Annals of Occupational and Environmental Medicine

Won Ju Park

5 Articles

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

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
Association of Work-related Characteristics and Hypertension among White Collar Workers
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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Comparison of Cardiovascular Disease Risk Assessment Tools by Using Coronary CT Angiography: Myeong Bo Kim, Won Ju Park, Keun Ho Jang, Dae Kwang Lee, Hong Jae Chae, Jai Dong Moon; Korean Journal of Occupational and Environmental Medicine 2010;22(2):102-113. Published online June 30, 2010; DOI: https://doi.org/10.35371/kjoem.2010.22.2.102

Abstract PDF

OBJECTIVE: The prevalence and mortality rate of cardiovascular disease (CVD) have increased among Koreans over the past 20 years. To manage and control this disease, various CVD risk assessment tools such as KOSHA (Korean Occupational Safety and Health Agent) CVD risk assessment, the presence of metabolic syndrome and the Framingham risk score (FRS) have been developed and applied to employees at the workplace. This study was designed to compare the validity of the CVD risk assessment tools mentioned above with the findings of coronary CT angiography (CCTA).
METHODS
The subjects of this study who were 490 male-workers aged between 31 and 70, and these subjects were selected among those who had visited a University Hospital for a general health examination and who underwent CCTA from January 2007 to June 2009. Chi-square tests and logistic regression analysis were used to compare and analyze the associations between the CVD risk assessment tools and the coronary artery changes such as calcification and stenosis.
RESULTS
Metabolic syndrome (OR=1.90, 95% CI 1.23-2.95) and the Framingham risk score (OR=2.71, 95% CI 1.83-4.01) were the significant and meaningful predictors of coronary artery calcification. On the analysis of the association with coronary artery stenosis, only the Framingham risk score (OR=2.21, 95% CI 1.46-3.36) turned out to be a significant and meaningful predictor.
CONCLUSION
The results suggest that the Framingham risk score is a relatively valid CVD risk assessment tool. Henceforth, to effectively manage cardiovascular diseases in the workplace, advanced tools and indicators for management should be considered and provided based on meaningful study results.

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Sex differences in the relationship between depression and cardiovascular disease risk: a nationwide study in Korea
Seol-bin Kim, Ihn Sook Jeong
Osong Public Health and Research Perspectives.2021; 12(2): 105. CrossRef
Factors related to Coronary Artery Disease in Korean Adults: Based on the Korean National Health and Nutrition Examination Survey 2013~2015
Sook Young Kim
The Korean Journal of Rehabilitation Nursing.2018; 21(1): 33. CrossRef
The Assessment of Framingham Risk Score and 10 Year CHD Risk according to Application of LDL Cholesterol or Total Cholesterol
Se Young Kwon, Young Ak Na
Korean Journal of Clinical Laboratory Science.2016; 48(2): 54. CrossRef
The Relationship between Coronary Risk Factors and Coronary Calcium Score Detected by Computed Tomography Coronary Angiography in Korean Middle Aged Men
Seung-Hyun Park, Young-Wook Kim, Chang-Ho Chae, Ja-Hyun Kim, Yune-Sik Kang, Yong Whi Park, Baek Geun Jeong
Journal of agricultural medicine and community health.2014; 39(1): 25. CrossRef
Relationship between Conventional Cardiovascular Disease Risk Assessment and Coronary Artery Calcification in Group Exposed to Inorganic Dusts
Won-Jeong Lee, So Young Park
Journal of the Korean Society of Radiology.2013; 68(5): 397. CrossRef
Relation of Pulmonary Function Impairment and Coronary Artery Calcification by Multi-detector Computed Tomography in Group Exposed to Inorganic Dusts
Won-Jeong Lee, Jae Hoon Shin, So Young Park
Tuberculosis and Respiratory Diseases.2013; 74(2): 56. CrossRef
Evaluate the diagnostic accuracy in the assessment of coronary artery stenoses using MDCT
Won-Seok Yang, Sung-Gyu Sin, Jae-Hong Park
Journal of the Korean Society of Radiology.2012; 6(4): 275. CrossRef

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The Relationship of Serum CEA Levels and Type of Work in Shipyard Workers: Won Ju Park, Myoung Bo Kim, Yang Hyun Kim, Ryoung Jin Park, Keun Ho Jang, Hong Jae Chae, Jai Dong Moon; Korean Journal of Occupational and Environmental Medicine 2009;21(4):293-300. Published online December 31, 2009; DOI: https://doi.org/10.35371/kjoem.2009.21.4.293

Abstract PDF

OBJECTIVES
Benign conditions have been known to cause an increase in the levels of serum carcinoembryonic antigen, a level change that is often associated with an increase in the occurrence of malignancy. The purpose of this study was to elucidate the relationship between serum CEA levels and type of work in shipyard workers.
METHODS
From July-August 2007, 637 study subjects were enrolled into the study with the following characteristics: age 37~58 years, healthy shipyard workers, and who undergone an examination in a general hospital. Data on general characteristics was gathered from self-administered questionnaires. Information on job factors was collected from company personnel data. Serum CEA levels were measured after 10 hours'fasting.
RESULTS
The level of mean serum CEA was 1.83+/-1.20 ng/mL. On univariate analysis, the mean CEA level was significantly higher in older age groups (P<0.05), current smokers, lower education, and in production workers (P<0.01). After adjusting for age, BMI, cigarette smoking, job pattern, and educational level, the serum CEA level was higher in production workers than in office workers(P<0.01). This is particularly true in the shipyard painters, who had the highest level of CEA across job groups.
CONCLUSIONS
The goal of this was to determine if there were differences in serum CEA levels according to occupational role in shipyard workers. Production shipyard workers had relatively higher level of serum CEA than office workers, most likely due to occupational exposure. This serum CEA level is influenced by occupation role. Serum CEA level could be a parameter for evaluating pollutant effects.

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The association between cadmium and lead exposure and blood pressure among workers of a smelting industry: a cross-sectional study
Hyun Chan An, Joo Hyun Sung, Jiho Lee, Chang Sun Sim, Sang Hoon Kim, Yangho Kim
Annals of Occupational and Environmental Medicine.2017;[Epub] CrossRef

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Predictors of Metabolic Syndrome Among Shipyard Workers and its Prevalence: Yang Hyun Kim, Ryoung Jin Park, Won Ju Park, Myoung Bo Kim, Jai Dong Moon; Korean Journal of Occupational and Environmental Medicine 2009;21(3):209-217. Published online September 30, 2009; DOI: https://doi.org/10.35371/kjoem.2009.21.3.209

Abstract PDF

OBJECTIVES
The purpose of this study was to evaluate the predictors of metabolic syndrome in shipyard workers in the Southwestern part of South Korea and determine its prevalence.
METHODS
The study subjects were composed of 1,198 medical check-up examinees, age 37 to 58 years who were examined in a general hospital from July, 2007 to August, 2008. Information about age, smoking, drinking and exercise was based on data from self-administered questionnaires. We collected job factors, education level and marital status from company personnel data and the indices of metabolic syndrome from the medical check-up.
RESULTS
The prevalence of metabolic syndrome among the 1,198 shipyard workers was 15.0%. The prevalence of the components of metabolic syndrome was as follows: 26.9% for central obesity, 31.7% for hypertension, 32.2% for hypertriglyceridemia, 19.2% for low HDL-cholesterolemia and 5.2% for hyperglycemia. Adjusted odds ratio for metabolic syndrome was significantly decreased in productive workers (OR: 0.500, 95% CI: 0.327-0.764). Furthermore, factors such as age, smoking, drinking, exercise, work duration and job type were significantly associated with metabolic syndrome.
CONCLUSIONS
Our findings suggest that even though shipyard workers work for the same employer, the prevalence of metabolic syndrome varies to job type, shift work and work duration. Therefore, general metabolic syndrome management programs for shipyard workers should be designed and tailor-made for specified job characteristics to prevent cardiovascular disease more effectively. Also, thorough control and management of the tailor made metabolic syndrome management programs is needed in the early stages of metabolic syndrome for good health outcomes.

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Study on nutrition, dietary and health status of middle-aged Korean men according to sedentary hours: based on the 2019 Korea National Health and Nutrition Examination Survey
Dajeong Jeong, Jeehyun Lee, Eunju Yoon
Journal of Nutrition and Health.2022; 55(3): 359. CrossRef
Association between metabolic syndrome and shift work in chemical plant workers
Seong-Ryol Chai, Soon-Chan Kwon, Yong-Jin Lee, Eun-Chul Jang, Young-Sun Min, Su-yeon Lee
Annals of Occupational and Environmental Medicine.2021;[Epub] CrossRef
Effectiveness of workers’ general health examination in Korea by health examination period and compliance: retrospective cohort study using nationwide data
Huisu Eom, Jun-Pyo Myong, Eun-A Kim, Bohwa Choi, Soon Woo Park, Young Joong Kang
Annals of Occupational and Environmental Medicine.2017;[Epub] CrossRef
Metabolic Syndromes Improvement and Its Related Factors among Health Checkup Examinees in a University Hospital
Mal-Suk Jo, Soon-Rim Suh, Keon-Yeop Kim
Journal of the Korea Academia-Industrial cooperation Society.2016; 17(6): 147. CrossRef
The Effects of Shift Work and Hours of Sleep on Metabolic Syndrome in Korean Workers
Hyunju Park
Korean Journal of Occupational Health Nursing.2016; 25(2): 96. CrossRef
Influence of Occupational Type and Lifestyle Risk Factors on Prevalence of Metabolic Syndrome among Male Workers: A Retrospective Cohort Study
So Hui Kang, Seon Young Hwang
Korean Journal of Adult Nursing.2016; 28(2): 180. CrossRef
Effect of working patterns on eating habits in manufacturing workers of Gwangju area
Ji-Suk Yim, Young-Ran Heo, Eun Jeong, Jae-Joon Lee
Journal of Nutrition and Health.2016; 49(6): 495. CrossRef
Cardiovascular Disease According to Job Type and Life Style
Wan-Young Yoon
Journal of Digital Convergence.2016; 14(2): 501. CrossRef
Association between Metabolic Syndrome and Participation in Clean-up Work at the Hebei Spirit Oil Spill
Ik-Jin Lee, Bong-Ki Jang, Jong-Wha Lee, Bu-Soon Son, Hae-Kwan Cheong, Mina Ha, Young-Hyun Choi, Myungsook Park
Korean Journal of Environmental Health Sciences.2015; 41(5): 335. CrossRef
Factors Affecting Health Promotion Behavior among Workers with High Risk of Metabolic Syndrome: Based on Theory of Planned Behavior
Sungwon Park, Sook Ja Yang
Journal of Korean Academy of Community Health Nursing.2015; 26(2): 128. CrossRef
Prevalence of Metabolic Syndrome and Its Predicting Factors among Small-sized Company Workers
Soo Kyoung Choi, Jeong A Jo, Seon Young Hwang
Korean Journal of Adult Nursing.2014; 26(2): 244. CrossRef
A Study on the Prevalence and Influencing Factors of Metabolic Syndrome among Police Officers
Ju Hee Hong, Sa-Woo Lee
Journal of Korean Society of Occupational and Environmental Hygiene.2014; 24(4): 566. 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
An Investigation on the Metabolic Syndromes and Health-Related Risk Factors among Male Workers
Sun-Young Choi, Na-Eun Kang, Sung-Hee Kim
The Korean Journal of Food And Nutrition.2013; 26(4): 975. CrossRef
Prevalence and Associated Risk Factors of the Metabolic Syndrome in the Korean Workforce
Dae Ryong KANG, Yeongmi HA, Won Ju HWANG
Industrial Health.2013; 51(3): 256. CrossRef
Relation of Health Promotion Behaviors and Metabolic Syndrome in Daytime Workers
Dae-Sik Ko, Bu-Yeon Park, Gyeong-Hyu Seok
The Journal of the Korea institute of electronic communication sciences.2013; 8(12): 1941. CrossRef
The Factors related to Dyslipidemia and Hypertension among Male Office Workers
Eun Kyung Lee, Ok Soo Kim
Korean Journal of Adult Nursing.2013; 25(4): 432. CrossRef

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Blood Lead Level as a Predictor of Coronary Artery Disease: Ryoung Jin Park, Seung Hyun Kim, Ji Ung Park, Yang Hyun Kim, Myoung Bo Kim, Won Ju Park, Jai Dong Moon; Korean Journal of Occupational and Environmental Medicine 2009;21(1):38-45. Published online March 31, 2009; DOI: https://doi.org/10.35371/kjoem.2009.21.1.38

Abstract PDF

OBJECTIVES
Lead exposure is known to be associated with high blood pressure, hypertension, coronary artery disease, peripheral arterial disease, left ventricular hypertropy, and electrocardiographic abnormalities. We investigated the association between blood lead and coronary artery calcification and stenosis.
METHODS
Between April 2006 and July 2007, 502 adults (345 males and 157 females), who had no history of cardiovascular disease or occupational exposure to lead, were recruited as study subjects. All subjects underwent coronary CT angiography and blood lead measurement.
RESULTS
Blood lead levels were distributed from 0.43 to 11.30 (microgram/dL with a geometric mean blood lead level of 2.98+/-1.5 (microgram/dL. The geometric mean blood lead levels were higher in men than women (3.31+/-1.5 (microgram/dL vs. 2.36+/-1.5 (microgram/dL, P < 0.01). Based on a multivariate analysis, a 1 unit ((microgram/dL) increase in blood lead level was associated with a 1.09 (95% confidence interval, 0.92~1.29) and a 1.01 fold (95% confidence interval, 0.63~1.63) greater risk for coronary artery calcification in men and women, respectively. Similarly, a 1 unit (microgram/dL) increase in blood lead level was associated with a 1.25 (95% confidence interval, 1.03~1.51) and a 1.42 fold (95% confidence interval, 0.73~2.75) greater risk for coronary artery stenosis in men and women, respectively.
CONCLUSIONS
The results suggest that increased blood lead levels are associated with an increased risk of coronary artery stenosis.

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Blood Lead Levels and Cardiovascular Disease Risk: Results from the Korean National Health and Nutrition Examination Survey
Yoonjin Park, Jungjin Han
International Journal of Environmental Research and Public Health.2021; 18(19): 10315. CrossRef
Blood lead concentration and related factors in Korea from the 2008 National Survey for Environmental Pollutants in the Human Body
Seong Wook Jeong, Chae Kwan Lee, Chun Hui Suh, Kun Hyung Kim, Byung Chul Son, Jeong Ho Kim, Jong Tae Lee, Soo Woong Lee, Yeong Beom Park, Jong Wha Lee, Seung-Do Yu, Chan Seok Moon, Dae Hwan Kim, Sang Yoon Lee
International Journal of Hygiene and Environmental Health.2014; 217(8): 871. CrossRef
The Effects of Blood Lead on Blood Pressure Among Non-smokers
Yun-Suk Pak, Sang-Sin Park, Tae-Hun Kim, Sang-Yoon Lee, Young-Lim Kho, Eun-Hee Lee
Korean Journal of Environmental Health Sciences.2012; 38(4): 311. CrossRef
National estimates of blood lead, cadmium, and mercury levels in the Korean general adult population
Nam-Soo Kim, Byung-Kook Lee
International Archives of Occupational and Environmental Health.2011; 84(1): 53. CrossRef

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