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Status of Kidney Function in Hospitalised COVID-19 Patients in the Southern Gyeonggi Province, South Korea (경기 남부 일개 병원에 입원한 코로나 19 환자들의 신기능 현황)

  • Kim, Sun-Gyu;Sung, Hyun Ho
    • Korean Journal of Clinical Laboratory Science
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    • v.53 no.3
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    • pp.208-216
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    • 2021
  • Coronavirus disease 2019 (COVID-19) is a contagious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This study aimed to investigate the status of renal function in patients with COVID-19. The study surveyed a total of 649 patients hospitalized with COVID-19 at a hospital located in southern Gyeonggi Province, South Korea over a one month period in January 2021. The parameters analyzed were blood urea nitrogen (BUN), creatinine, sodium, potassium, chloride, and estimated glomerular filtration rate (eGFR). The BUN and creatinine of the COVID-19 patients were found to be higher than the normal reference range, specially in males, and in the elderly (60s and 80s or older). The serum electrolyte levels of the patients were observed to be within the reference intervals. Of the subjects, males over 80 years of age had a Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) of 60 mL/min/1.73 m2 or less. Recent research suggests that some severe cases of COVID-19 are showing signs of kidney damage, even in those with no prior underlying kidney disease. Thus, assessment of kidney function using multiple indicators could help diagnose abnormal renal function in patients with COVID-19.

Status Quo Bias in Ocean Marine Insurance and Implications for Korean Trade

  • Jung, Hongjoo;Lim, Soyoung
    • Journal of Korea Trade
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    • v.25 no.5
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    • pp.39-57
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    • 2021
  • Purpose - This research uses ocean marine insurance (OMI) statistics, international emails, focus-group interviews, and surveys to fill the gap between the theory of behavioral insurance, particularly status quo bias (SQB), and the practice of OMI in Korea. The contractual forms of OMI, the oldest and most globalized form of commercial insurance, were developed in the UK as the Institute Cargo Clauses in 1906 and revised in 1963, 1982, and 2009. SQB has been academically explored, mostly in health insurance and the financial services sector, but never in OMI. Thanks to the availability of OMI statistics in Korea, we can conduct SQB research here for the first time in this field. Design/methodology - We show the existence of SQB in the OMI of Korea through Korean statistics between 2009 and 2018, email correspondence with experts in the UK, Germany, and Japan, focus-group interviews with Korean OMI underwriters, an in-depth interview with one underwriter, and a survey of 15 OMI insureds (company representatives). Findings - We find that Korean foreign traders rely on the old-type OMI contracts developed in 1963, whereas other industrialized countries use the newest type of OMI contract developed in 2009. With a simple loss ratio analysis during 2009-2018, we show that the behavior of insurers has little to do with rational profit maximization and is instead driven by irrational bias, as they forgo the more profitable contracts provided by the new clauses by keeping the old clauses. The consistent addiction to old types of contracts in the OMI market suggests strong SQB among Korean exporters, importers, bankers, or insurers, which we confirmed in our interviews and survey. Originality/value - This research has significant originality and academic value because it reports new findings with crucial implications for the development of efficient trade practices and policy. First, this research is based on actual statistics that have not been used in previous Korean research on OMI. Second, this research shows that all-risk OMI policies provide more value to insureds, in terms of coverage given premium, than partial coverage policies, which differs from arguments previously made in Korea. Third, this research reveals strong SQB in Korea, where foreign trade plays a pivotal role in economic growth. That bias could be attributable to uninformed traders, informed but idle insurers, or conservative bankers. Fourth, to further develop foreign trade, policy initiatives are needed to review the current practices of OMI contracts and move forward with the new contract forms. All of these findings and arguments are both new and important.

Requirement for Amendment of the Law on the Phrase 'Instruction of Physicians or Dentists' in Medical Service Technologist, etc Act (의료기사 등에 관한 법률에서 '의사 또는 치과의사의 지도' 문구에 대한 법률 개정 요구도)

  • Lim, Woo-Taek;Lim, Cheong-Hwan;Joo, Young-Cheol;Hong, Dong-Hee;Jung, Hong-Ryang;Kim, Eun-Hye;Yoon, Yong-Su;Jung, Young-Jin;Choi, Ji-Won
    • Journal of radiological science and technology
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    • v.44 no.5
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    • pp.503-512
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    • 2021
  • The purpose of this study is to check the extent to which "instruction of physician or dentist" defined in the Medical Service Technologists, etc. Act is applied in relation to radiography examination procedures for radiological technologists. In addition, it is intended to present basic data on the requirement to revise the Medical Service Technologists, etc. Act in the radiological technologist's duty area and scope of work, The subjects of this study were radiological technologists with license, and the response data were collected after sending the questionnaire link written on the online questionnaire form. The final number of respondents were 1,018, and the response rate was 6.8%. Most of the negative responses were "I have never received 'instruction' for radiologic examination by a physician or dentist, including a radiologist in a medical environment." There were a high perception that "the professionalism in radiation examination on radiological technologists are higher than that of a physician or dentist." They answered that the current continuing education has a great impact on maintaining and continuing professionalism and learning new knowledge in the radiology field. In addition, the radiological technologists provide a very high level of education in areas related to radiography procedure ethics such as patient care, patient safety, and patient privacy protection, as well as specialized fields such as radiation-related examination methods, radiography examination dose, and patient exposure dose. Radiological technologists replied that they were receiving it consistently. In conclusion, in the current medical environment, the 'instruction' of a physician or dentist cannot be seen as being realistically performed. The phrase 'instruction' of a physician or dentist as defined in the Medical Service Technologists, etc. Act is considered inappropriate in respect of the fact that the state recognizes the qualifications of the medical service technologist through a license. It is thought that revision to a new term suitable for the current medical environment is necessary.

Review of the Literature on Level of Biological Exposure and Trends in Possible and Probable Occupational Disease among Chromium Workers (크롬 직업병 유소견자와 요관찰자 추이 및 취급 근로자의 생물학적 노출수준 고찰)

  • Park, Sang-il;Kim, Nam-Soo;Hwangbo, Young;Kim, Hwa-Sung;Lee, Sung-Soo;Kim, Yong-Bae
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.31 no.3
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    • pp.213-225
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    • 2021
  • Objectives: This study identifies the trends in possible and probable occupational disease among chromium workers and reviews the literature on domestic and foreign chromium workers to review the industries, biological exposure levels, and major results. Methods: The results of the Ministry of Employment and Labor's special health-screening program for hazard agents among workers from 2009 to 2019 were used. Also, the industries, biological exposure levels, and major results on chromium workers were reviewed using PubMed and RISS. Results: The average annual proportion of both possible and probable occupational disease for chromium workers has recently increased. The average annual proportion of possible and probable occupational disease that can occur was high for both men and women in their 60s or older by age and 10 to 14 years by work duration. By industry, possible occupational disease showed high in manufacturing. In the literature review, many electroplating-related chromium-workers reported high levels of exposure to blood and urine chromium, as did dental technicians; tannery, tile factory or glass mill workers; cement workers; and sodium bichromate workers. Furthermore, a number of main findings in recent studies have reported that chromium exposure is related to genetic toxicity among workers. Conclusions: In this study, the average annual rate of both possible and probable occupational disease in domestic chromium workers is increasing, and a body of literature shows that chromium exposure is related to genetic toxicity and associated indicators among workers, which requires more systematic study.

Factors Influencing Nursing Students' Intention to Drop out (간호대학생의 중도탈락의도에 영향을 미치는 요인)

  • Choi, Jung;Park, Young Mi;Ha, Young Ok;Kweon, Yoo Rim;Song, Jung-Hee;Kim, Min Kyeong;Kim, Dayoun
    • Journal of Industrial Convergence
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    • v.19 no.1
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    • pp.117-127
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    • 2021
  • The purpose of this study was to identify the relationship between social support, academic self-efficacy, and learning agility on intention of academic dropout among nursing students. Data collection was conducted online surveys from November 9 to 27, 2020. The 363 students were conveniently sampled from the school of nursing in K-do in Korea. The contents of the self-reported questionnaire included social support, academic self-efficacy, learning agility, intention of academic dropout. As a result, The score of each variables were like this: social support 4.32, academic self-efficacy 3.66, learning agility 3.40, intention of academic dropout 2.08. The factors that affecting intention of academic dropout among nursing students are academic self-efficacy, learning agility, satisfaction on major, perceived mental health status, grade in score and grade, which explained 30.4% of the variances. Therefore in order to lower the intention of dropping out of nursing students, it is considered that the development of programs considering individual characteristics and systematic support are necessary.

An Overview of Clinical Studies on Pelvic Correction in Korea (골반교정에 대한 국내 임상 연구 동향)

  • Beag, Ji You;Bae, Jae Ryong;Ahn, Hun Mo;Lee, Jae Heung
    • Journal of Korean Medical Ki-Gong Academy
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    • v.20 no.1
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    • pp.118-147
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    • 2020
  • Objective : The purpose of this study is to understand trends of pelvic correction therapy in Korea and to assist research activities on pelvic correction therapy. Also, this study selected and presented indicators for measuring pelvic slope to help ensure consistent studies with uniform indicators in future studies related to pelvic correction. Methods : The following keywords "골반", "골반 교정", "골반 변위" "Pelvic correction" were searched on three specialized search sites (RISS, NAI, DBpia). Trends in pelvic correction therapy were analyzed through the selected researches suitable among these searched researches in an overview format. Results : 1. A total of 7,806 studies were searched and a total of 268 studies were finally selected. 2. Studies began in 1977 and have been actively studied until recently, with 35 studies in 2017 being the most recent trend since 2000. 3. In the results according to the Main Field of Research, the 'Arts and Kinesiology'(113, 42.16%) and 'Medicine and Pharmacy'(103, 38.43%) were the most in order. To the Middle Field, the 'Kinesiology was the largest with 96(35.82%) studies. 4. In the results according to the study design, 'Pre-Post Test(PPT)' was the largest with 107 studies. 5. In the results according to the Intervention, 'Exercise' was the largest with 165 studies, of which 'Pilates' and 'Yoga' in 'Training' was the largest. 6. Among the evaluation method, the 'Pelvic Index' was used 146 times, followed by 'Spinal Alignment (99)', 'Other Joints (93)', and 'Kinetic Specialized Measurement Test (56)'. 7. Among the evaluation methods, the pelvic slope measurement indicators were PT (58), PH (48), Pelvic Torsion (40), Iliac Crest (38), ASIS-PSIS distance/angle (27), and Pelvic Width (I.W., I.L., S.W) (25) in order. 8. The journals that published the most researches were KJSS(Korean Alliance For Health, Physical Education, Recreation, And Dance;9), and JKPT(Korean Physical Therapy;9). Among the University, the Graduate School of Silla University published the most papers (12). 9. The author who published the most studies were Seungjin Park(3), the co-authors were Hoseong Lee, Gideok Park, Seongsu Bae(3), and the Thesis-Director Gyeongok Lee(7). Conclusions : 1. Studies on pelvic correction treatment continue to increase every year. 2. The main academic field of pelvic correction is 'Sports', 'Physical Therapy', and 'Medical Science'. 3. The most chosen research design method in the study on pelvic correction treatment was 'Pre-Post Test(PPT)', primarily as an intermediary, Pilates and yoga during exercise therapy, and then Chiropractic during handcraft were used as multiple frequencies. 4. Among the various measurement method indicators of pelvic correction previously used, multiple frequency was taken up in the order of PT, PH, Pelvic Torsion, iliac crest, ASIS-PSIS distance/angle, and pelvic width (I.W.,I.L.,S.W). Typically, measurements through "ASIS-PSIS angle" are recommended and are considered as the most rational in clinical trials.

An Analysis of the Educational Gap between Local Governments : An Application of Data Envelopment Analysis(DEA) (교육효율성 측면에서의 지방자치단체 간 교육격차의 비교·분석 : 자료포락분석(DEA) 기법의 적용)

  • Kim, SoonYang;Yoon, KiChan
    • 한국사회정책
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    • v.19 no.2
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    • pp.99-136
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    • 2012
  • The aim of this paper is to analyze the educational gap between 250 local governments, by their location and size, in terms of the efficiency of education. For the analysis, this paper employed the data envelopment analysis(DEA), which can consider input and output factors simultaneously, as a research method. Input factor included student number per teacher, student number per class, student number per staff, and donation fund per student, whereas college entrance rate and employment rate were used as output factor. The data were collected through 'the school information' website. Research target was confined to high schools, taking into consideration the variables used for output factor. As a result of analysis, while the high schools in local governments around the capital area showed the high density of students in terms of input factor, college entrance rate and employment rate were higher in the high schools of non-capital area. An efficiency score was also higher in the schools of the non-capital area in both aspects of BCC and CCR models. By the size of local governments, high schools in agricultural-type and small-sized local governments were higher in the efficiency of education, compared to those in populated local governments.

A Study on Typology and the Casual factors of Elderly-abuse (노인학대 유형화 및 유형결정요인 연구)

  • Lee, Yun-Kyung;Kim, Mee-Hye
    • 한국노년학
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    • v.28 no.4
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    • pp.1165-1178
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    • 2008
  • The objectives of this study are developing the new types of elderly abuse and finding the variables affecting the new elderly abuse type. And This is at suggesting the intervention strategies preventing the elderly abuse. The 350 cases of elderly abuse reported in Elder Protection Agency was analysed. Data is analyzed by using statistical techniques including cluster analysis and logit-regression. New type of elderly abuse is "violent elderly abuse" and "avoiding elderly abuse". Violent elderly abuse is very connected with directly violence speech and behavior and avoiding elderly abuse is connected with neglect and abandonment, self-neglect. The elderly's instrumental activity of daily living and education, the offender's sex and education and living together type of the elderly - the offender, and the offender's care burden are the casual factors of the new type of elderly abuse. Based on the results, the various service programmes for the abused elderly is developed and implemented.

Comprehension of Figurative Language in Young and Old Adults: The Role of Simile, Metaphor, Idiom and Proverb (정상 청년층과 노년층의 비유언어 이해 능력: 직유, 은유, 관용어, 속담을 중심으로)

  • Kim, Ji Hye;Yoon, Ji Hye
    • 한국노년학
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    • v.36 no.4
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    • pp.981-1001
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    • 2016
  • At old age, as people depend on superficial clues when they interpret the overall context of communication, their ability to understand connotative and figurative words and articles could deteriorate. In this study, 50 normal young(junior) people and normal old(senior) people were made to perform a task to understand similes, metaphors, idioms, and proverbs, the sub-areas of figurative language. For the task, participants were made to understand a paragraph consisting of several sentences and select a correct answer representing appropriate figurative language. As a result of the analysis, first, old people showed a lower level of performance than young people in all the sub-areas of figurative language. Second, in understanding idiomatic words and proverbs, old people showed a lower level of performance due to unfamiliarity. Third, for the types of wrong answers, old people mostly understood only the literal meanings in all the sub-areas of figurative language. Due to aging, old people come to have a lowered level of the pragmatic language ability, reasoning ability, and inhibiting ability to efficiently communicate with others considering certain situations and contexts. Thus, old people could have difficulties in understanding inner meanings from others in daily communication.

A Study on the Exposure Dose of Workers and Frequent Workers in the Radiology Department (방사선(학)과의 작업종사자와 수시출입자의 교내 실습에 따른 피폭선량에 대한 고찰)

  • Jeon, Seong-Min;Lee, Yong-Ki;Ahn, Sung-Min
    • Journal of the Korean Society of Radiology
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    • v.15 no.3
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    • pp.355-359
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    • 2021
  • In this study, the purpose of this study was to analyze the degree of exposure of radiation workers assigned to the Department of Radiology and frequent visitors during on-campus practice, and to conduct a basic study on the feasibility and optimization of the radiation protection of the Nuclear Safety Act for the Department of Radiology. . The average exposure dose of occupational workers by year was 0.01 mSv, the lowest in 2014 and 2016. The highest figure was 0.12 mSv in 2018. The average exposure dose of frequent visitors by year was the lowest at 0.013 mSv in 2018, and the highest at 0.022 mSv in 2016. According to this study, the annual exposure dose received by professors, practical assistants, and students in the department of radiology (department) who use only radiation generators in the course of in-school practice is less than 1 mSv, which is the dose limit for the general public. Therefore, at the time when the radiation dose of students in the Department of Radiology is lower than the dose limit of the general public, the current safety regulation of the Nuclear Safety law is judged to be excessive regulation. Therefore, it is considered necessary to revise the regulations for radiation generators in the current Nuclear Safety law or to revise the radiation safety management system for university students.