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Annals of Occupational and Environmental Medicine

Donghee Shin, Kanwoo Youn, Eunja Lee, Myeongjun Lee, Hweemin Chung, Deokweon Kim
BACKGROUND: This study was designed to investigate the prevalence of the menisci lesions in national park workers and work factors affecting this prevalence. METHODS: The study subjects were 698 workers who worked in 20 Korean national parks in 2014. An orthopedist visited each national park and performed physical examinations. Knee MRI was performed if the McMurray test or Apley test was positive and there was a complaint of pain in knee area. An orthopedist and a radiologist respectively read these images of the menisci using a grading system based on the MRI signals...
2016: Annals of Occupational and Environmental Medicine
Jung-Woo Park, Jin-Soo Park, Seyoung Kim, Minkyu Park, Hyunrim Choi, Sinye Lim
BACKGROUND: This study is aimed at finding out the relationship between long working hours, one of major job stress elements, and hearing impairment in unexposed workers to occupational and environmental noise. METHODS: This study was performed on 1628 regular, full-time wage workers between the age of 25-64 who indicated in the survey of having no experience of exposure to noise, normal otoscopic findings, and not suffering from diabetes based on the data from the fifth Korea National Health and Nutrition Examination Survey (KNHANES 2010-2012)...
2016: Annals of Occupational and Environmental Medicine
BongKyoo Choi, SangJun Choi, JeeYeon Jeong, JiWon Lee, Shi Shu, Nu Yu, SangBaek Ko, Yifang Zhu
BACKGROUND: Few studies have examined ambulatory cardiovascular physiological parameters of taxi drivers while driving in relation to their occupational hazards. This study aims to investigate and quantify the impact of worksite physical hazards as a whole on ambulatory heart rate of professional taxi drivers while driving without their typical worksite psychosocial stressors. METHODS: Ambulatory heart rate (HRdriving) of 13 non-smoking male taxi drivers (24 to 67 years old) while driving was continuously assessed on their 6-hour experimental on-road driving in Los Angeles...
2016: Annals of Occupational and Environmental Medicine
So-Hyun Moon, Bum-Joon Lee, Seong-Jin Kim, Hwan-Cheol Kim
BACKGROUND: Night shift work has well-known adverse effects on health. However, few studies have investigated the relationship between thyroid diseases and night shift work. This study aimed to examine night shift workers and their changes in thyroid stimulating hormones (TSH) levels over time. METHODS: Medical check-up data (2011-2015) were obtained from 967 female workers at a university hospital in Incheon, Korea. Data regarding TSH levels were extracted from the records, and 2015 was used as a reference point to determine night shift work status...
2016: Annals of Occupational and Environmental Medicine
Taeshik Kim, Mo-Yeol Kang, Min-Sang Yoo, Dongwook Lee, Yun-Chul Hong
BACKGROUND: With the development of technology, extensive use of computers in the workplace is prevalent and increases efficiency. However, computer users are facing new harmful working conditions with high workloads and longer hours. This study aimed to investigate the association between computer use at work and self-reported depressive and anxiety disorder (DAD) in a nationally representative sample of South Korean workers. METHODS: This cross-sectional study was based on the third Korean Working Conditions Survey (2011), and 48,850 workers were analyzed...
2016: Annals of Occupational and Environmental Medicine
Min Soo Jung, Jae Yoon Kim, Hyun Seung Lee, Chul Gab Lee, Han Soo Song
BACKGROUND: To identify adverse renal effects due to air pollution derived from a cement plant in Korea. Urinary n-acetyl-B-glucosaminidase (U-NAG) levels in residents living near a cement plant were compared to those in a group who lived farther away from the plant. METHODS: From June to August 2013 and from August to November 2014, laboratory tests for U-NAG and heavy metal were conducted on 547 study participants. Based on the level of air pollution exposure, subjects were divided into the "less exposed group," (LEG) which consisted of 66 persons who lived more than 5 km away from the cement plant, the "more exposed group from the rural area" (MEG-R), which consisted of 272 persons, and the "more exposed group from downtown area" (MEG-D), which consisted of 209 persons who lived within a 1 km radius of the cement plant...
2016: Annals of Occupational and Environmental Medicine
Sang Jin Park, Joo Hyun Sung, Chang Sun Sim, Seok Hyeon Yun, Jeong Han Yeom, Joong-Keun Kwon, Jiho Lee
BACKGROUND: The purpose of this study was to investigate hearing threshold changes of workers with unilateral conductive hearing loss who were exposed to workplace noise for 8-years. METHODS: Among 1819 workers at a shipyard in Ulsan, 78 subjects with an air-bone gap ≥10 dBHL in unilateral ears were selected. Factors that could affect hearing were acquired from questionnaires, physical examinations, and biochemistry examinations. Paired t-test was conducted to compare the hearing threshold changes over time between conductive hearing loss (CHL) ear and sensorineural hearing loss (SNHL) ear...
2016: Annals of Occupational and Environmental Medicine
Marie Gustafsson Sendén, Karin Schenck-Gustafsson, Ann Fridner
BACKGROUND: It is common that physicians go to work while sick and therefore it is important to understand the reasons behind. Previous research has shown that women and men differ in health and health related behavior. In this study, we examine gender differences among general practitioners who work while sick. METHODS: General practitioners (GP's) working in outpatient care in a Swedish city participated in the study (n = 283; women = 63 %; response rate = 41 %)...
2016: Annals of Occupational and Environmental Medicine
Seong-Jin Kim, Dirga Kumar Lamichhane, Shin-Goo Park, Bum-Joon Lee, So-Hyun Moon, Sung-Min Park, Hyun-Suk Jang, Hwan-Cheol Kim
BACKGROUND: Worldwide, exposure to second-hand smoke (SHS) has been responsible for more than 0.6 million deaths and 10.9 million disability-adjusted life years (DALYS) lost in never smokers in 2004. The world health organization (WHO) reported smoking-related death of 58,000 per year in South Korea. There is recent emerging evidence of the associations of SHS exposure with anxiety or depression and poor mental health. Although exposure to second-hand smoke (SHS) has been associated with various physical health conditions and mental health, we are unaware of any studies examining its association with psychological well-being as mental factor...
2016: Annals of Occupational and Environmental Medicine
Seong-Woo Kim, Eun-Chul Jang, Soon-Chan Kwon, Wook Han, Min-Sung Kang, Young-Hyeon Nam, Yong-Jin Lee
BACKGROUND: This study aimed to determine the association between shift work and inflammatory markers, which are independent risk factors of cardiovascular diseases, in male manual workers at a display manufacturing company. METHODS: This study was conducted between June 1 and July 31, 2015 on 244 male manual workers aged 20-39 years old at a display manufacturing company and investigated age, marital status, education level, alcohol consumption habit, smoking habit, regular exercise habit, sleep duration, sleep debt, sleep insufficiency, past medical history, current and past shift work experience, duration of shift work, and weekly work hours through face-to-face interviews using structured questionnaires and performed blood tests...
2016: Annals of Occupational and Environmental Medicine
WonYang Kang, Won-Ju Park, Keun-Ho Jang, Hyeong-Min Lim, Ji-Sung Ann, Seung-Hyeon Cho, Jai-Dong Moon
BACKGROUND: The aim of this study was to investigate whether type of work is associated with anxiety and depression using the Hospital Anxiety and Depression Scale (HADS). Additionally, we investigated the impact of number of working hours on anxiety and depression. METHODS: A total of 1774 workers participated and completed the HADS to determine their levels of anxiety and depression. All subjects were employed at one of two manufacturing plants for the same company...
2016: Annals of Occupational and Environmental Medicine
Gyuree Kim, Bokki Min, Jaeyoup Jung, Domyung Paek, Sung-Il Cho
BACKGROUND: Sleep disorder is a disease that causes reduction in quality of life and work efficiency of workers. This study was performed to investigate the relationship between job-related stress factor and sleep disorder among wageworkers in Korea. METHODS: This study was based on analysis of the 3rd Korean working conditions survey. We analyzed 35,902 workers whose employment status is wageworker. We classified the job-related stress factor into 12 sections. Logistic regression was performed to estimate the relationship between job-related stress factor and sleep disorder and Odds ratio and 95 % CI were calculated using the SPSS version 23...
2016: Annals of Occupational and Environmental Medicine
Myeongjun Lee, Hyunjung Kim, Donghee Shin, Sangyun Lee
BACKGROUND: Harassment means systemic and repeated unethical acts. Research on workplace harassment have been conducted widely and the NAQ-R has been widely used for the researches. But this tool, however the limitations in revealing differended in sub-factors depending on the culture and in reflecting that unique characteristics of the Koren society. So, The workplace harassment questionnaire for Korean finace and service workers has been developed to assess the level of personal harassment at work...
2016: Annals of Occupational and Environmental Medicine
Nak Joon Baek, Gun Il Park, Young Seok Byun, Man Joong Jeon, Joon Sakong
BACKGROUND: It is thought that computer familiarity has increased significantly since 2004 as well as the use of computers. This study aimed to evaluate the effects of computer familiarity and types of keyboard and computer on the performance of the Korean computerized neurobehavioral test (KCNT), and to identify which parameters of KCNT were affected by aforementioned factors. METHODS: A total of 85 subjects were classified into three groups of computer familiarity by Korean typing speed...
2016: Annals of Occupational and Environmental Medicine
Kimin Kwon, Jae Bum Park, Kyung-Jong Lee, Yoon-Sik Cho
BACKGROUND: This research was conducted with an aim of determining the association between employment status and self-rated health. METHODS: Using the data from the Third Korean Working Conditions Survey conducted in 2011, We included data from 34,783 respondents, excluding employers, self-employed workers, unpaid family workers, others. Self-rated health was compared according to employment status and a logistic regression analysis was performed. RESULTS: Among the 34,783 workers, the number of permanent and non-permanent workers was 27,564 (79...
2016: Annals of Occupational and Environmental Medicine
Jungsun Park, Jong-Tae Park, Soo Geun Kim, Cheol-In Yoo, Junseok Son, Jun Yim, Dae-Seong Kim, Kyung Young Rhee, Yangho Kim
The rapid aging trend in South Korea will cause a growing shortage of labor and decreasing quality of the labor force. The purpose of this commentary is to recommend a health care strategy to maintain and promote the work ability of employees in an aging Korea. Strategies to promote the work ability require the collaboration of governmental agencies at the central and local levels. First, the common goal should be the reinforcement of follow-up measure in general medical examinations and the promotion of healthy lifestyles for workers...
2016: Annals of Occupational and Environmental Medicine
Yun-Sik Cho, Jae Bum Park, Kyung-Jong Lee, Kyoung-Bok Min, Chul-In Baek
BACKGROUND: Presenteeism, a concept that has recently undergone active study, is the act of attending work while sick. This study investigates the association between presenteeism and various psychosocial factors within workplaces. METHODS: This study analyzed 29246 wage earners from the third Korean Working Conditions Survey (KWCS, 2011) data using the logistic regression analysis to investigate the association between presenteeism and various psychosocial factors within workplaces...
2016: Annals of Occupational and Environmental Medicine
Waleed M Sweileh, Sa'ed H Zyoud, Samah W Al-Jabi, Ansam F Sawalha, Naser Y Shraim
BACKGROUND: Water - related diseases are worldwide health concern. Microbial contamination and contaminant products in water are a source of disease outbreaks and development of cumulative toxic effects. Ensuring safe water is one of the goals to be achieved at the global level. The aim of this study was to assess publications on drinking and recreational water from a health point of view to understand current problems and future research trends in this field. METHODS: Scopus, the largest scientific electronic database, was used to retrieve related articles and present the results as bibliometric tables and maps...
2016: Annals of Occupational and Environmental Medicine
Youil Shon, Seungho Ryu, Byung-Seong Suh, Soo-Geun Kim, Won-Sool Kim, Hee-Seung Son, Hee-Yun Kim, Han-Seur Jeong
BACKGROUND: Previous studies have reported the effects of direction of shift rotation on sleep, however, the findings are inconsistent. In this study, we investigated sleep quality related to direction of shift rotation using large-scale data from shiftwork-specific health examinations of electronics workers. METHODS: This study included 4750 electronics workers working in a rotating 3-shift system who completed a medical examination for shift workers survey from January 1 to December 31, 2014, at a general hospital...
2016: Annals of Occupational and Environmental Medicine
Jae Jung Cheon, Jun Young Uhm, Gu Hyeok Kang, Eun Gye Kang, Soo Young Kim, Seong Sil Chang
BACKGROUND: Cleanroom air is extremely dry, as it is maintained within 1 % of relative humidity. Few studies have assessed the dermatologic life quality of workers in ultralow-humidity environments. Therefore, we aimed to evaluate the dermatologic life quality of cleanroom workers using the Skindex-29, compared to those of non-cleanroom workers. METHODS: Study participants were 501 cleanroom workers and 157 non-cleanroom workers from a secondary battery factory, who underwent an employee health examination at a single university hospital from September 2014 to September 2015...
2016: Annals of Occupational and Environmental Medicine
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