Annals of Occupational and Environmental Medicine

Volume 23 (2); June 2011

Case Report

Hydrofluoric Acid Burns: A Case Report: Jieun Lee, Byung Seong Suh, Chanho Jo, Won Cheol Lee; Korean Journal of Occupational and Environmental Medicine 2011;23(2):225-233. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.225

BACKGROUND
Hydrofluoric acid_(HF) is widely used in many industrial and domestic settings such as etching glass, and polishing metals. HF is one of the most corrosive inorganic acids and can produce progressive and serious tissue necrosis with severe pain. Since HF chemical burns can be asymptomatic for the first few hours, it is crucial to understand its toxicity and the early use of antidote.
CASE
A 37-year-old man presented with erythematous lesion and pain on his face, anterior neck, both forearms, both thighs, and left ankle after injury resulting from a chemical burn caused by HF. He showed normal vital signs and dyspnea, but complained of a sore throat. Liquid form of HF had splashed on his face and anterior neck first and run down his forearms and thighs while working at HF supply tanks. Some of the HF was splashed into his mouth. He immediately removed his clothes and showered with abundant water. A 4.5% calcium gluconate jel was applied to the involved area. He was given subcutaneous injection of 10% calcium gluconate solution. During 17 days of admission he didn't show any signs of systemic intoxication or deep tissue defects.
CONCLUSIONS
Immediate cleansing of the affected area with running cold water is the first critical treatment for a chemical burn due to HF. Applying calcium gluconate gel within one hour was very effective for preventing further damage to the injured area as well as systemic injury. In order to reduce the risk of accident and perform first-aid treatment quickly, it is imperative to provide workers with safety education and establish safety facilities.

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Dermal absorption and skin damage following hydrofluoric acid exposure in an ex vivo human skin model
Kathrin Dennerlein, Franklin Kiesewetter, Sonja Kilo, Thomas Jäger, Thomas Göen, Gintautas Korinth, Hans Drexler
Toxicology Letters.2016; 248: 25. CrossRef
Characteristics of composition and surface morphology of soil particles influenced by inorganic acids with different acidity
Dong-Sung Lee, Kyo-suk Lee, Ji-Soo Shin, Jae-Bong Lee, Ri-Na Joo, Myong-Youn Lee, Se-Won Min, Doug-Young Chung
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Original Articles

Job Stress and Self-perceived Fatigue in Korean Farmers: Ki Hyun Lee, Sang Baek Koh, Dongmug Kang, Jin Joo Chung, Hyoung Ryoul Kim, In Ah Kim, Kyung Suk Lee, Sook Jung Hyun, Kang Myoung Lee, Jin Ha Yoon, Sung Kyung Kim, In Jung Cho, Jung Kyu Choi, Sung Soo Oh, Bong Suk Cha, Sei Jin Chang; Korean Journal of Occupational and Environmental Medicine 2011;23(2):213-224. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.213

Abstract PDF

OBJECTIVES
A growing body of research has documented that job stress has a pivotal role in developing adverse health outcomes. However, little is known about the relationship between farmers' job stress and health outcomes. This study was undertaken to identify the relationship between job stress and self-perceived fatigue in Korean farmers.
METHODS
A total of 526 Korean farmers were asked to participate in this study. A self-administered questionnaire was used to assess the participants' general characteristics, job stress and self-perceived fatigue. Job stress was measured using a forty-eight item Farm Stressor Inventory (FSI), and the self-perceived fatigue was estimated by Multidimensional Fatigue Scale (MFS). Binary logistic regression analysis was conducted to examine the relationship between job stress and self-perceived fatigue.
RESULTS
The result showed that job stress was associated with self-perceived fatigue. For the farmers with high job stress, the risk of self-perceived fatigue was more likely to increase compared to those with low job stress. For males, labor intensity (OR, 3.88; 95% CI, 1.91~7.89), job environment (OR, 2.45; 95% CI, 1.22~4.93), social support (OR, 2.10; 95% CI, 1.07~4.13), social isolation (OR, 2.45; 95% CI, 1.15~5.60), financial problems (OR, 3.25; 95% CI, 1.53~6.91), uncertainty (OR, 2.48; 95% CI, 1.30~4.75) and health problems (OR, 5.77; 95% CI, 2.46~13.53) were associated with self-perceived fatigue. For females, job environment (OR, 2.23; 95% CI, 1.22~4.08), social isolation (OR, 2.08; 95% CI, 1.05-4.15), physical environment & weather condition (OR, 2.61; 95% CI, 1.33~5.12), financial problems (OR, 2.87; 95% CI, 1.55~5.32), uncertainty (OR, 3.65; 95% CI, 1.95~6.83) and health problems (OR, 3.38; 95% CI, 1.57~7.27) were associated with self-perceived fatigue.
CONCLUSIONS
This result suggests that farmers' job stress plays a role in the development of fatigue, and job stressors related to fatigue are slightly different according to gender.

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Examining the Relationship between Exercise and Psychological Stress among the Rural Population
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The Effects of Job Characteristics on Smoking and Mediating Effects of Job Stress among Older Workers
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Work-related hazards among farmers
Soon Chan Kwon, Soo-Jin Lee, Mihye Jeong
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The Relation Between the Occupational Stress and Fatigue Level of Neonatal Nurses
Eun-A Park, Jeong-Eon Park
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Medical Professionalism of Occupational and Environmental Physicians in Korea: Seung Hwan Shin, Jong Tae Lee, Min Kim, Jeong Ho Kim, Dae Hwan Kim, Byung Chul Son, Chae Kwan Lee, Chun Huii Suh, Shin Ik Kang; Korean Journal of Occupational and Environmental Medicine 2011;23(2):203-212. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.203

Abstract PDF

OBJECTIVES
This study evaluated cognition, core values and attributes of medical professionalism in occupational and environmental physicians, and was conducted to have basic data for suggesting proper role models of occupational and environmental physicians.
METHODS
Perceptions of reality and the priority of professionalism virtues in occupational and environmental medicine were evaluated by using a self-administered questionnaire, completed by 109 occupational and environmental physicians in Korea. The physicians were divided into two sub-groups: the resident group and the board certified specialist group. There are 4 questions about perceptions of reality and survey respondents gave 5-scale scores to each of 10 professionalism virtues in the questionnaire. The statistical significance of the perception difference between two groups was given by a cross tabulation analysis. Priority difference between each 10 professionalism virtue between the two groups was analyzed through Student T-test by using the SPSS 17.0K program. Afterwards, the type of medical professionalism in occupational and environmental medicine was analyzed based on the results of the questionnaire.
RESULTS
This study provided us with the information that specialists had more optimistic views about reality of occupational and environmental medicine than residents. 10 virtues of medical professionalism were listed in the order of priority, highest to lowest. Occupational and environmental physicians valued 'technical competence', 'professional dominance', and 'morality', but 'altruism' had the lowest score.
CONCLUSIONS
This study demonstrated that the occupational and environmental physicians's type of medical professionalism didn't match any of the seven types of medical professionalism from Castellani & Hafferty, although 'empirical type', 'nostalgic type' were partially similar to the occupational and environmental physician's type of medical professionalism. This is assumed because the occupational and environmental medicine field is different from other clinical medicine in terms of the physician's role. Further studies and discussions are necessary for establishing a suitable model of medical professionalism for occupational and environmental physicians.

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Perception of and attitude toward ethical issues among Korean occupational physicians
Junghye Choi, Chunhui Suh, Jong-Tae Lee, Segyeong Lee, Chae-Kwan Lee, Gyeong-Jin Lee, Taekjoong Kim, Byung-Chul Son, Jeong-Ho Kim, Kunhyung Kim, Dae Hwan Kim, Ji Young Ryu
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Professional Job Perception and Its Related Factors among Medical Recorders engaged in General Hospitals
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Residency programs and the outlook for occupational and environmental medicine in Korea
Youngil Lee, Jungwon Kim, Yoomi Chae
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Relationship between Occupational Stress-Emotional Labor and Musculoskeletal Symptoms and Experience of Absence or Early Leave in Some Civil Affairs Officials: Sang Kon Yoo, Chang Ki Choi, Han Soo Song, Chul Gab Lee; Korean Journal of Occupational and Environmental Medicine 2011;23(2):192-202. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.192

Abstract PDF

OBJECTIVES
The objectives of this study are to identify the relationship between the Korean occupational stress scale (KOSS) and emotional labor, and to study the association between emotional labor and musculoskeletal symptoms, absence or early leave due to physical problems among civil affairs officials.
METHODS
391 public workers who provide social insurance service were analyzed. A structured self-reported questionnaire was used to assess sociodemographics, job stress, emotional labor, musculoskeletal symptoms and the experience of absence or early leave due to physical problems. For a comprehensive understanding of the relationship among these factors, multiple logistic regression analysis was used.
RESULTS
The Pearson coefficient was 0.409 between the job demand of KOSS and the emotional labor score. The odds ratio of musculoskeletal symptoms is 2.32(95% CI: 1.17~4.61), 2.48(95% CI: 1.15~5.33) in the groups of moderate and, high emotional labor score, respectively, compared to the low score group. On the other hand, the odds ratio of the experience of absence or early leave due to physical problems is 2.43(95% CI: 1.24~4.76) and, 3.08(95% CI: 1.44~6.57) in the same groups.
CONCLUSIONS
Emotional labor acts as a factor of job demand of KOSS, and has an effect on musculoskeletal symptoms and absence or early leave among civil affairs officials.

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Mental health and quality of life in firefighters working on the scene in South Korea: Focus on the capital area and growth promotion area
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Association Between Blood Lead Concentration and Computerized Neurobehavioral Performance in Korean Elementary School Students: Yeon Cheol Kim, Man Joong Jeon, Yun Chul Hong, Chul Gab Lee, Mi Na Ha, Ho Jang Kwon, Joon Sakong; Korean Journal of Occupational and Environmental Medicine 2011;23(2):183-191. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.183

Abstract PDF

OBJECTIVES
This study was conducted to evaluate association between computerized neurobehavioral performance and blood lead concentration in Korean elementary school students.
METHODS
The subjects were 1,077 elementary school students of Seoul, Busan, Daegu and Gwangju. Blood lead concentration was measured and computerized neurobehavioral performance tests were performed.
RESULTS
Blood lead concentration of the subjects was in the range of 0.20 and 7.39 microg/dl. The geometric mean of the subjects' blood lead concentration was 1.41 microg/dl. As blood lead concentration increased, reaction time to the symbol digit tended to increase significantly and linearly. As a result of LOWESS(locally weighted scatterplot smoothing), increasing reaction time to the symbol digit was observed.
CONCLUSIONS
As blood lead concentration under the CDC (center for disease control and prevention) reference value increased, reaction time to the symbol digit tended to increase. But, as the number of subjects over 3 microg/dl is small, it is difficult to make a definite conclusion. If confounding variables are controlled properly in a follow-up study, we can obtain a more definite conclusion.

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Dae-Seon Kim, Seungchul Ahn, Seungdo Yu, Eun-Hee Lee
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Suicide Trend of Standardized Mortality Ratio and Age Standardized Proportion Mortality Ratio According to Occupational Groups in Korea: 1993-2007: Jin Ha Yoon, Ki Hyun Lee, Kyu Yeon Hahn, Sei Jin Chang, Bong Suk Cha, Seong Ho Min, Kyung Suk Lee, Hye Seon Chae, Aeyong Eom, Sang Baek Koh; Korean Journal of Occupational and Environmental Medicine 2011;23(2):173-182. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.173

Abstract PDF

OBJECTIVES
A number of studies on the trends of socioeconomic differences in suicide mortality have indicated that these inequality gaps have widened over time and highlight that certain occupations have more suicide risk than others. However suicide rates according to occupation based socioeconomic position have not been frequently studied in Korea. The purpose of this study is to report trends and inequality of suicide according to occupation based social class during 1993-2007 in Korea and to identify occupations with significantly high standardized mortality ratios (SMRs) and proportional mortality ratios (PMRs) for both men and women.
METHODS
Korean census records for the years 1995, 2000, and 2005 were linked with the cause of death records from Korean National Statistical Office (KNSO) for the periods 1993-1997, 1998-2003, and 2004-2007 respectively. This data was used to calculate age adjusted proportional mortality ratios (PMRs) and standardized mortality ratios (SMRs) for both men and women aged 25~54 years according to five occupation based socioeconomic positions.
RESULTS
Among men, the agricultural-fishery-forestry group had the greatest suicide rate (SMR: 341) with a high PMR (113) and the manual labor group showed the highest PMR (118), while the managers-professional occupation group showed the lowest sPMR (78) and SMR (21). Among women, the agricultural-fishery group had the highest score in SMR (316) and PMR (130), and the technical-artificer group showed the lowest sPMR (71) and SMR (27). The inequality gaps in the suicide mortality rate according to occupation had widened during 1998-2002, but showed a recovery trend plot after 2003.
CONCLUSIONS
Although the occupation based socioeconomic inequalities show a recovery trend after 2003, the excess inequality from suicide remains as high as it was prior to the 2002 year in some occupational groups. The results of the current study indicate that the manual and agricultural-fishery-forestry groups were high risk groups of suicide.

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Jin-Ha Yoon, Pil Kyun Jung, Jaehoon Roh, Hongdeok Seok, Jong-Uk Won, Kenji Hashimoto
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Hongdeok Seok, Jin-Ha Yoon, Wanhyung Lee, June-Hee Lee, Pil Kyun Jung, Inah Kim, Jong-Uk Won, Jaehoon Roh
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Chee Hon Chan, Eric D Caine, Sungeun You, King Wa Fu, Shu Sen Chang, Paul Siu Fai Yip
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Comparison of Cardiovascular Disease Characteristics According to the Employment Status among Emergency Department Patients: Jeong Bae Rhie, Inn Shil Ryu, In Chul Jeong, Yoo Seok Park, Yong Su Lim, Sun Hyu Kim, Jong Uk Won; Korean Journal of Occupational and Environmental Medicine 2011;23(2):164-172. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.164

Abstract PDF

OBJECTIVES
The object of this study was to indentify characteristics of cardiovascular disease in the employed population in comparson with the non-employed group.
METHODS
The study subjects were patients aged 20~65 from 3 university based hospital emergency centers and a structured questionnaire were used for comparing the characteristics of cardiovascular disease according to employment status. Multivariate logistic regression was used to analyze the association between employment status and cardiovascular disease risk factors.
RESULTS
Among the patients, 573 people were employed (482 males, 91 females) and 251 were non-employed (117 males, 134 females). Compared to the non-employed group, the employed group was distinctive in that it contained patients of younger age, had a male dominant gender distribution, and a higher proportion of smoking and drinking patients. The employed group was less likely to be previously-diagnosed with diabetes, hypertension, chronic renal failure, cardiovascular disease, or cerebrovascular disease. The employed group was generally more stressed out but there was no significant differences in sleeping time. Infarction was more frequent in the employed group, but hemorrhage was more frequent in the non-employed group. According to the multivariate logistic regression analysis results, the odds ratio of drinking and stress was 1.89(95% CI: 1.25~2.86) and 2.68(95% CI: 1.80~3.99) respectively.
CONCLUSIONS
Infarction was more frequent in the employed group. Drinking and stress were also more frequent in the employed group. The results of this study don't necessarily mean that stress and drinking are more important than other risk factors but, it means stress and drinking control are more important in the employed group compared to the non-employed group.

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Estimated Occupational Injury Rate and work Related Factors Based on Data From the Fourth Korea National Health and Nutrition Examination Survey: Dal Young Jung, Hwan Cheol Kim, Jong Han Leem, Shin Goo Park, Dong Hoon Lee, Seung Jun Lee, Gee Woong Kim; Korean Journal of Occupational and Environmental Medicine 2011;23(2):149-163. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.149

Abstract PDF

OBJECTIVES
This study used representative national survey data of Korean workers to estimate the occupational injury rate and to identify factors associated with occupational injuries.
METHODS
We analyzed data from the fourth Korea National Health and Nutrition Examination Survey conducted from 2007 to 2009 using the Complex Samples Frequencies procedure of the SPSS to estimate the occupational injury rate. Complex Samples Logistic Regression was performed to calculate a nationally representative odds ratios that reflects the likelihood of specific individual attributes and job characteristics being associated with occupational injuries. We did this while controlling for relevant covariates.
RESULTS
It was estimated that 3.5% of Korean workers have suffered at least one occupational injury and 1.9% of full-time employed workers have suffered occupational injuries which required more than 4 days of absence during the year. After adjustment for confounding variables, the experience of occupational injuries was related to several job characteristics, including exposure to hazards such as: air pollutants (OR=1.40; 95%CI: 1.05~1.85), noise (OR=1.31; 95%CI: 1.01~1.70), biological hazards (OR=1.60; 95%CI: 1.13~2.28), a difficult physical environment (OR=1.79; 95%CI: 1.33~2.41), and difficult ergonomic work (e.g. work involving awkward posture or heavy lifting) (OR=1.49; 95%CI: 1.11~2.00).
CONCLUSIONS
Using national survey data from the Korea National Health and Nutrition Examination Survey to estimate the occupational injury rate and to identify predictors of work-related injuries has several advantages. Futhermore, these results suggest that a hazardous work environment is associated with occupational injury.

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Young-Jun Kwon, Soo-Jin Lee
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The Relationship between Injury and Socioeconomic Status in Reference to the Fourth Korean National Health and Nutrition Examination Survey
Sung-Kyung Kim, Hyocher Kim, Kyungsuk Lee, Hee-Tae Kang, Sung-Soo Oh, Sang Baek Ko
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Estimated rate of agricultural injury: the Korean Farmers’ Occupational Disease and Injury Survey
Hyeseon Chae, Kyungdoo Min, kanwoo Youn, Jinwoo Park, Kyungran Kim, Hyocher Kim, Kyungsuk Lee
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The Relationship between the Experience of an Accident and Post Traumatic Stress Disorder in Bus Drivers: Won Seon Choi, Sung Ae Cho, Kyeong Yeon Kim, Young Seung Cho, Jung Wan Koo, Hyoung Ryoul Kim; Korean Journal of Occupational and Environmental Medicine 2011;23(2):139-148. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.139

Abstract PDF

OBJECTIVES
Mental fitness issues have recently become a point of dispute in the field of health. Drivers are occupationally in danger of a possible accident, and are also exposed to other factors aside from accidents that threaten their mental health. The purpose of this research is to examine the level and state of post traumatic stress disorder (PTSD) and overall mental fitness in bus drivers. In addition, we wish to understand the various causes that can influence PTSD.
METHODS
From April 1 to June 30, 2009, taking the region and number of workers into consideration, survey sheets were distributed to selected bus drivers who belonged to the public transportation union. The questionnaire included questions on experiences, details of accidents, the characteristics of the working environment, and the status of mental health. We used the Davidson Trauma Scale to investigate PTSD symptoms and the Center for Epidemiological Studies Depression Scale to evaluate depression.
RESULTS
Regardless of the type of accident, the group of bus drivers with accident experience showed stronger signs of suffering from PTSD. It seemed that the experience of an accident that caused the death of passengers or conflict with passengers were important factors for PTSD. Within the PTSD group, we found more symptoms of depression, and also this group is more likely to take time off work.
CONCLUSIONS
The experience of an accident threatens the mental health of bus drivers. Since bus drivers are responsible for the safety of many citizens, we must work towards finding ways to protect their mental health.

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The association between psychiatric disorders and work-related problems among subway drivers in Korea
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Comparison of Cardiovascular Disease Status Between Large Scale Industry Office and Self Employed Male Workers: Keun Ho Jang, Won Ju Park, Myeong Bo Kim, Dae Kwang Lee, Hong Jae Chae, Jai Dong Moon; Korean Journal of Occupational and Environmental Medicine 2011;23(2):130-138. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.130

Abstract PDF

OBJECTIVES
The aim of this study is to compare the cardiovascular disease status between large scale industry office and self employed male workers who have gaps in their intensive health management.
METHODS
The cross sectional study was carried out with subjects composed of 244 shipyard office male workers and 381 self employed male workers, aged 30 to 55 years. They were given a health exam in a general hospital from January 2007 to June 2009. Information was based on data from self-administered questionnaires, physical examination and laboratory results on blood samples. The degree of coronary artery calcification and stenosis was evaluated by a 64 channel multi-detector computed tomography angiography.
RESULTS
The prevalence of hypertension(p<0.01) and diabetes mellitus(p=0.02) and waist circumference(p<0.01) was significantly lower in the shipyard office workers than in self employed workers. Proper drinking(p<0.01) was more commmon in shipyard office workers. The rates of coronary artery calcification and stenosis were estimated to be 18.4% and 11.5% respectively for shipyard office workers and were significantly lower than the 26.5% and 21.5% for self employed workers. After adjustment for age, the probability of coronary artery stenosis in shipyard office workers was lower than in self employed workers (OR=0.56, 95% CI=0.35~0.90).
CONCLUSIONS
The study results verified the benefits of a health promotion and intervention program and the healthy worker effect for cardiovascular diseases. More specifically, it verified the benefits regarding coronary artery stenosis in large scale industry office workers. This result should encourage the establishment of health promotion programs and the study of occupational epidemiology.

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The effect of employment transitions on physical health among the elderly in South Korea: A longitudinal analysis of the Korean Retirement and Income Study
Juyeon Lee, Myoung-Hee Kim
Social Science & Medicine.2017; 181: 122. CrossRef
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Chae-Bong Kim, KyooSang Kim
Journal of Korean Society of Occupational and Environmental Hygiene.2015; 25(3): 418. CrossRef
Comparison of oral health status by metabolic syndrome risk factors in workers
In-Young Ku, Seon-Jeong Moon, Myeong-Seon Lee, Kyung-Hwan Ka
Journal of Korean society of Dental Hygiene.2013; 13(4): 581. CrossRef

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A Study of the Results of Sputum Cytology as a Special Health Examination: Jun Hoo Lee, Chang Ho Chae, Young Wook Kim, Jun Seok Son, Ja Hyeon Kim, Seung Hyun Park, Ho Seong Cho; Korean Journal of Occupational and Environmental Medicine 2011;23(2):122-129. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.122

Abstract PDF: OBJECTIVES
This study aims investigate the results of sputum cytology, which began its test period from 2009 as a special health examination for individuals whose lungs have been exposed to carcinogens.
METHODS
22,215 cases of sputum results were classified into six categories through Papanicolau classification. The sputum results were analyzed according to age, exposure degree to welding fumes and smoking status. Chi-square tests and logistic regression analysis were used to compare and analyze the associations between sputum results and smoking status, exposure degree and age classifications.
RESULTS
The number of class I cases was 20,784 with a frequency of (93.6%), class II had 1,076 cases (4.8%), class III had 69 cases (0.3%), and the inadequate class had 286 cases (1.3%) and there were no cases in class VI and V. Patients in class III received CT scans of their chest for further evaluation, but no cancer patients were found from that. There were 2.48 times (95% CI 1.12~5.53) more smokers than non-smokers in class III and 1.70 times (95% CI 1.43~2.02) more in class II. The number of ex-smokers was 2.46 times (95% CI 1.01~5.99) larger than the number of non-smokers in class III and 1.28 times (95% CI 1.03~1.60) larger than the number of non-smokers in class II. There were 1.54 times (95% CI 1.28~1.85) more patients from the mid-exposure group than the low exposure group in class II. There were 1.62 times (95% CI 1.31~1.99) more patients from the high-exposure group than the low-exposure group in class II.
CONCLUSIONS
As a screening test for lung cancer, the usefulness of sputum cytology is limited. However, the precancerous cells (class II, class III) varied according to welding fume exposure degree and smoking status.

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Worker's Compensation Claims and Approval Status for Occupational Cancers in Korea from 2000 to 2009: Won Cheol Lee, Dong Il Kim, Young Jun Kwon, Hyoung Ryoul Kim, In Ah Kim, Jae Hong Ryoo, Soo Geun Kim; Korean Journal of Occupational and Environmental Medicine 2011;23(2):112-121. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.112

Abstract PDF

OBJECTIVES
The purpose of this study is to analyze the characteristics of the occupational cancer claims compensated by the Industrial Accident Compensation Insurance that is operated by the Korea Workers' Compensation and Welfare Service (COMWEL).
METHODS
Using the COMWEL electronic database, we collected 1,933 claims for occupational cancer based on the worker's compensation records in the COMWEL from 1 January 2000 to 31 December 2009. We analyzed the characteristics of the claims.
RESULTS
The average number of claims per year for occupational cancer was 193 and the approval rate was 13.1% from 2000 to 2009. Men accounted for 93.7% of the approved cases and had a higher approval rate. Approval rates increased with age. Among claims for occupational cancer, the most common was digestive cancer. On the other hand, the highest approval rate was for mesothelioma claims, followed by respiratory cancer, lymphoid or hematopoietic cancer. By industry, claims were most common in manufacturing, but the approval rate was highest in mining and quarrying. By occupation, claims most commonly came from legislators, senior officials & managers, but the approval rate was highest for craft & related trades workers. The average of tenure period was 15.5 years for approved cases, but 10.3 years for non-approved cases, respectively.
CONCLUSIONS
We analyzed the characteristics of the occupational cancer claims which were compensated for the last 10 years accrording to the approved results. For the purpose of long-term understanding and management of worker's compensation status for occupational cancer, we should gather accurate information of the carcinogenic factors involved in order to achieve the systematic improvement that is needed.

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Estimating Benzene Exposure Level over Time and by Industry Type through a Review of Literature on Korea
Donguk Park, Sangjun Choi, Kwonchul Ha, Hyejung Jung, Chungsik Yoon, Dong-Hee Koh, Seunghun Ryu, Soogeun Kim, Dongmug Kang, Kyemook Yoo
Safety and Health at Work.2015; 6(3): 174. CrossRef
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Inah Kim, Eun-A Kim, Jae Young Kim
Journal of Korean Medical Science.2014; 29(Suppl): S40. CrossRef
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Kyung-Taek Rim
Asian Pacific Journal of Cancer Prevention.2013; 14(6): 3379. CrossRef

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Depressive Symptoms and Their Association with Sleep Quality, Occupational Stress and Fatigue Among Small-Scaled Manufacturing Male Workers: Kyu Sun Lee, Dong Bae Lee, In Sun Kwon, Young Chae Cho; Korean Journal of Occupational and Environmental Medicine 2011;23(2):99-111. Published online June 30, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.2.99

Abstract PDF

OBJECTIVES
To determine the depressive symptoms and their association with sleep quality, occupational stress and fatigue among small-scale manufacturing male workers.
METHODS
A self-administered questionnaire was distributed to 856 workers employed in 62 work places under 50 members of manufacturing industries from April 1st to June 30th, 2010. The questionnaire survey included sociodemographic and health-related characteristics, job-related characteristics, sleep quality (PSQI), occupational stress (KOSS), fatigue symptoms (MFS) and depressive symptoms (CES-D).
RESULTS
Among all subjects, 44.3% were in the depression group (21 points and over in the CES-D score), and it was positively correlated with occupational stress, fatigue and quality of sleep. The adjusted odds ratios for the effect of depression on sleep quality, occupational stress and fatigue were significantly increased in the high risk group compared to that in the normal group. Hierarchial multiple regression analysis revealed that the following factors of influence had combined explanatory powers of 49.3% on depression: marital status, BMI, subjective status of health, leisure time, job position, job tenure, sense of satisfaction in work, quality of sleep, occupational stress and fatigue.
CONCLUSIONS
The study results revealed a very complicated influence exerted on the level of depression by variable factors, as well as sociodemographic characteristics, health related characteristics and job-related characteristics, particularly quality of sleep, occupational stress and fatigue. Especially, the level of depression was more influenced by occupational stress than by quality of sleep and fatigue factors.

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