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Volume 36(1); February 2003
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Review
A Review Study for Developing Health Profiles to Measure the Self-Perceived Health Stati of Koreans.
Jin Ho Chun, Jin Sun Yang
Korean J Prev Med. 2003;36(1):1-10.
  • 7,584 View
  • 39 Download
AbstractAbstract PDF
Valid evaluation of self-perceived health status is important for the promotion of individual health and quality of life. In advanced countries, many types of health profile have been developed, and currently, the SF-36, NHP, and EuroQol, etc, are widely used. However, the outcomes of these profiles may vary according to regional, cultural or emotional backgrounds. For these reasons a Korean Health Profile should be developed. In this study, we reviewed the concept of self-perceived health status, and its significance to public health, and reviewed some of the differences between the available profiles in 139 related publications. Based on this review, we are trying to develop a Korean Health Profile in order to measure the self-perceived health stati of Koreans.
Summary
Original Articles
A Trial for Development of Health Profile (KHP 1.0) to Measure the Self-Perceived Health Status of Korean.
Jin Seon Yang, Jin Ho Chun
Korean J Prev Med. 2003;36(1):11-23.
  • 18,161 View
  • 38 Download
AbstractAbstract PDF
OBJECTIVES
The 1990s has seen advances in the conceptualization of self-perceived health status which has important roles for individual health and the quality of life. Many types of standardized questionnaires have been developed with the current wide use of SF-36, NHP, andEuroQol. However, the outcomes of these tools may be different with regard to regional, cultural and emotional backgrounds. The purpose of this study was to trial the development of a Korean Health Profile (KHP 1.0) to measure the self-perceived health stati of Koreans. METHODS: The KHP 1.0 was designed on the basis of the Medical Outcome Study Form 36 (SF-36), the Nottingham Health Profile (NHP), and the EuroQOL. It was composed of 9 scales; physical functioning, role limitation-physical, pain, general health, energy, social isolation, sleep, role limitation-emotional, and emotional health. Self-reported chronic disease conditions, and the Zung's Self-Rating Depression Scale (SDS), were also checked for the evaluation of clinical validity. This study was conducted, from December 2000 to January 2001, on 800 middle-aged parents, with four high school students, with 100 retest sets being conducted two weeks later. From the 800 subjects there were 588 complete responses (effective response 73.5%). The reliability of the test-retest results, and the factor analysis on the validity of the KHP 1.0 components, were evaluated using the SPSS (ver 10.0) software. RESULTS: The reliability of the KHP 1.0 was good with Cronbach's alpha (> 0.6), test-retest correlation coefficients (> 0.5), but with no significant differences from the paired t-test. From the psychometric validity tests, the 9 scales of the KHP 1.0 were divided into two components; physical and mental, and trimmed to the established model with 55% of the total variance, with the exception of role limitation-emotional. The clinical validity on the basis of the comparison for the four characteristic groups; healthy, physical conditions only, mental conditions only, and physical and mental conditions were also good. CONCLUSIONS: The KHP 1.0 appears to be a valid measurement tool of self-perceived health stati of Koreans, although there are limitations, i.e. sample size was too small, a limited number of middle-aged subjects, and it was based on unconfirmed diagnoses, etc. Therefore, further study is required to standardize the assessment.
Summary
The Association between the Psychosocial Well-being Status and Adverse Lipid Profiles in a Rural Korean Community.
Chang Hoon Kim, Myoung Hee Kim, Sung Il Cho, Jung Hyun Nam, Bo Youl Choi
Korean J Prev Med. 2003;36(1):24-32.
  • 8,470 View
  • 21 Download
AbstractAbstract PDF
OBJECTIVES
To identify the psychosocial well-being status in a rural community, and examine the association between the psychosocial well-being status and adverse lipid profile. METHOD: In 2001, we surveyed 575 subjects in Yangpyoung, Kyounggido, including medical examination, fasting-blood sample and questionnaires for the psychosocial well-being status, socioeconomic position and behavioral risk factors. The logistic regression analysis was used to examine explanatory factors of the psychosocial well-being status, and association between the psychosocial well-being status and adverse lipid profiles. RESULT: The association between the psychosocial well-being status and adverse lipid profiles was not strong. The total cholesterol and triglyceridelevels were associated with psychosocial well-being. The adjusted odds ratio for moderate psychosocial well-being relating to total cholesterol was 1.90 (95%CI, 0.82-4.04), but that for triglyceride was 0.65 (95%CI, 0.36-1.21). The HDL-Cholesterol and LDL-Cholesterol level were not associated with the psychosocial well-being status. CONCLUSION: The total cholesterol and psychosocial well-being status were weakly associated, but the between the psychosocial well-being status and adverse lipid profiles were not consistent.
Summary
Comparing Difference of Volume of Psychiatric Treatments between the Patient with Health Insurance and Those with Medical Assistance: For Inpatients of Korean Psychiatric Hospitals.
Dae Hee Lee, Eun Cheol Park, Chung Mo Nam, Sang Gyu Lee, Dong Han Lee, Seung Hum Yu
Korean J Prev Med. 2003;36(1):33-38.
  • 2,223 View
  • 28 Download
AbstractAbstract PDF
OBJECTIVES
To assess the difference in the volume of psychiatric treatments provided to health insurance inpatients, compared with those on medical assistance (the medical aid program) Korean psychiatric hospitals, and to determine factors which affect the volume of the services. METHODS: 21 psychiatrists, from 3 Korean psychiatric hospitals recorded the frequencies psychiatric treatments provided to inpatients in one week (February18-24, 2002). The records of 329 patients were analyzed through t-tests, and random effectmixed model analyses to define the difference between the two groups, and to find other factors affecting the volume of service. RESULTS: A significant difference in the volume of psychiatric treatments provided was observed between the health insurance and medical assistance groups. The variation in the volume of service between hospitals was prominent, and other factors (gender, agegroup, length of stay and mental disorder) were also found to be significant. The patients on medical assistance received only 70% of the psychiatric treatments of those on health insurance. CONCLUSIONS: More effort is required to improve the methods of payment to increase the level of fee scheduling for medical assistance. Further studies on the mechanisms causing these differences in the volume of service are required.
Summary
Clinical Trial
The Current Status of Utilization and Demand on Cancer Information in the Faculties of Medical School in Korea.
Min Kyung Lim, Sook Kyung Park, Jeong Hee Yang, Young Sung Lee
Korean J Prev Med. 2003;36(1):39-46.
  • 2,072 View
  • 24 Download
AbstractAbstract PDF
OBJECTIVES
To investigate the availability and demand for overall cancer-related information, and to establish a basic plan for the construction of a cancer database and information system based on the research results from Korea. METHODS: Postal and telephone surveys were carried out, between August 2001 and November 2001, of 323 affiliated faculty professors from medical universities and colleges in Korea. The data were analyzed with descriptive statistical methods, with regard to the present status and demand for health and cancer-related information. RESULTS: Most (over 80%) subjects studied utilized the health-related information provided on Internet website from foreign countries, such as Medline, but similar comprehensive information system lacked in Korea. The construction of a cancer-related database of domestic research results was revealed to be in a great demand. Information on registration and statistics (52.8%), study results (48.5%) and study resources (37.4%) were the major ingredients required in the database. In constructing a database of the cancer-related research results, a full-text service, continuous updating of data, and the development of standardized user-friendly searching tool were regarded as the necessary components. The formulation of an information sharing system, regarding cancer-related clinical trials, was investigated as being quite feasible. CONCLUSION: This study demonstrated the great importance of cancer information systems, and much demand for an available cancer-related database based on Korean research results.
Summary
Original Articles
Associations between Air Pollution and Asthma-related Hospital Admissions in Children in Seoul, Korea: A Case-crossover Study.
Jong Tae Lee
Korean J Prev Med. 2003;36(1):47-53.
  • 2,597 View
  • 56 Download
AbstractAbstract PDF
OBJECTIVES
I used a case-crossover design to investigate the association between air pollution, and hospital admissions for asthmatic children under the age of 15 years in Seoul, Korea METHODS: I estimated the changes in the levels of hospitalization risk from theinterquartile (IQR) increase in each pollutant concentrations, using conditional logistic regression analyses, with controls for weather information. RESULTS: Using bidirectional control sampling, the results from a conditional logistic regression model, with controls for weather conditions, showed the estimated relative risk of hospitalization for asthma among children to be 1.04 (95% confidence interval (CI), 1.01-1.08) for particulate matter with an aerodynamic diameter less than or equal to 10m (IQR=40.4ug/m3) ; 1.05 (95% CI, 1.00-1.09) for nitrogen dioxide (IQR=14.6ppb) ; 1.02 (95% CI, 0.97-1.06) for sulfur dioxide (IQR=4.4ppb) ; 1.03 (95% CI, 0.99-1.08) for ozone (IQR=21.7ppb) ; and 1.03 (95% CI, 0.99-1.08) for carbon monoxide (IQR=1.0ppm). CONCLUSIONS: This empirical analysis indicates the bidirectional control sampling methods, by design, would successfully control the confounding factors due to the long-term time trends of air pollution. These findings also support the hypothesis that air pollution, at levels below the current ambient air quality standards of Korea, is harmful to sensitive subjects, such as asthmatic children.
Summary
Social Support and Self-rated Health Status in a Low Income Neighborhood of Seoul, Korea.
Min Kyoung Lim, Myoung Hee Kim, Young Jeon Shin, Weon Seob Yoo, Bong Min Yang
Korean J Prev Med. 2003;36(1):54-62.
  • 3,011 View
  • 162 Download
AbstractAbstract PDF
OBJECTIVES
To assess the distribution of social support, and explore its effects on self-rated health status in a low income neighborhood of Seoul, Korea. METHODS: In September 2001 we conducted a survey in a low income neighborhood of Seoul, Korea, in which 862 residents, aged 18 years or over, participated. We measured the general sociodemographic characteristics, self-rated health status and social support with the instrument developed from Korean translation of the Medical Outcomes Study Social Support Survey (MOS-SSS) scale of the US. Logistic regression was used to identify the determinants of social support, and explore its effects on self-rated health status. RESULTS: Lower social class, women or divorced people had much less social support compared to higher social class, men or those never married, respectively. Those families on much lower income also received less social support. Social support has a positive impact on the self-rated health status, which remains statistically significant even when other relevant variables are adjusted. CONCLUSIONS: This study suggests that social support has an important role in health, and the socially disadvantaged have lower social support. Therefore, to improve the health status of the poor, it is necessary to encourage community participation, and develop strategies that could strengthen their provision of social support.
Summary
Prevalence Rate of Cognitive Impairment and Dementia Among the Elderly in Busan.
Jung Soon Kim, Su Ill Lee, Ihn Sook Jeong, Young In Chung, In Kyung Hwang, Bong Sook Yih, Min Jeong Kim, Eu Soo Cho, Jin Ho Chun
Korean J Prev Med. 2003;36(1):63-70.
  • 2,156 View
  • 21 Download
AbstractAbstract PDF
OBJECTIVES
To investigate the prevalence of cognitive impairment and dementia in elderly people, aged 65 or above, residing in Busan Metropolitan City. METHODS: Total of 1, 101 old people, aged 65 or above, living in Busan as of December 31, 2001 were selected using stratified three-stage cluster sampling. Cognitive impairment was determined from the MMSE-K score, and dementia confirmed from five psychometric measures and the Barthel index. The crude prevalence, sex-age adjusted for the Korean population, were obtained. RESULTS: With the cut-off point for cognitive impairment was set at 24 points, or below, on the MMSE-K scale, the crude rate of cognitive impairment was 29.3% (15.7% for men and 37.5% for women), and the sex-age adjusted prevalence was 30.5% (17.5% for men and 37.0% for women). When the cut-off point for cognitive impairment was set at 20 points, or below, on the MMSE-K scale, the crude rate of cognitive impairments were 10.0% (4.1% for men and 13.5% for women), and 10.6% (4.7% for men and 13.1% for women), respectively. The crude dementia, and the sex-age adjusted rates were 7.4% (2.4% for men and 10.5% for women), and 8.0% (2.7% for men and 10.0% for women), respectively. CONCLUSIONS: The prevalence of dementia in this study was somewhat lower than that reported by other domestic and foreign studies. Our results related to the difference in time and space, diagnostic tools, response rates, and distribution of male and female subjects, etc.
Summary
The Impact of New Work Organizational System on Job Strain, and Psychosocial Distress.
Sang Baek Koh, Sei Jin Chang, Byeong Hwan Sun, Dong Muk Kang, Mia Son, Jong Ku Park, Bong Suk Cha
Korean J Prev Med. 2003;36(1):71-76.
  • 15,728 View
  • 26 Download
AbstractAbstract PDF
OBJECTIVES
New organizational work systems, and their impact on the mental health of employees, are considered to beone of the most important topics in the area of industrial health. This study was conducted to compare job characteristics (job demand and decision latitude) levels, and psychosocial distress of workers in acompany introducing to new organizational work systems, to those of workers managed by traditional work systems. METHODS: A study sample of 627 shipbuilding workers (446the new work organizational system and 181the traditional system) were recruited for this study. A structured-questionnaire was used to assess general characteristics, job characteristics (work demand, decision latitude), and psychosocial distress. RESULTS: The decision latitude was not significantly higher in the new work system compared to the traditional system. However, the job demand was significantly higher in the new work system than in the traditional system. The psychosocial distress was higher within the new work system than the traditional system, but no significant relationships were found. The proportion of increased strain was significantly greater with the new system than the traditional system. CONCLUSION: These results suggest that increases in the decision latitude did not sufficiently compensate for higher job strain or increased work intensity. If the increase in the decision latitude was temporary, with the typical job demand remaining high, such work can be still be considered to have a job strain. Future research should consider psychosocial distress and fatigue as important problems caused by new work organizational systems, and should be performed to assess their impact through out industry.
Summary
Cause of Enterohemorrhagic Escherichia coli Infection in Ulju County, Korea.
Geun Ryang Bae, Sang Won Lee, Byung Guk Yang, Bok Kwon Lee, Jae Gu Park, Byeong Hun Hwang, Hyun Sul Lim
Korean J Prev Med. 2003;36(1):77-84.
  • 2,137 View
  • 21 Download
AbstractAbstract PDF
OBJECTIVES
Two related cases of Hemolytic-Uremic Syndrome (HUS) were reported to the Korea National Institute of Health in May, 2001. Shiga toxin 2 genes were detected in both stool samples. We suspected an enterohemorrhagic Escherichia coli (EHEC) infection as the cause of the HUS, and conducted an investigation to find the source of the infection and its route of transmission. METHODS: We performed case investigations on these two related HUS cases, and obtained interviews and rectal swabs form the family members and other close contacts. Additionally, we performed rectal swabs on the cattle raised by the household of the index patient. RESULTS: We found a 20 month old index patient and a 6 year-old cousin had developed HUS, where there had been a 2 day history of contact with the index, and bacteriological examinations for these two patients revealed, indistinguishably, the same E. coli O171. The grandmother of the index patient was found to be asymptomatic, but E. coli O26 was isolated. We also found a probable case in the mother of the cousin. She reported a history of contact with the index, and developed bloody diarrhea of 3 days duration. The test results for the cattle revealed E. coli O26 in one cow, and E. coli O26 and O55 in another. E. coli O26, which was isolated in both cows and the grandmother of the index, were indistinguishably the same. CONCLUSIONS: We found that the E. coli O26 in the grandmother had originated from the cows, and that the E. coli O171 found in the index patient had been transmitted to the cousin through person-to-person contact.
Summary
A Study for Effects of Economic Growth Rate and Unemployment Rate to Suicide Rate in Korea.
Jong Soon Park, June Young Lee, Soon Duck Kim
Korean J Prev Med. 2003;36(1):85-91.
  • 6,373 View
  • 295 Download
AbstractAbstract PDF
OBJECTIVES
We investigated the effects of the economic growth and unemployment rates on the suicide rate in Korea, between 1983 and 2000, using a time-series regression model. The purpose of this study was to model and test the magnitude of the rate of suicide, with the Korean unemployment rate and GDP. METHODS: Using suicide rate per 100, 000 Koreans and the unemployment rates between 1983 and 2000, as published by the Korea National Statistical Office, and the rate of fluctuation of the Korean GDP (Gross Domestic Product), as provided by the Bank of Korea, as an index of the economic growth rate, a time-series regression analysis, with a first-order autoregressive regression model, was performed. RESULTS: An 81.5% of the variability in the suicide rate was explained by GDP, and 82.6% of that was explained by the unemployment rate. It was also observed that the GDP negatively correlated with the suicide rate, while the unemployment and suicide rates were positively correlated. For subjects aged over 20, both the GDP and unemployment rate were found to be a significant factors in explaining suicide rates, with coefficients of determination of 86.5 and 87.9%, respectively. For subjects aged under 20, however, only the GDP was found to be a significant factor in explaning suicide rates (the coeficient of determination is 38.4%). CONCLUSION: It was found that the suicide rate was closely related to the National's economic status of Korea, which is similar to the results found in studies in other countries. We expected, therefore, that this study could be used as the basis for further suicide-related studies.
Summary

JPMPH : Journal of Preventive Medicine and Public Health