• Title/Summary/Keyword: Total Risk

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The Influence of Safety Climate, Safety Leadership, Workload, and Accident Experiences on Risk Perception: A Study of Korean Manufacturing Workers

  • Oah, Shezeen;Na, Rudia;Moon, Kwangsu
    • Safety and Health at Work
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    • v.9 no.4
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    • pp.427-433
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    • 2018
  • Background: The purpose of this study was to identify the influence of workers' perceived workload, accident experiences, supervisors' safety leadership, and an organization's safety climate on the cognitive and emotional risk perception. Methods: Six hundred and twenty employees in a variety of manufacturing organizations were asked to complete to a questionnaire. Among them, a total of 376 employees provided valid data for analysis. To test the hypothesis, correlation analysis and hierarchical regression analysis were used. Statistical analyses were conducted using IBM SPSS program, version 23. Results: The results indicated that workload and accident experiences have a positive influence and safety leadership and safety climate have a negative influence on the cognitive and emotional risk perception. Workload, safety leadership, and the safety climate influence perceived risk more than accident experience, especially for the emotional risk perception. Conclusion: These results indicated that multilevel factors (organization, group, and individual) play a critical role in predicting individual risk perceptions. Based on these results, therefore, to reduce risk perception related with unsafe behaviors and accidents, organizations need to conduct a variety of safety programs that enhance their safety climate beyond simple safety-related education and training. Simultaneously, it needs to seek ways to promote supervisors' safety leadership behaviors (e.g., site visits, feedback, safety communication, etc.). In addition, it is necessary to adjust work speed and amount and allocate task considering employees' skill and ability to reduce the workload for reducing risk perception.

Perceived Risk and Intention to Use Credit Cards: A Case Study in Vietnam

  • TRINH, Nam Hoang;TRAN, Ha Hong;VUONG, Quan Duc Hoang
    • The Journal of Asian Finance, Economics and Business
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    • v.8 no.4
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    • pp.949-958
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    • 2021
  • This study aims to develop a theoretical model in order to determine factors affecting consumer intention to use credit cards by combining Theory of perceived risk and Technology acceptance model. Despite of perspective of consequences in prior studies on related research fields, this study focuses on the sources of perceived risk, including transaction, payment and credit risks, which are proposed and measured in a preliminary research. A measurement model and a structural model with the presence of perceived risk in sources are tested in a formal research with data collected from 538 bank customers. An analysis results show that payment risk, usefulness, transaction risk, ease of use, and credit risk influence significantly Vietnamese consumers' intention to use credit cards in decreasing order of influence. These factors account for 64.6% of the variation in intended use. All three dimensions of perceived risk have a negative effect on the intention to use, with the total impact greater than the level of influence of the other two factors of usefulness and ease of use. These findings can be beneficial to banks in enacting policies to attract more consumers and to allocate resources for improving their credit card business.

A Study on the Hazard Factor of Packaged Hydrogen Station by Failure Mode & Effects Analysis (패키지형 수소충전소의 고장형태별 영향 분석)

  • SEO, DOO HYOUN;RHIE, KWANG WON;KIM, TAE HUN
    • Transactions of the Korean hydrogen and new energy society
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    • v.31 no.1
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    • pp.65-72
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    • 2020
  • In this study, the purpose is to identify the risks of the facilities of packaged hydrogen stations. As a risk identification method, failure mode & effect analysis (FMEA), a qualitative risk assessment, was used to analyze failure mode and effects of component of each facility. The analysis criteria were used to derive the risk priority number (RPN) using the 5-point method according to severity, incidence, and detectability. The study analyzed a total of 141 components of 23 types that can be identified on the design of the packaged hydrogen filling station. As a result, 683 types of failures and their causes and effects were identified. and the RPN was number of a total of 1,485. Of these, 10 failure types with a RPN value of 40 or more were deemed necessary. In addition, a list of failure types with a severity score of 5 was identified and analyzed.

Effect of Various Levels of Dietary Fat on Cell Proliferation of Rat Colon (식이지방의 양적 변화가 대장 상피세포 증식에 미치는 영향)

  • 이중희
    • Journal of Nutrition and Health
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    • v.32 no.4
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    • pp.394-400
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    • 1999
  • Since it has generally been considered that high-hat diets promote carcinogenesis, fat intake of less than 30% of total calories has been recommended to reduce the risk of cancer. Specific dietary guidelines for fat intake to reduce the risk of colon cancer have not yet been established. In order to determine the level of dietary fat needed the risk of colon cancer, rats were fed one of four experimental fat diets, very low(7% of total calories from corn oil, VLC), low(15% LC), medium (30%, MC), and high fat(45%, HC). Cell proliferation as an intermediate biomarker of color carcinogenesis was measured by the in vivo incorporation of bromodeoxyuridine into DNA. Fecal lipid excretion was measured by gravimetric method. As fat levels in the diet increased, fecal lipid concentrations also increased (VLC

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Seismic Risk Analysis of Quay wall Considering Effective Stress (유효응력효과를 고려한 안벽의 지진위험도 평가)

  • Kim, So Yeon;Kim, Dong Hyawn
    • Journal of Korean Society of Coastal and Ocean Engineers
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    • v.29 no.1
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    • pp.1-11
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    • 2017
  • Seismic risk analysis was performed based on the total stress and effective stress of caisson type quay wall and pier type quay wall. In order to consider the effective stress effect, the pore pressure of the ground was distributed, using Byrne(1991) simple formula to estimate parameter and applied to the finn model. Through the results of seismic risk analysis according to the total stress and effective stress analysis method, the necessity of effective stress analysis in the seismic design of the quay wall installed on the soft ground was confirmed.

Analysis of the Prevalence and Risk Factors of Malnutrition among Hospitalized Patients in Busan

  • Lee, Ha-Kyung;Choi, Hee-Sun;Son, Eun-Joo;Lyu, Eun-Soon
    • Preventive Nutrition and Food Science
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    • v.18 no.2
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    • pp.117-123
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    • 2013
  • This study investigated the prevalence of and risk factors for malnutrition in hospitalized patients in Busan, Republic of Korea. 944 patients (440 men and 504 women) were hospitalized in four Busan general hospitals from March through April, 2011. Nutritional status was assessed on admission by the Nutritional Risk Screening 2002. Data were collected from the electronic medical records system for the characteristics of the subjects, clinical outcomes, biochemical laboratory data, and nutrition support states. Clinical dietitians interviewed the patients using structured questionnaires involving data on weight loss and problems related to oral intakes. Malnourished patients were significantly older (P<0.001) than well-nourished patients, but the values for BMI, serum albumin, total cholesterol, TLC, hemoglobin, and hematocrit were significantly lower (P<0.001) for malnourished than for well-nourished patients. Logistic regression indicated that the main determinant factors for nutritional status were the age, length of stay, BMI, serum albumin, and total cholesterol. In order to increase therapeutic effects of hospitalized patients, clinical dietitians need to offer proper nutritional intervention based on the results of nutrition assessment and identification of malnutrition.

The Current State and Quality Assessment of Nursing Intervention Study in Occupational Health Nursing of Korea (국내 산업장 간호중재 연구의 현황과 질 평가)

  • Hwang, Youn Sun;Cho, Eunyoung
    • Korean Journal of Occupational Health Nursing
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    • v.28 no.1
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    • pp.21-35
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    • 2019
  • Purpose: The purpose of this study is to propose directions for the development of Occupational Health Nursing Intervention by identifying the current status and quality of Occupational Health Nursing Intervention Research in domestic industries. Methods: Between 2000 and August of 2018, total of 1,181 Occupational Health Nursing related published references were searched using 4 domestic databases, and of the total, 29 final theses that suited the requirements were analysed In this research, the quality assessment of literature that were selected as suitable was conducted using a tool for assessing the biasing risk of non-randomized studies, RoBANS(Risk of Biasing Assessment Tool for Non-randomized Study). Results: For all research, nonequivalent control group pre-posttest design was the most used as quasi-experimental designs. The effectiveness of intervention was found both in terms of physical and psychological aspects, and the result of the risk of biasing assessment showed a high risk levels in both "confounding variables" and "detection bias". Conclusion: Occupational Health Nursing Intervention have been steadily making improvements in terms of both quality and quantity, and as for more effective intervention developments that improves the physical and mental health of the workers, supplementation in strict research design and in ethical aspects deems necessary.

'Iru' Fermented with Latobacillus plantarum Significantly Reduced Cardiovascular Risks in Hypercholesterolaemic Rats

  • ATERE, Ayowole Victor;OYETAYO, Victor Olusegun;AKINYOSOYE, Felix Akinsola
    • The Korean Journal of Food & Health Convergence
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    • v.8 no.6
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    • pp.1-10
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    • 2022
  • Hypercholesterolaemia is one of the risk factors of coronary health in humans; hence this research was to investigate the effect of Parkia biglobosa seeds fermented with Lactobacillus plantarum on the cardiac risk factors of diet-induced hypercholesterolaemic Wistar rats. Hypercholesterolaemia in rats were experimentally induced and the hypercholesterolaemic Wistar rats were treated with iru samples. The total cholesterol, triglyceride, high density lipoprotein (HDL), low density lipoprotein (LDL), liver biomarkers and cardiac risks factors were determined after inducement and treatment with iru. Fourteen (14)-days after inducement, the rats in the group induced had the highest weight of 112.40 g while the control group had 94.30 g. The total cholesterol (TC) in the induced group was 100.80 mg/dl while the control had 51.40 mg/dl, triglyceride (TG) in the induced group was 111.75 mg/dl while the control group had 68.45 mg/dl. After 28 days of treatment, the group treated with fermented samples showed a reduction in the TC (100.80 to 56.99 mg/dl), Triglyceride (111.75 to 32.53 mg/dl), LDL (49.48 to 6.65 mg/dl), cardiac risk ratio (3.36 to 1.28), atherogenic coefficient (3.13-0.29) and atherogenic index (0.57 to 0.11). The result from this study reveals that fermented Parkia biglobosa sample reduced the cardiac risk of rats significantly.

Effect of rheumatoid arthritis on primary total knee arthroplasty and revision arthroplasty (류마티스관절염이 슬관절치환술과 슬관절재치환술에 미치는 영향)

  • Wooseong Jeong;Oh-Sung Kwon;Sung Wook Song
    • Journal of Medicine and Life Science
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    • v.20 no.1
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    • pp.32-37
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    • 2023
  • The demand for total knee arthroplasty (TKA) is rapidly increasing worldwide. The most common indication for TKA is osteoarthritis (OA); however, some patients with rheumatoid arthritis (RA) also undergo TKA. This study aimed to investigate the effects of RA on TKA. Our findings revealed that patients with RA underwent TKA at a younger age than did patients with OA. However, contrary to the findings of pre-21st century studies, the average age of TKA among patients with RA was not significantly different from that of patients with OA. Additionally, patients with RA had a 1.5-fold higher risk of undergoing TKA. Although not statistically significant, patients with RA had a higher revision TKA rate, a shorter time until revision TKA, and underwent more revision TKAs due to infections than did patients with OA. An analysis of factors that affect revision TKA revealed that the risk of revision increased if the erythrocyte sedimentation rate and C-reactive protein levels were increased at the time of TKA. This study showed that patients with RA have a slightly higher risk of undergoing TKA than did patients with OA. Furthermore, the presence of inflammation at the time of TKA increases the risk of revision; therefore, inflammation should be adequately controlled before performing TKA.

Evaluation of the Prediction of B-RISK-FDS-Coupled Simulations for Multi-Combustible Fire Behavior in a Compartment (구획실 내 가연물들의 화재거동에 대한 B-RISK와 FDS 연계 화재 시뮬레이션 예측성능 평가)

  • Baek, Bitna;Oh, Chang Bo
    • Fire Science and Engineering
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    • v.33 no.4
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    • pp.50-58
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    • 2019
  • The prediction performance of B-RISK was evaluated for the fire behaviors of combustibles in a compartment using Fire Dynamics Simulator (FDS). First of all, to predict the heat release rate (HRR) for two combustible sets, the HRR for one combustible set and the design fire curve were used as input values for B-RISK. Comparing results of B-RISK calculations with experimental data for two combustible sets, it was found that B-RISK results predicted insufficiently for fire growth rate of experimental data but there was good agreement for maximum HRR and total HRR with the experimental data. And the B-RISK results were used for input values of FDS to evaluate the fire behaviors of B-RISK results. Comparing results of FDS calculations with experimental data, the simulation results showed that the temperature and concentrations of O2, CO2 in the fire growth phase were different from the experimental data. However, when using the B-RISK result for percentile 70%, the simulation results sufficiently predicted the overall fire behaviors.