• 제목/요약/키워드: risk categories

검색결과 473건 처리시간 0.024초

한국의 대심도 터널 지반 위험인자로서 암석과 지질구조 (Geologic Structure and Rocks as Geotechnical Risk Factors at Intermediate depth Tunneling in Korea)

  • 임명혁
    • 문화기술의 융합
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    • 제8권3호
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    • pp.551-557
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    • 2022
  • 대심도 지하 터널 공사에서 마주치는 지반공학적 위험인자는 다양하며, 심도와 한국의 지역적 지질특성에 따라 위험인자의 종류와 기준이 다르다. 도심 지하 복합 지반의 다양한 다공질의 특성을 보이는 지질의 특성 및 지질구조가 안전성에 미치는 영향을 이해하기위해 국내외 사례를 바탕으로 한국의 대심도 암반의 위험 인자를 분석하였다. 연구 결과 대심도 터널지반의 안정성에 영향을 주는 7개의 카테고리들 즉, 지질구조, 암반특성, 수리지질, Overburden, 높은 응력, 지반특성 및 인공 구조물과 약 20 여개의 위험인자들이 도출 되었다. 위험인자들 중 가장 영향력이 큰 단층, 습곡, 암맥 및 암석 종류에 따른 위험기준 및 위험산정을 위한 구간 값을 제시한다. 다른 인자들의 기준과 구간 값은 연구 중에 있다.

Seroreactivity to Q Fever Among Slaughterhouse Workers in South Korea

  • Chu, Hyuk;Yoo, Seok-Ju;Hwang, Kyu-Jam;Lim, Hyun-Sul;Lee, Kwan;Park, Mi-Yeoun
    • Journal of Preventive Medicine and Public Health
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    • 제50권3호
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    • pp.195-200
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    • 2017
  • Objectives: Q fever is a zoonotic disease that occurs worldwide; however, little is known about its prevalence in South Korea. We attempted to determine the prevalence of Q fever seroreactivity among Korean slaughterhouse workers and the risk factors for seroreactivity according to the type of work. Methods: The study was conducted among 1503 workers at a total of 73 slaughterhouses and 62 residual-product disposal plants. During the study period, sites were visited and surveys were administered to employees involved in slaughterhouse work, and serological tests were performed on blood samples by indirect immunofluorescence assays. Serological samples were grouped by job classification into those of slaughter workers, residual-product handlers, inspectors and inspection assistants, and grading testers and testing assistants. Employee risk factors were analyzed according to the type of work. Results: Out of 1481 study subjects who provided a blood sample, 151 (10.2%) showed reactive antibodies. When these results were analyzed in accordance with the type of work, the result of slaughter workers (11.3%) was similar to the result of residual-product handlers (11.4%), and the result of inspectors and assistants (5.3%) was similar to the result of grading testers and assistants (5.4%). Among those who answered in the affirmative to the survey question, "Has there been frequent contact between cattle blood and your mouth while working?" the proportions were 13.4 and 4.6%, respectively, and this was identified as a risk factor that significantly varied between job categories among slaughterhouse workers. Conclusions: This study found a Q fever seroreactivity rate of 10.2% for slaughterhouse workers, who are known to be a high-risk population. Contact with cattle blood around the mouth while working was the differential risk factor between job categories among slaughterhouse workers.

우리나라 대학생의 음주행태 심층조사 (College Alcohol Study for Alcohol-Related Behaviors and Problems)

  • 주영준;오소연;박상익;이혜자;유민규;박은철
    • 보건행정학회지
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    • 제29권1호
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    • pp.58-67
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    • 2019
  • Background: In this study, we aimed to investigate the drinking behaviors and drinking-related problems of college students in South Korea to produce national alcohol statistics. Methods: We carefully examined the questionnaires and previous research developed in the previous research project and selected questions that reflect the special environment and culture of college students. In order to stratify a nationally representative sample of college students, the distribution of students around the country were found through the educational statistics database of the Korea Educational Development Institute. Based on this information, we conducted a survey in collaboration with Gallup (Korea) to survey and analyze the drinking behaviors of 5,024 Korean students. Results: A nationwide cross-sectional survey was conducted in 2017, for Korean college students. A total of 5,024 students were recruited and analyzed. The monthly drinking rate was 78.0% for male students and 72.9% for female students. The high-risk drinking rate was 23.3% for male students and 17.2% for female students. The most popular category for number of drinks per drinking session was 'more than 10 glasses' per drinking session for both male (44.1%) and female (32.8%). On the alcohol use disorders identification test, the greatest proportion of male students were in the high-risk drinking category (score 8 to 15) 43.8%, followed by the 'low-risk drinking' (score 0 to 7) in 43.6%, 'alcohol abuse' (score 16 to 19) 7.2%, and 'alcohol dependence' (greater than 20) 5.4% categories, respectively. For female students, the greatest proportion of female students were in the 'low-risk drinking' in 49.6%, followed by 'high-risk drinking' 37.1%, 'alcohol abuse' 8.4%, and 'alcohol dependence' 4.9% categories, respectively. Conclusion: The results of the study showed that the drinking behavior of Korean college students was excessive. Overall, it was found that the college population has a greater high-risk drinking behaviors than general adult population. Furthermore, these problem drinking behaviors were prominent among female college students. Results from the present study suggest that it is necessary to monitor the drinking behavior of college students with constant interest and to prepare policies and strategies suitable for these circumstances.

지역단위 화재 위험도 저감의 고양시 경제적 파급효과 분석 (Analyzing The Economic Impact of The Fire Risk Reduction at Regional Level in Goyang City)

  • 손민수;조동인;박창근;고현아;정승현
    • 한국산학기술학회논문지
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    • 제22권2호
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    • pp.685-693
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    • 2021
  • 본 연구에서는 '전국GIS건물통합정보표준데이터'의 건축물 공간정보 자료를 활용하여 고양시 지역단위의 화재발생 위험도를 산출하고 화재발생 확률에 따른 산업별 경제적 피해를 분석하였다. 분석의 편의상 공간적 범위는 경기도 고양시로 제한하였고, 지역 단위별로 동일한 화재위험 감소율을 적용하였다. 먼저, 지역별 화재 위험도를 평가하기 위해 건축물 공간정보 자료를 이용하여, DB 구축, 지표 설정, 공간 분석의 과정을 거쳐 표준화된 화재 발생 가능성을 도출하였다. 다음으로 한국은행 산업 연관표 대분류 30개 산업구분과 고양시 사업체조사 20개 산업구분과 매칭하여 고양시 산업연관표를 생성하였다. 최종적으로 화재 위험에 따른 고양시의 산업별 경제적 피해 산출은 고양시 산업연관표와 화재발생 가능성을 결합하여 산출하였다. 화재로 인한 6개월 생산 불가와 영업 손실이라는 기본 시나리오를 설정하여 공급모형을 기반으로 분석하였다. 분석결과, 일산동구, 일산서구, 덕양구의 순으로 경제적 피해가 큰 것으로 나타났고, 산업별로는 '전기, 가스, 증기 및 수도사업'이 가장 큰 손실이 발생하는 것으로 나타났다. 공간과 산업적인 측면에서 일산서구의 '전기, 가스, 증기 및 수도사업' 손실이 전체의 약 60% 비중을 차지하였다.

일부 환경 전문가들의 환경 위해성 인식도에 관한 연구 (A Study on the Environmental Professionals′ Risk Perception towards Some Pollution Issues)

  • 신동천;박종연;임영욱;김진용;장은아;박성은
    • Environmental Analysis Health and Toxicology
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    • 제14권4호
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    • pp.175-187
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    • 1999
  • To investigate the risk perception of environmental issues, two consequtive surveys were conducted to environmental professionals using a standardized questionnaire from September to October in 1999. The number of subjects were 72 for the first survey and 68 for the second one. The questionnaire was consisted of items such as the degree of environmental pollution in Korea, risk perception of some issues on human health and ecosystem, and seriousness of the problems in the real situation in Korea. For the degree of environmental pollution in Korea, the average risk rating in the second test (7.4 point) was significantly higher than that in the first test (7.2 point). The risk perception on the general human health and ecosystem, and the seriousness in Korea situation were analyzed in the order of ′air pollution′, ′water pollution′,′soil contamination′,′waste′,′toxic chemical pollutants′,′food contamination′,′ocean contamination′, ′odor pollution′, and ′noise pollution′. Also ′toxic chemical pollutants′ problem was perceived to be the highest risk on general human health or ecosystem, and on present situation in Korea. ′Automotive vehicle exhaust′ problem was perceived to be the most severe environmental problems among specific 30 items. ′Industrial source air pollution′,′toxic air pollutants′, and ′domestic and industrial source pollutants to surface water′ were relatively severe environmental problems comparing to other problems. The pollution issues were classified into four categories by two aspects of perception; risk in general setting and seriousness in Korea situation. If the issues were highly serious in Korea and low risk perception in general setting then it is named "the Korea-specific group". Those that were all high score in two aspects, named "the Common group". Those that were all low in two aspects, named "the Nonsignificant group". And the issues were high risk perception in general setting and low seriousness in Korean situation, named "the Latent group".

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도시지역 주민의 관상동맥질환 위험인자에 관련한 비만지표의 유용성 검토 (The Usefulness of Obesity Indices for the Coronary Risk Factors in an Urban Inhabitants)

  • 박승경;김광환;조영채
    • Journal of Preventive Medicine and Public Health
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    • 제39권6호
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    • pp.447-454
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    • 2006
  • Objectives : To determine obesity for the screening of individuals at high risk of coronary heart disease in urban areas. Methods : Data were obtained from 4,137 adults between 19 and 85 years of age (2,372 males, 1,765 females), not recognized as taking medicines for cardiovascular diseases, who underwent a health check-up at the health promotion center of university hospitals in cities between Jan. 2003 and Dec. 2004. The variables studied were divided into two broad categories, and their relationships examined. obesity indices and risk factors for coronary heart disease. To reveal the relation between each of the obesity indices and the proportion of individuals at risk of coronary heart disease, the obesity indices were stratified and odds ratios obtained after age adjustment. Results : From a gender comparison of anthropometric measures, men were found to have significantly greater heights, weights, and waist and hip circumferences than women. From a gender comparison by the obesity indices, women were found to have significantly higher BMI, %Fat, waist to hip and waist to stature ratios than men. As obesity indices, the waist to stature ratio and the waist circumference were strongly correlated with coronary risk factors, both in men and women. The age-adjusted odds ratio of coronary risk factors increased significantly with increasing waist circumference, BMI, %fat, waist to hip and waist to stature ratios, and were highest specifically for the waist to stature ratio and the waist circumference. Conclusions : The study results showed that the waist to stature ratio and the waist circumference, as obesity indices, were most closely correlated with coronary risk factors. It is suggested that the waist to stature ratio and, specifically, the waist circumference can be effectively used in the field of health management for screening those with high levels of coronary risk factors.

Gastrointestinal Stromal Tumors: A Clinicopathologic and Risk Stratification Study of 255 Cases from Pakistan and Review of Literature

  • Din, Nasir Ud;Ahmad, Zubair;Arshad, Huma;Idrees, Romana;Kayani, Naila
    • Asian Pacific Journal of Cancer Prevention
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    • 제16권12호
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    • pp.4873-4880
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    • 2015
  • Purpose: To describe the clinicopathological features of gastrointestinal stromal tumors (GIST) diagnosed in our section and to perform risk stratification of our cases by assigning them to specific risk categories and groups for disease progression based on proposals by Fletcher et al and Miettinen and Lasota. Materials and Results: We retrieved 255 cases of GIST diagnosed between 2003 and 2014. Over 59% were male. The age range was 16 to 83 years with a mean of 51 years. Over 70% occurred between 40 and 70 years of age. Average diameter of tumors was 10 cms. The stomach was the most common site accounting for about 40%. EGISTs constituted about 16%. On histologic examination, spindle cell morphology was seen in almost of 85% cases. CD117 was the most useful immunohistochemical antibody, positive in 98%. Risk stratification was possible for 220 cases. Based on Fletcher's consensus proposal, 62.3 gastric, 81.8% duodenal, 68% small intestinal, 72% colorectal and 89% EGISTs were assigned to the high risk category; while based on Miettinen and Lasota's algorithm, about 48% gastric, 100% duodenal, 76% small intestinal, 100% colorectal and 100% EGISTs in our study were associated with high risk for disease progression, tumor metastasis and tumor related death. Follow up was available in 95 patients; 26 were dead and 69 alive at follow up. Most of the patients who died had high risk disease and on average death occurred just a few months to a maximum of one to two years after initial surgical resection. Conclusions: Epidemiological and morphologic findings in our study were similar to international published data. The majority of cases in our study belonged to the high risk category.

제조사업장의 안전규정 위반요인에 대한 정성적 연구 (A Qualitative Study on Safety Rule Violation Motives at Manufacturing Plants)

  • 홍인기;백종배
    • 한국안전학회지
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    • 제31권2호
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    • pp.133-142
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    • 2016
  • The purpose of this study was to investigate the factors that influence safety rule violation at work. Semi-structured interviews were conducted with 337 participants from nine manufacturing plants. The results of the content analysis revealed the following six categories: Individual characteristics, safety commitment, safety support and resources, safety competence and communication, production pressure, and problems with rules. Among the 14 factors in the six categories above, indirect accident experience in the individual characteristics category and no action for complying with laws in the problems with rules category had not been identified in previous studies. However, some factors, such as age, peer pressure, pay type, the lowering of risk, a masculine way of working, and supervisor position were not found in this study. The implications and limitations are discussed.

College Students' Thoughts on Family Participated delivery

  • Kim, Jungae
    • International Journal of Advanced Culture Technology
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    • 제9권2호
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    • pp.39-46
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    • 2021
  • This study wanted to find out what college students thought about family participated delivery and what concerns they had. To this end, eight college students aged 20 to 25 were interviewed three times. The data collection period was from March 20 to April 10, 2021. Interview materials were collected and interpreted simultaneously using the Giorgi method, a phenomenological research method. As a result of the analysis, 29 semantic units were derived, 12 subcomponents were grouped again, and five categories were formed as final components. The five categories of thoughts on the participated delivery of college students consisted of Responsibility, Happiness, Stability, Shame, and Anxiety. Based on the above meaning, college students were found to be comfortable with their families and to be more comfortable with birth happiness, while also feeling the risk of infection and shame as women. Accordingly, this study suggests that when participating in the delivery of family participation of college students who will be future parents, a systematic protocol will be established to thoroughly prepare for infection and protect women's privacy.

SEC와 FCB골격 의 통합적 접근방법을 통한 중소기업 제품군의 인터넷 판매 적합성에 대한 연구 (The Study on the On-line Sales Fitness of Small-sized Companies' Product Categories by the Integration of SEC and FCB Framework)

  • 박성용
    • 마케팅과학연구
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    • 제16권3호
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    • pp.169-189
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    • 2006
  • 인터넷기술의 발달과 소비자의 인터넷 사용 증가로 온라인에서 팔랄 수 있는 제품군은 확장되고 있다. 흥미로운 문제는 어떤 제품군이 온라인에서 판매될 가능성이 있는가에 대한 문제보다, 제품군에 대한 브랜드 역할이 주요한 역할을 할 때, 온라인 판매 가능성이 있는가에 대한 문제이다. 특히, 중소기업제품은 대기업 제품과 달리 오프라인 유통점포에서의 취급도도 낮고, 브랜드 인지도도 떨어지고, 가격대비 품질에 대한 소비자들의 지각에서도 많은 편차가 존재하고, 구매위험도 많이 느낄 가능성도 높다. 온라인 쇼핑은 유통력 및 브랜드력이 상대적으로 약한 중소기업들에게는 기회가 될 가능성이 높으므로, 중소기업제품군의 온라인 판매가능성의 적합성율 평가하는 것은 중요하다. SEC골격 은 어떤 제품군이 온라인에서 판매될 가능성이 높은가에 대한 연구를 위해 이용되어졌고, FCB골격은 관여도와 이성/감성적 측면을 고려하여 제품군을 구분하는데 사용되어져왔다. 특히 SEC와 FCB골격과 관련된 문제이지만, 고려되지 않았던 측면이 브랜드 역할이라고 할 수 있다. 제품군의 인터넷 판매가능성을 조사하기 위해서는 SEC골격 과 FCB골격뿐만 아니라 인터넷 쇼핑의 장단점과 브랜드의 역할을 통합하는 것이 필요하다. 이 논문에서는 SEC와 FCB등의 이론적 골격과 주요요인들을 통합하는 접근 방법을 토대로 이론적인 골격을 만들고 이를 바탕으로 실증적 분석을 실시함으로써 제품군들의 온라인판매 적합성을 조사한다. 총 17개 제품군에 대한 온라인 판매 적합성에 대한 실증조사는 SEC와 FCB골격, 온라인 쇼핑의 장단점, 브랜드 관련 요인들이 전체적으로 연관되어 있음을 보여준다. 기존의 연구처럼 제품군의 특성에 따른 SEC와 온라인 판매적합성은 아주 분명하게 드러나는 것은 아니므로 독립된 골격에서 보다, 상호 의존된 골격 내에서 제품군의 구매의도 및 온라인 판매 적합성을 고려한다. 즉 제품군을 통합된 골격 내에서 정의한 후에 중소기업 제품군의 구매의도 및 온라인 적합성을 평가하는 것이 필요함을 보여준다.

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