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Jae Yong Kim 3 Articles
A Study on the Seropositivity of HBsAg among Biennial Health Examinees: A Nation-wide Multicenter Survey.
Dae Sung Kim, Young Sik Kim, Jae Yong Kim, Yoon Ok Ahn
Korean J Prev Med. 2002;35(2):129-135.
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AbstractAbstract PDF
OBJECTIVE
The primary objective of this study was to estimate the prevalence of HBsAg-positives in the late 1990's among Korean adults. In addition, we evaluated the association of age, a residential area, a vaccination rate, a family history of chronic liver diseases and a past history of acute liver disease with the seropositivity of HBsAg, and estimated the prevalence of chronic HBV infection by follow-up for 6 month or more. METHODS: A total of 10 areas, six metropolitan and four small cities, were selected. In each cities, one health screening center was selected for recruitment of study subjects. The study subjects were enrolled from a general health examination program that is provided by medical insurance companies. Questionnaires on various risk factors were administered to the study subjects. Sera was drawn and tested for HBsAg by radioimmunoassay. HBeAg and ALT were also tested for those of HBsAg positive. The HBsAg positives was retest for HBsAg 6 months later. RESULTS: Among the study subjects (n= 1816), the seroprevalence of HBsAg was 5.5% (95% CI= 4.5%-6.6%), 7.4% in men (95% CI= 5.8-9.4) and 3.6% in women (95% CI= 2.5-5.0). A past history of acute liver disease and a family history of chronic liver diseases was shown to be risk factors for HBsAg positivity. Among the 31 HBsAg-positives, negative seroconversion rate was estimated to be 3.2 %, Thus, prevalence of chronic HBV infection was estimated to be 5.3% (95% CI= 3.7-6.6). CONCLUSION: In this study, the HBsAg seroprevalence rate was lower than that of the other studies in 1980's, particularly in young adult and women. Considering the public health importance of liver cancer and chronic liver diseases, the further effort is needed to prevent and reduce the HBV infection.
Summary
Health Effects from Odor Pollution in Sihwa Industrial Complex.
Soo Hun Cho, Seong Woo Choi, Sun Mean Kim, Young Su Ju, Jae Yong Kim
Korean J Prev Med. 1999;32(4):473-481.
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AbstractAbstract PDF
OBJECTIVES
In recent days, the problem of odor pollution in community near Sihwa Industrial complex, Kynuggi Province is becoming of significant public concern. We have investigated the health effects of the Sihwa residents from odor pollution comparing with other less polluted areas. METHODS: The Ansan and Kuri Cities were selected as control areas. The parents of the elementary and middle school students in these three areas were surveyed with structured questionnaire twice, Nov 1997 and June 1998 each. As a exposure index, the ambient air concentrations of five major air pollutants(particulates, O3, SO2, NO2, CO) and subjective odor perception were used. We have focused health outcomes such as the prevalence of nonspecific irritant symptoms, respiratory disease among family members and the score of quality of life(QOL). RESULTS: Although the mean concentrations of major air pollutants except particulates were similar or lower in Sihwa than other areas, the odor perception rate and the monthly odor perception days were significantly higher. It suggested that odor producing chemical compounds are the major source of environmental pollution problem. There were higher prevalence rates of nonspecific irritant symptoms and respiratory disease among family members in Sihwa than other control areas. The QOL score was also lower in Sihwa. The odor perception proved to be a most important factor in reporting adverse health effects and lowering the QOL score. CONCLUSION: The residents living near Sihwa industrial complex were suffering from more adverse health symptoms and poorer QOL status than control areas. And it may be due to environmental odor pollution from industrial complex. Therefore, further research will be needed for monitoring of the responsible chemicals emitted from industries.
Summary
Reliability and Validity of the Korean Version of ISAAC Questionnaire.
Seong Woo Choi, Yeong Su Ju, Dae Sung Kim, Jae Yong Kim, Ho Jang Kwon, Dae Hee Kang, Sang Il Lee, Soo Hun Cho
Korean J Prev Med. 1998;31(3):361-371.
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AbstractAbstract PDF
Recent increases of asthma and allergies in childhood made the need for a standardized approach to international and regional comparisons of their prevalence and severity. To address these issues, "International Study of Asthma and Allergies in Childhood (ISAAC)" is currently underway. In Korea, "Nationwide Study of Asthma and Allergies in Korean Children" began in 1995 according to ISAAC protocol. ISAAC written and video questionnaires were used in this survey, but their reliability and validity were not evaluated properly yet. In this study, our aim was to evaluate the reliability and validity of two kinds of questionnaires and their usefulness in international and regional comparisons. The test and retest of two questionnaires were completed by male(n=110) and female(n=111) middle school students with two and three weeks interval each. Kappa(or weighted kappa) were calculated from each questions and validity coefficients were estimated from those statistics. In Korean version of written questionnaire, the questions for allergic rhinitis, atopic dermatitis, allergic conjunctivitis, and food allergy proved to have high kappa values(or weighted kappa values) and validity coefficients and they can be used in further studies without any correction. But some questions about asthma(especially nocturnal cough, wheezing in exercise, and severe asthma) and drug allergy need to be revised for better understanding to study subjects. Video questionnaire has the same degree of reliability and validity when compared to written questionnaire and this is the unexpected result. Accordingly, it also need to be revised to overcome the racial and cultural differences of the study subjects. In conclusion, the Korean version of written and video questionnaires may be considered to be useful methods in international and regional comparisons of asthma and allergic diseases in childhood after correction of some questions.
Summary

JPMPH : Journal of Preventive Medicine and Public Health