• Title/Summary/Keyword: atypical work

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Quantified Comparison of Work Characteristics for Musculoskeletal Hazards Assessment of Industrial Workers (생산직 근로자의 근골격계질환 위험성 평가를 위한 작업특성의 수량화 비교)

  • Lim, Hyeon-Kyo;Yun, Jong-Hun;Luo, Meiling
    • Journal of the Korean Society of Safety
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    • v.27 no.3
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    • pp.131-140
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    • 2012
  • Though there might exist not a few differences between cyclic works and atypical works, many researchers have applied the same assessment techniques that used for repetitive works, which may result introduce bias in their conclusions. This research aimed to verify whether there exist non-negligible work characteristics and/or dissimilarity among works with different work nature and whether one of the most prevalent assessment techniques for assessing ergonomic hazards of musculoskeletal disorders, REBA, can be applied to atypical works. For a general hospital, an automobile repair shop, and two auto-part assembly plants which manufactures quite different parts, a questionnaire survey and field investigation and ergonomic assessment were carried out and analyzed statistically with reference to the 3rd Quantification technique. The results showed that there exist remarkable difference between physical factors in cyclic works and atypical non-cyclic works. As for repetitive work, body posture was significant factors affecting on musculoskeletal disorders while atypical works seemed to have none which implied that the necessity of taking psychosocial factors into account for assessment of hazards. Complain rate in repetitive works was highest shoulder, back, and neck or wrist in sequence. However, there existed no consistent trend in complain rate in atypical works. And, though weight of manufacturing objects was a common factor that can partly explain musculoskeletal complain, time duration was significant in atypical work whereas repeatability and body posture were significant in repetitive works. As being the results, to summarize, it could be said that application of conventional ergonomic assessment techniques regardless of repetitiveness would be fruitless, and that the necessity of a unique methodology focused on atypical non-cyclic works should not be neglected.

The Effect of Working-hour Characteristics and Health Status of Nurses on Work-life Balance: Using the 5th Korean Working Conditions Survey

  • Cho, Eunjeong;Ju, Jieun;Oh, Booyoung
    • Journal of Korean Biological Nursing Science
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    • v.24 no.4
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    • pp.209-218
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    • 2022
  • Purpose: This study aimed to investigate the relationships between the characteristics of nurses' work schedules, health outcomes, and work-life balance. Methods: This was a secondary data analysis that included 422 nurses in Korean hospitals. Descriptive analysis, independent sample t-test, one-way ANOVA, Pearson correlation analysis, and multiple linear regression analysis were used to identify the associated factors. Results: Multiple linear regression analysis showed that work-life balance was lower when atypical work was performed (β=-.14, p=.010). Nurses who did not work overtime showed a higher level of work-life balance than those who worked overtime infrequently (β=-.11, p=.002) or frequently (β=-.28, p<.001). The work-life balance level increased when nurses had better subjective health status (β=.16, p<.001) or higher sleep quality (β=.29, p<.001). It was verified that the work-life balance level was higher for single-person households than for households with two (β=-.18, p=.003), three to four (β=-.16, p=.022), or five or more (β=-.21, p<.001) persons. Conclusion: This study suggests that government and hospital organizations should provide high-quality care and consideration to nurses who do atypical or overtime work as well as their subjective health status and sleep quality. Further research should focus on the development of a policy that improves the work-life balance of nurses, especially for those who work during atypical hours.

Analysis of Musculoskeletal Burdened Work among Nurses at a University Hospital (일개 대학병원 간호사의 근골격계 부담작업 분석)

  • Jeong, Eun-Hee;Koo, Jung‐Wan
    • Journal of the Ergonomics Society of Korea
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    • v.25 no.3
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    • pp.97-103
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    • 2006
  • Severities of musculoskeletal diseases (MSDs) have been recognized at the regular work such as manufacturing but incidence of MSDs are increasing also at the atypical work. The examples of those are health medical workers, office workers and service workers etc. Nurses among health medical workers are accomplishing to manage and recover the patients' health in the first place. Therefore, they are exposed to very stressful work conditions during caring the patients. This study was performed to analyze the musculoskeletal burdened work among nurses at a university hospital, in order to grasp the realities of the MSDs, analyze and prevent MSDs. We surveyed risk factors for ward, intensive care unit, delivery room, newborn room, operation room, function test room and central supply room at a university hospital in Seoul. It was executed for 2 months as the field study that was composed of simulation, real measurement, work motion assessment and subjective assessment. And the results were analyzed into ergonomics techniques. Works according to the criteria of musculoskeletal burdened work by the Ministry of Labor were scrub in operation room and heart ultrasonic function test. And a lot of works that need attention and management were also detected. So it should be required the education and systematic managements of MSDs for nurses.

The Development of Behavioral Modification Program on Weight Reduction in Overweight Patients taking Atypical Antipsychotics - Preliminary Study - (비정형 항정신병약물 복용 중인 과체중 환자에서 체중 감량을 위한 행동수정요법의 개발 - 예비연구 -)

  • Shin, Hong Beom;Park, Jong Ho;Cha, Bo Seok;Kim, Byung Soo;Lee, Suk Kyung;Kim, Hak Lyung;Kim, Yong Sik;Ahn, Young Min;Kang, Ung Gu
    • Korean Journal of Biological Psychiatry
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    • v.10 no.2
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    • pp.186-196
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    • 2003
  • Objects:The authors devebped a behavioral modification program for oveweight outpatients with schi-zophrenia and bipolar disorder will had teen treated with atypical antipsychotics, and evaluated the applicability of this program to outpatients Methods:Two men and nine women who had been treated with atypical antipsychotics and will had gained at least 5 percent of their pre-treatment body weight for 10 weeks, attended a behavioral modification program. The patients' weight, body mass index and the diet-activity scale were assessed and were compared with those of a matched comparison group will dd not attend the behavioral modification program Results:The body weight of patients who attended the behavioral modification program reduced with statistical significance, The treatment group showed significant improvement in diet-related items but not in activity-related items of the diet-activity scale Conclusions:This study suggested the applicability of a eehavioral mcdification program on weight reduction to overweight patients taking atypical antipsychotics for the frrst time in Korea Additional large scale studies are needed to validate the effectiveness of this program.

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Classification of Peroxiredoxin Subfamilies Using Regular Expressions

  • Chon, Jae Kyung;Choi, Jongkeun;Kim, Sang Soo;Shin, Whanchul
    • Genomics & Informatics
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    • v.3 no.2
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    • pp.55-60
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    • 2005
  • Peroxiredoxins (Prx's) are a superfamily of peroxidases that are ubiquitous in all super-kingdoms. Previous biochemical and structural studies have suggested that Prx's could be divided into five subfamilies (1-Cys, Typical 2-Cys, Atypical 2-Cys C-, L- and R- types). In this work, we have developed a set of regular expression patterns describing subfamily-specific spatial constraints of the key catalytic residues. Using these patterns, 1,016 Prx's available in public databases were classified into the five subfamilies. Our method performed well for most of the types except for Atypical 2 Cys R type.

Health Inequalities Among Korean Employees

  • Choi, Eunsuk
    • Safety and Health at Work
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    • v.8 no.4
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    • pp.371-377
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    • 2017
  • Background: Social status might be a determinant of occupational health inequalities. This study analyzed the effects of social status on both work environments and health outcomes. Methods: The study sample consisted of 27,598 wage employees aged 15 years and older from among the Korean Working Condition Survey participants in 2011. Work environments included atypical work, physical risks, ergonomic risks, work demands, work autonomy, social supports, and job rewards. Health outcomes comprised general health, health and safety at risk because of work, the World Health Organization-5 Well-being Index, work-related musculoskeletal disease, and work-related injury. Multivariable logistic-regression models were used to identify the associations between social status and work environments and health outcomes. Results: Employees in the demographically vulnerable group had lower occupational status compared with their counterparts. Low social status was largely related to adverse work environments. Especially, precarious employment and manual labor occupation were associated with both adverse work environments and poor health outcomes. Conclusion: Precarious and manual workers should take precedence in occupational health equity policies and interventions. Their cumulative vulnerability, which is connected to demographics, occupational status, adverse work environments, or poor health outcomes, can be improved through a multilevel approach such as labor market, organizations, and individual goals.

Ultrasonographic Evaluation of an Atypical De Quervain's Disease - A Case Report - (초음파를 이용하여 진단한 비전형적 De Quervain씨 병 - 1례 보고 -)

  • Koh, In-Jun;Kim, Jung-Man;Song, Chol
    • The Journal of Korean Orthopaedic Ultrasound Society
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    • v.1 no.2
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    • pp.91-93
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    • 2008
  • De Quervain's disease is a stenosing tenosynovitis that affects the synovial sheath of the tendons of the abductor pollicis longus and extensor pollicis brevis; it can be considered a work-related disease, since it frequently is associated with highly repetitive movements in jobs using the hands. The usual sign and symptom of de Quervain's diseases are positive Finkelstein's sign and pain and tenderness around the radial styloid process. The majority of de Quervain's disease has a good results to conservative treatment, but surgery can be performed in case of recurrence or pain last more than 6 months without improvement in spite of conservative treatment. We diagnosed a patient with atypical de Quervain's disease by ultrasonography, treated by local steroid injection and pain was relieved. We report a case of atypical de Quervain's disease evaluated by ultrasonography with brief of literatures.

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Lymphoepithelial Carcinoma of the Parotid Gland, Mimicking Malignancy of Unknown Origin(MUO) in the Head and Neck (원발미상암으로 오인된 이하선 림프상피암종)

  • Park, Jun Oh;Jang, Jeon Yeob;Ko, Young-Hyeh;Jeong, Han-Sin
    • Korean Journal of Head & Neck Oncology
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    • v.29 no.2
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    • pp.71-74
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    • 2013
  • Neck mass is a common manifestation from head and neck malignancy, most of which come from mucosal squamous cell carcinomas in the upper aero-digestive tract. However, once aspiration cytology suggests atypical malignant cells in the neck mass rather than metastatic squamous cell carcinomas, it is confusing to decide the adequate diagnostic work-ups and treatment planning. Here, we report a 29-year-old woman presenting with a growing neck mass mimicking malignancy of unknown origin, which was finally diagnosed as primary lymphoepithelial carcinoma in the parotid gland with multiple metastases to the lymph nodes. The patient underwent comprehensive neck dissection and total parotidectomy and the adjuvant radiation treatment was given. Our report highlight that the primary salivary gland cancer should be considered as the potential tumor origin in case of malignancy of unknown origin in the head and neck region and neck mass suggestive of atypical carcinomas.

Factors Influencing Depressive Symptoms in Public and Private Sector Employees (공공 및 민간 부문 종사 근로자의 우울증상에 영향을 미치는 요인)

  • Lee, Hae Joon;Kim, Eun Young
    • Korean Journal of Occupational Health Nursing
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    • v.28 no.4
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    • pp.242-252
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    • 2019
  • Purpose: This study aimed to identify factors influencing depressive symptoms in public and private sector employees. Methods: Survey data on 23,602 workers who had worked in the public or private sector were obtained from the 2014 Korean Working Condition Survey (KWCS). Symptoms of depression were measured using the WHO-5 Well-being Index. Data were analyzed using a $x^2$ test, t-test, and multivariate stepwise logistic regression to determine the factors affecting the symptoms of depression. Results: First, the prevalence of depressive symptoms was 41.1 % in public sector employees and 43.4 % in private sector employees. Second, the factors commonly affecting depressive symptoms in public and private sector employees were residence area, cognitive demands, development opportunities, social support from colleagues, social support from supervisors, social community at work, job rewards, and work-family conflict. In addition, age, company size, atypical work, ergonomic risks, quantitative demands, emotional demands, influence, and job insecurity were found to be predictors of depressive symptoms unique to private sector employees. Conclusion: Mental health programs including the employee assistance program (EAP) should be developed and implemented after considering the risk factors affecting depressive symptoms.

Effect of Trunk Flexion and Low Extremity Posture on Maximum Holding Time (허리굽힘과 다리자세가 작업지속시간에 미치는 영향에 관한 연구)

  • Lee, Se-Jung;Chang, Seong-Rok
    • Journal of the Korean Society of Safety
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    • v.26 no.3
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    • pp.69-74
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    • 2011
  • Despite most of tasks in manufacturing, construction and agriculture, etc., were currently mechanized and automated, manual materials handling still existed in atypical working condition. In case of manual materials handling, repetitive work, inappropriate working posture, excessive force, contact stress might cause overload, which could lead to work-related musculoskeletal disorders and low back pains. On this basis, the goal of this study is to reveal the effects of various lifting postures of trunk angles and lower extremity postures on maximum holding time(MHT). Twenty two subjects were recruited from a university population. The experiment was designed by a combination of three trunk angle ($0^{\circ}$, $20^{\circ}$, $60^{\circ}$) and three lower extremity postures(straight, bent, kneeling). Before experimental trials, subjects performed MVC(maximum voluntary contraction) exertions in three trunk angles ($0^{\circ}$, $20^{\circ}$, $60^{\circ}$) to calculate 30%MVC at designated postures. In each trial, they were required to hold the handheld load(30%MVC) for a designated posture as long as they could. The results of MVC by trunk angles were measured in $0^{\circ}$ > $20^{\circ}$ > $60^{\circ}$ orders, but those of MHT measured in $20^{\circ}$ > $0^{\circ}$ > $60^{\circ}$ orders. These results showed that straight posture is the ideal working posture in work exerted a strong force for a short time, but the ability to work might be improved in the trunk angle $20^{\circ}$ in work required 30%MVC for a long time. Also, results of MVC and MHT by lower extremity postures measured in straight > bent > kneeling orders.