• Title/Summary/Keyword: occupational factor

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Analysis Techniques for Accident Causes of Subcontract Work at Construction Site (전문 건설공사 재해원인 분석 기법에 관한 연구)

  • Son, Ki-Sang;Rhee, Kyung-Yong;Gal, Won-Mo
    • Journal of the Korean Society of Safety
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    • v.24 no.5
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    • pp.34-42
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    • 2009
  • There are many accident causes related to even an accident. As well four(4) stepped causes of one accident at construction sites are analyzed in the study. First, eleven(11) cause factors are set up at each step such as policy level, management, indirect, direct level which are discussed and determined by field experts with 15year experience or more. Therefore, one direct cause occurred in construction site can be connected to the previous cause than in direct and management, and policy problem of previous management. These questionnaires results are analyzed with three different methods such as weighing level by Delphi technique, correlation analysis, critical pass method. Three different methods show their characteristic to see which subcontract work is more dangerous or not. Subcontract or at a construction site can be use the above three different cases as they need at their site in order to make more effective countermeasures.

Assessment for Ingredients and Amount of Radiofrequency Electromagnetic Field Exposure for Indoor Environment in an Institution for the Aged of Downtown (도심지역 노인복지시설 실내 환경에 대한 RF 전자파 노출량의 정성.정량 평가에 관한 연구)

  • Choi, Jung-Hun;Kim, Nam;Hong, Seung-Cheol;Kim, Yoon-Shin;Choi, Sung-Ho
    • Journal of Environmental Health Sciences
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    • v.32 no.4 s.91
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    • pp.268-274
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    • 2006
  • In this study in order to evaluate the growth of RF propagation exposure rate generated according to the enhancement of its use, it is proposed for the ground to be able to examine and to contemplate the correlation between the human health and RF propagation exposure rate by measuring and analyzing the RF exposure source and exposure rate in an indoor environment. As a result of research, it is analyzed that the main exposure source of critically making effect in indoor environment is the frequency hand if radio broadcasting, mobile communication, wireless LAN, digital broadcasting, home appliance, etc., including the TV broadcasting. Among these, it is shown that the TV broadcasting and mobile communication band are the highest. And it is the concluded that RF exposure rate of the environmental sensitive equipment, like an institution for the aged, has lower possibility to exceed the human RF protection criteria by this evaluation.

The Prediction Factor on Organizational Commitment of the Nurse (간호사의 조직몰입 예측요인)

  • Moon, Sook-Ja;Han, Sang-Sook
    • The Journal of Korean Academic Society of Nursing Education
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    • v.15 no.1
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    • pp.72-80
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    • 2009
  • Purpose: This study was designed to identify the prediction factors that influence nurses' organizational commitment. Method: The sample of this study consisted of 526 full-time nurses randomly picked at 19 general hospitals in Korea. The data was analyzed by computer using SPSS 15.0 for Pearson's correlation coefficient, and multiple regression analysis. Result: 1) According to general characteristics, nurses' organizational commitment levels among the sample were significantly different in age, religion, social status, marital status, clinical career, and department satisfaction. 2) Level of nurses' organizational commitment was average 2.70, job satisfaction 2.91, burnout 3.03, empowerment 3.36, autonomy 2.93, and self-efficacy 3.51. 3) Nurses' organizational commitment had significant positive correlations with job satisfaction, empowerment, self-regulation, social support, self-efficacy, clinical career, and personnel movement experience. On the other hand, it had significant negative correlations with occupational stress, burnout, and age. 4) The prediction factors which influence Nurses' organizational commitment were job satisfaction($\beta$=.405), burnout($\beta$=-.282), self-regulation($\beta$=.171), clinical career($\beta$=.135). These factors were approximately 49.6% reliable in explaining nurses' organizational commitment. Conclusion: These results can be used to develop hospitals' management strategies for increasing organizational commitment effectiveness and nursing productivity.

General Characteristics and Psychological and Environmental Factors Related to Successful Weight Reduction Programs in Obese Premenopausal Women (폐경 전 비만 여성들의 체중 감량 프로그램의 성공도와 관련된 일반적 특성과 심리 및 환경 요인 분석)

  • Kim, Sang-Yeon
    • Journal of the East Asian Society of Dietary Life
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    • v.17 no.5
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    • pp.634-643
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    • 2007
  • This study was performed to develop a tailored multi-disciplinary obesity management program, as well as an obesity assessment sheet identified the general characteristics and psychological and environmental factors related to weight loss success for obese premenopausal women participating in obesity management programs performed at weight reduction health centers. The results are as follows. The primary general characteristics related to successful weight reduction in the obesity management programs were education level, occupational status, reason for obesity onset, aids used in weight control, basis of frequency, and reason for weight reduction. The initial psychological factors related to successful weight reduction were less stress and disordered eating. The initial environmental factors included an expression of ones opinion and the eating environment. Animal protein and animal fat consumption were significantly less in the unsuccessful group than in those who were unsuccessful at weight loss. The consumption of crude fiber was significantly greater in the successful group than in the unsuccessful group. Psychological factors such as stress, depression, and disordered eating, and the environmental factor of eating environment were significantly better in the successful group than in the unsuccessful group. In conclusion, we have found evidence to suggest what is required in determining the types of programs most suitable for obese women prior to starting an obesity management program.

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Staged excision of basal cell carcinoma arising from a tattooed eyebrow

  • Han, Song Hyun;Jo, Dong In;Kim, Soon Heum
    • Archives of Craniofacial Surgery
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    • v.21 no.5
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    • pp.315-318
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    • 2020
  • Side effects of tattoos can occur due to unexpected body responses. Concerns about the side effects of tattoos are growing concomitantly with the increasing number of tattooed individuals. We report a rare case of basal cell carcinoma (BCC) on a tattooed eyebrow. A 48-year-old woman with no family history or occupational risk of skin cancer had her eyebrows tattooed 6 years prior, and she noticed a black mass on her right eyebrow 1 year before presentation. Staged excision was planned due to the patient's reluctance regarding the possibility of a wide scar. After the first surgical procedure, a histopathological examination confirmed BCC. Wide excision and primary closure were performed for remnant BCC, and no recurrence was observed. The mechanism of skin neoplasms involving tattoos has not been clearly identified. Unapproved tattoo inks contain carcinogenic substances, and previous case reports indicate that skin neoplasms may differ depending on the tattoo color. Therefore, the carcinogenic effects of these unknown components of tattoo ink might cause skin neoplasms. Accurate component analysis and systematic management of tattoo ink is necessary, and medical practitioners must also pay attention to this possibility because it is easy to overlook tattoos as a causal factor contributing to cancer.

A Study on the Effect of Concrete Pole Foundation on Ground Resistance Measurement (전주의 구조체접지효과가 접지저항 측정에 미치는 영향 연구)

  • Choi, J.K.;Ryu, H.Y.;Kang, M.H.;Hwang, G.C.;Shim, K.B.;Lee, H.S.;Kim, K.C.
    • Proceedings of the KIEE Conference
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    • 2008.07a
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    • pp.464-465
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    • 2008
  • Concrete poles(CP) are popular supports for distribution lines. Various types of grounding electrode, such as copper-clad rods, have been used to maintain CP's ground resistance under the required value. The buried part of CP can also have structural grounding effect because of its iron reinforcing rods inside CPs. In this paper, we measured the total ground current injected into CP ground while measuring the ground current splitting to the metal electrode as well as the total injecting current. By this, it was able to measure the ground current splitting to CP structure. Based on the measured results, interrelationship between ground resistance of metal electrodes and current split factor to CP structure was analyzed.

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A Study on the P.S.M. system for the Construction Safety (건설안전을 위한 P.S.M. 기법에 관한 연구)

  • Lee, Song;Son, Gi-Sang;Choi, Won-Il;Oh, Tae-Sang;Chae, Jum-Sik
    • Journal of the Korean Society of Safety
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    • v.15 no.4
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    • pp.101-111
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    • 2000
  • In order to introduce P.S.M. system adequate to domestic construction first, many cases similar to advanced foreign P.S.M. system have been collected and compared to the domestic situation. Then, the current safety management status of bridges, subways, apartment and office building construction are investigated while visiting interview, using questionnaire at site have being done. The potential hazard and measurement have been investigated for each kind of works, and the domestic introducing method of P.S.M. system is analyzed with expert discussion. In order to represent how to make out P.S.M. plan, the questionnaire is made out using each five place for bridge, subways, apartment and office building. As the weight factor for potential hazard of each work obtained from more than forty site places, is produced and shown. Also, a direction the recommendation is suggested to improve tool in each construction site with work schedule. It is thought that proposed schedule contributed to keeping in safe business administration of each company in decreasing many effort at the construction site.

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Low Back Pain and Related Factors in Bus Drivers (일부 버스 운전기사의 요통경첩 및 관련요인)

  • Yi Seung-Ju;Cha Sang-Eun
    • The Journal of Korean Physical Therapy
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    • v.12 no.3
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    • pp.331-338
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    • 2000
  • Objectives: The objective of this study was to investigate the experience and point prevalence rate and factors related with Low Back Pain (LBP) in bin drivers. Methods: Questionnaires were completed by 200 drivers at 2 bus companies in Andong city in October.2000. The information was used to estimate odds ratio (OR) and $99\%$ confidence intervals (CI) for factors relation to LBP. A cross-section study design was used. Results: The experience rate for LBP was $53.5\%$, point prevalence rate was $31.5\%$. Variables significantly associated with LBP experience were employ duration and stress related occupation. The higher subjects had experienced stress. the higher experience for LBP was (OR=2.9, $95\%$ Cl 1.2-7.2). The longer subjects had employ duration in bus company, the higher experience far LBP was (OR=1.3, $95\%$ Cl 1.2-7.2). Significant factors relation to a week point prevalence far LBP were obesity and employ duration. LBP increased as weight increased (OR=4.1, Cl 1.6-10.7). The longer subjects has employ duration at bus company, the higher LBP is (OR=1.4. $95\%$ Cl 1.6-2.9). Conclusions: Results from this study indicated that a statistically significant factor relation to LBP was stress related occupation. employ duration, and obesity.

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Relationship between Job Stress and Self-esteem of Physical Therapists (물리치료사의 자아존중감과 직무스트레스의 상관관계)

  • Ro, Hyo-Lyun
    • The Journal of Korean Physical Therapy
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    • v.22 no.1
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    • pp.83-90
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    • 2010
  • Purpose: This study aimed to determine the degree of job stress and self-esteem of physical therapists as well as the correlation between the two variables. Method: This study targeted 218 physical therapists of Busan City, and was carried out from July 16 to August 6, 2009 as survey research. A structured questionnaire referring to advance researches was used as a research tool. Job stress symptoms were measured one a 5 point scale, the higher the point total, the higher the job stress. Self-esteem was measured on a 4 point scale, the higher the point total, the lower the self-esteem. After data collection we determined descriptive statistics, and did reliability analysis, factor analysis, Spearman's correlation analysis, and regression analysis. Results: Reliability analysis indicated that reliability for the job stress questionnaire was 0.93 and for the self-esteem was 0.83. The average job stress score of physical therapists was 1.19 points which was not high. The average self-esteem score was 1.76 points, whichwas high. It appeared that the higher the self-esteem, the lower the job stress. Also, self-esteem had an influence on psychological symptoms among job stress factors. Conclusion: Job stress and self-esteem of physical therapists are well-correlated and influence each other. Accordingly, self-esteem can be used as a variable for adjusting job stress of physical therapists.

Reliability on Banana Oil Qualitative Fit Test for Quarter Mask (1/4 형 마스크에 대한 Banana Oil 밀착도 검사(QLFT)의 신뢰성)

  • Han, Don-Hee;Jeong, Yoon-Sok
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.9 no.2
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    • pp.79-89
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    • 1999
  • A quantitative fit test, condensation nuclei counting (Portacount 8025, TSI), was performed concurrently with a banana oil (isoamyl acetate: IAA) qualitative fit test (MSA) to evaluate reliability on IAA QLFT and correlation between two methods. One brands of quarter mask (3M model 7500 medium) was prepared for QLFT with HEPA filter and gas & vapor removing media, i.e., combination cartridge. 110 subjects (65 male, 45 female) were fit tested QNFT and QLFT each three times. For a wearer combination having a FF<10, as determined by CNC QNFT, the point es timate (${\beta}$-error) of the probability of that combination not being rejected by the banana oil QLFT was found to be 0.0 with 95% confidence that this statistic is not expected to exceed 0.15. For a wearer combination having a FF<100, as determined by CNC QNFT, the point estimate of the probability of that combination not being rejected by the banana oil QLFT was found to be 0.07 with 95% confidence that this statistic is not expected to exceed 0.13. The uncertainty associated with each estimate, however, is large due to the small number of study subjects with inadequately fitting respirators.

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