korean summary
  • Supplementary data
Original Article Prevalence of goiter and associated factors among schoolchildren in northeast Ethiopia
Emebet Tigabu, Kindie Bantie Bekele, Berihun Assefa Dachew Epidemiol Health. 2017;39:e2017055.
  • Abstract
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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.
Abstract
OBJECTIVES:
Goiter is a major public health problem, especially in developing countries such as Ethiopia. Hence, this study aimed to assess the prevalence and associated factors of goiter among children in Waghimra Zone, northeast Ethiopia.
METHODS:
A cross-sectional study was conducted from April 8 to 25, 2015 in northeast Ethiopia. A multistage sampling method was used to select 454 schoolchildren. Data were collected using a pre-tested structured interviewer-administered questionnaire. Children were examined for the presence or absence of goiter based on the criteria of the United Nations Children’s Fund, International Council for the Control of Iodine Deficiency, and the World Health Organization. Salt samples from children’s homes were tested for iodine levels using a rapid iodized salt test kit. Data were entered into EpiInfo version 7 and exported to SPSS version 20 for analysis. Bivariate and multivariate logistic regression models were fitted, and adjusted odds ratio (aOR) with 95% confidence interval (CI) were computed to determine the level of significance.
RESULTS:
The prevalence of goiter was 62.1% (95% CI, 57.5 to 66.5%). Being female (aOR, 3.09; 95% CI, 1.57 to 6.08), having a family history of goiter (aOR, 5.18; 95% CI, 2.43 to 11.03), and using non-iodized salt (aOR, 2.20; 95% CI, 1.12 to 4.38) were factors associated with goiter among schoolchildren.
CONCLUSIONS:
The prevalence of goiter was high. Being female and having a family history of goiter increased the risk of goiter in children, but using iodized salt was protective. Therefore, we recommend ensuring universal access to iodized salt and increasing the awareness of the community of the importance of iodized salt utilization.

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