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Annals of Occupational and Environmental Medicine

Jae-Yeop Kim, Ji-Su Shin, Myeong-Seob Lim, Hyeon-Gyeong Choi, Sung-Kyeong Kim, Hee-Tae Kang, Sang-Baek Koh, Sung-Soo Oh
Background: It is well known that ergonomic risk factors and back pain are related. However, few studies have examined the relationship between simultaneous exposure to these risk factors and back pain in a Korean population. We aimed to investigate the relationship between simultaneous exposure to ergonomic risk factors and work-related lower back pain (LBP) based on the fourth Korean Working Conditions Survey (KWCS). Method: The fourth KWCS (2014) was used for this study...
2018: Annals of Occupational and Environmental Medicine
Hyung Doo Kim, Yon Soo An, Dong Hyun Kim, Kyung Sook Jeong, Yeon Soon Ahn
Background: Although one in two firefighters in South Korea have experienced work-related injuries, there are few studies which show the overview description on work-related injuries and its analysis regarding such causes. Therefore, we aimed to show the overview of compensated work-related injuries in order to serve fundamental data for establishing prevention policies on work-related injuries for Korean firefighters. Methods: We requested the all claimed work-related injury data of Korean firefighters from 2010 to 2015 to the Korean National Fire Agency (NFA)...
2018: Annals of Occupational and Environmental Medicine
Seyyed Abolfazl Zakerian, Saeid Yazdanirad, Seifollah Gharib, Kamal Azam, Asma Zare
Background: Lighting is one of the environmental factors affecting the performance of the control room operators. Therefore, the aim of this study was to compare the control room operators' visual performance in two different illumination conditions at a combined cycle power plant through field-work. Methods: Sixteen operators in day shift were evaluated with the Freiburg Visual Acuity test (FrACT) software at two lighting systems with different intensities. It includes the first phase with fluorescent illumination system (Power: 40 W, Color Temperature: 4000 Kelvin, Luminous Flux: 2780 Lumen and Model: Pars Shahab) and the second phase with a combined illumination system includes fluorescent and LED (Power: 48 W, Color Temperature: 4000 Kelvin, Luminous Flux: 5400 Lumen and Model: Mazinoor)...
2018: Annals of Occupational and Environmental Medicine
Young Seok Byun, Sung Kyu Park, Joon Sakong, Man Joong Jeon
Background: The Korean Computerized Neurobehavioral Test (KCNT) is a psychological assessment tool used as part of Workers' Special Health Examinations in Korea. Due to the spread of mobile technology, this study aimed to compare results of the KCNT administered on a tablet PC versus a desktop computer, and, therefore, assess the clinical applicability of mobile devices. Methods: A total of 72 participants enrolled in this study. Their age, sex, and years of formal education were collected during an interview, as well as their typing speed...
2018: Annals of Occupational and Environmental Medicine
Jun Ick Jung, Jun Seok Son, Young Ouk Kim, Chang Ho Chae, Chan Woo Kim, Hyoung Ouk Park, Jun Ho Lee, Young Hoo Shin, Jea Chul Ha
Background: Since the 1980s, restructuring, which includes downsizing, closures, mergers, and privatization, has expanded worldwide, and various studies have investigated its effect on health. However, previous studies have mainly focused on restructuring accompanied by massive lay-offs, and the effect of a merger on workers' health is still controversial. This study aims to investigate changes in worker depression and job stress after a merger without downsizing, which is unusual in Korea...
2018: Annals of Occupational and Environmental Medicine
Dadi Marami, Konjit Hailu, Moti Tolera
Background: Intestinal parasitic infections are major public health problems worldwide, with high prevalence in low income countries where substandard food hygiene practices are common. Asymptomatic food handlers with poor personal hygiene could be potential sources of parasitic infections. This study was aimed to assess the prevalence of intestinal parasitic infections and associated factors among asymptomatic food handlers working at Haramaya University cafeterias, eastern Ethiopia...
2018: Annals of Occupational and Environmental Medicine
Gab-Sik Shin, Kyeong-Sook Choi, Kyoung Sook Jeong, Young-Sun Min, Yeon-Soon Ahn, Min-Gi Kim
Background: Resilient individuals have a comprehensive ability to adapt to various life circumstances. Psychological resilience predicts an individual's physiological response to stress. The 10-item Connor-Davidson Resilience Scale (CD-RISC) is a widely used measure to quantify the level of self-perceived resilience. This study examined the psychometric properties of a Korean version of the 10-item Connor-Davidson Resilience Scale (10-item K-CD-RISC) on workers in Gumi, South Korea, exposed to hydrofluoric acid (HF)...
2018: Annals of Occupational and Environmental Medicine
Sung-Min Park, Hwan-Cheol Kim, Shin-Goo Park, Hyun-Suk Jang, Go Choi, Jong-Han Leem
Background: Occupational injuries increase burden on society as well as personal health. Low satisfaction with life may not only increases the risk of occupational injuries directly, but also influences other factors that increase the risk of occupational injury. Along with previous studies on the risk of occupational injury, we sought to explore the relationship between satisfaction with life and occupational injury. Methods: The study participants were 6234workers health screened at a university hospital in Incheon...
2018: Annals of Occupational and Environmental Medicine
Sedigheh Ebrahimi, Zahra Kargar
Background: Occupational stress and its related psychological strain is a concern among resident doctors that may affect patient care adversely. Residents face many stresses because of their high job demands in delivery of hospital care. They are often subject to work load and pressure due to direct involvement with patients, prolonged working hours, poor job opportunities and low support. Their multiple educational and clinical roles can also affect their performance and quality of personal or professional life...
2018: Annals of Occupational and Environmental Medicine
Bo-Young Jang, Dong-Mug Kang, Young-Ki Kim, Se-Young Kim, Kyung-Sun Ko
Background: This study aimed to identify the difference of perception about the role of appointing health officers by comparing and analyzing the response of entrustment workplace (EW) and specialized health management institution (SI). This is considered an important aspect of an institutional assessment to improve the quality of health management services. Methods: A survey questionnaire was mailed to 122 SIs and 319 EWs nationwide. The questionnaire survey was about the general characteristics of SIs and EWs and main occupations for each evaluation item...
2018: Annals of Occupational and Environmental Medicine
Seonghoon Kang, Jinho Song, Taehwan Koh, One Park, Jong-Tae Park, Won-Jin Lee
Background: Prevalence of thyroid cancer has been increasing rapidly worldwide, especially among women. There has been a debate as to whether such an increase represents consequences of over-diagnosis or a true increase. To find the occupational risk of Korean female workers in different industry sectors, we analyzed the data of Korean female workers. Methods: National Female Worker Cohort data that contain information on total female workers were used for our analysis of prevalence of thyroid cancer (C73 according to KCD-5, 6 code) derived from National Health Insurance data...
2018: Annals of Occupational and Environmental Medicine
Si Woo Park, Byoung Gwon Kim, Jung Woo Kim, Jung Woo Park, Jung Il Kim
Background: The present study aims to compare the pulmonary function of residents of Seoul special city (Seoul) and Jeju special self-governing province including Jeju city and Seogwipo city (Jeju), characterized by vastly different annual average airborne particulate matter with an aerodynamic diameter less ≤10 μm (PM10 ) concentrations, with the annual average PM10 concentration in Seoul being significantly higher than that in Jeju. Methods: This cross-sectional study analyzed the pulmonary function test results and sociodemographic data of Korean adults ≥19 years of age derived from the 4th KNHANES, 2007-2009...
2018: Annals of Occupational and Environmental Medicine
Yeogyeong Yoon, Jia Ryu, Hyunjoo Kim, Chung Won Kang, Kyunghee Jung-Choi
Background: South Korea is one of the countries with the longest working hours in the OECD countries. The aim of this study was to evaluate the effect of working hours on depressive symptoms and the role of job stress factors between the two variables among employees in South Korea. Methods: This study used data from the Korea Working Conditions Survey in 2014. Study subjects included 23,197 employees aged 19 years or older who work more than 35 h per week. Working hours were categorized into 35-39, 40, 41-52, 53-68, and more than 68 h per week...
2018: Annals of Occupational and Environmental Medicine
Yon Soo An, Hyung Doo Kim, Hyeoung Cheol Kim, Kyoung Sook Jeong, Yeon Soon Ahn
Background: This study aimed to enhance understanding of the epidemiologic characteristics of asbestos-related diseases, and to provide information that could inform policy-making aimed at prevention and compensation for occupational asbestos exposure, through analyzing asbestos-related occupational disease claims to Korea Workers' Compensation and Welfare Service from 2011 to 2015. Methods: We analyzed 113 workers who filed medical care claims or survivor benefits for asbestos exposure and occupational-related disease from 2011 to 2015...
2018: Annals of Occupational and Environmental Medicine
Yu Min Lee, Hye Won Chung, Kyungah Jeong, Yeon-Ah Sung, Hyejin Lee, Shinhee Ye, Eun-Hee Ha
Background: Anti-Mullerian hormone (AMH) in women is secreted by granulosa cells of antral follicles. AMH appears to be a very stable marker for ovarian function. It may be used to diagnosis cases of premature ovarian failure, polycystic ovary syndrome (PCOS), and ovarian tumors. It has been suggested that cadmium exposure can reduce female fecundity. The purpose of this study was to investigate whether environmental exposure to cadmium was associated with alterations in AMH with regards to age...
2018: Annals of Occupational and Environmental Medicine
Namhoon Lee, Kiook Baek, Soohyun Park, Inho Hwang, Insung Chung, Wonil Choi, Hyera Jung, Miyoung Lee, Seonhee Yang
Background: Using analysis of air samples from the workplace, we report on one case of pneumoconiosis in an individual who has been working in a polytetrafluoroethylene (PTFE) spraying process for 28 years. Case presentation: The patient was diagnosed with granulomatous lung disease caused by PTFE using computed tomography (CT), lung biopsy and electron microscopy. To assess the qualitative and quantitative exposure to PTFE in workplace, Fourier transform infrared spectroscopy (FT-IR), energy-dispersive X-ray spectroscopy (EDX) and thermogravimetric analysis (TGA) were performed on air samples from the workplace...
2018: Annals of Occupational and Environmental Medicine
Ju-Il Seo, Gab-Sik Shin, Min Gi Kim, Young-Sun Min
Background: The aim of this study was to examine the relationship between the provision of safety and health information (PSHI) and occupational injuries. Methods: This study was based on data from the 4th Korean Working Conditions Survey (KWCS) (2014). The sample consisted of data from 24,527 wage workers and was divided into high-risk and low-risk groups, depending on the probability of occupational injury. The high-risk group included subjects who could cause harm to themselves or others due to errors during work...
2018: Annals of Occupational and Environmental Medicine
Yi-Ryoung Lee, Hyoung-Ryoul Kim, Seyoung Lee
Background: Korean teacher's working conditions are deteriorating. There is concern about the deterioration of teachers' health and voice disorder is one of the most common problems. Teacher's vocal health is important for them and their students. The aim of the present study was to investigate working conditions that may affect voice disorders. Methods: In all, 79 primary and secondary schools were randomly selected for a nationwide school system survey ( N  = 3345)...
2018: Annals of Occupational and Environmental Medicine
Wook Han, Soon-Chan Kwon, Yong-Jin Lee, Chan Park, Eun-Chul Jang
Background: The aim of this study was to investigate the association between work-related factors and temporomandibular disorders (TMD) among female full-time employees using representative data from a national population-based survey. Methods: Data from the Fourth Korea National Health and Nutrition Examination Survey IV (2007-2009) were used to analyze 1,612 women. Complex samples logistic regression was applied for adjusting for general characteristics and work-related factors to examine the association between work-related factors and TMD...
2018: Annals of Occupational and Environmental Medicine
Jaehyuk Jung, Inchul Jeong, Kyung-Jong Lee, Guyeon Won, Jae Bum Park
Background: Prospective studies on occupational stress and depression among Korean workers are scarce. This study aimed to investigate the causal relationship between changes in occupational stress and the presence of depression. Methods: This study analyzed data from a survey conducted with workers in a large Korean company (2015-2016). Occupational stress was measured using the Korean Occupational Stress Scale, and depression was screened using the WHO-5 Well-being Index...
2018: Annals of Occupational and Environmental Medicine
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