Purpose: The study sought to provide basic information for North Korean defectors (Sae-Tu-Min) by studying the quality of life(QoL) based on their general characteristics and health problems. Methods: The targeted subjects were 1400 North Korean settlers who were receiving settlement service by Korean National Red Cross after finishing their training at Hanawon in 2005. The data was collected from August to October in 2007. The QoL was assessed by Medical Outcomes Study Short Form-36. Collected data were analyzed by ANOVA and t-test with SPSS win 15.0 program. Result: The majority of the 466 subjects were female(77.9%). The average age was 36.8 years, 52.8% lived alone, and 64.0% were unemployed. The average QoL score of the group was $62.4{\pm}18.4$, which was markedly lower in terms of social, physical and mental health compared to the scores of immigrants to South Korea from other countries. The score was the highest for physical ability and the lowest for general health. Influential socio-demographic factors to QoL were gender, age, education, religion, annual salary, occupation, and life insurance. Employed in the subject group showed higher level of QoL on eight categories than unemployed. Concerning health problems that detracted from QoL, 18.5% of the subjects were aware they suffered from anemia and 8.8% of them recognized they suffered from attention deficits. Conclusion: The health conditions of the North Korean settlers had improved since they settled in South Korea, but their QoL was lower than other immigrants. Various programs to maintain and promote the health of North Korean settlers would be useful.
Journal of Korean Institute of Industrial Engineers
/
v.40
no.1
/
pp.8-17
/
2014
In this research, we employed various data mining techniques to build predictive models for win-loss prediction in Korean professional baseball games. The historical data containing information about players and teams was obtained from the official materials that are provided by the KBO website. Using the collected raw data, we additionally prepared two more types of dataset, which are in ratio and binary format respectively. Dividing away-team's records by the records of the corresponding home-team generated the ratio dataset, while the binary dataset was obtained by comparing the record values. We applied seven classification techniques to three (raw, ratio, and binary) datasets. The employed data mining techniques are decision tree, random forest, logistic regression, neural network, support vector machine, linear discriminant analysis, and quadratic discriminant analysis. Among 21(= 3 datasets${\times}$7 techniques) prediction scenarios, the most accurate model was obtained from the random forest technique based on the binary dataset, which prediction accuracy was 84.14%. It was also observed that using the ratio and the binary dataset helped to build better prediction models than using the raw data. From the capability of variable selection in decision tree, random forest, and stepwise logistic regression, we found that annual salary, earned run, strikeout, pitcher's winning percentage, and four balls are important winning factors of a game. This research is distinct from existing studies in that we used three different types of data and various data mining techniques for win-loss prediction in Korean professional baseball games.
Background: The purpose of this study is to identify factors that affect work dissatisfaction and turnover intention for dedicated nurses working in emergency departments of vulnerable areas of health care. The purpose of this study is to identify risk factors related to the working environment that influence job dissatisfaction and intention to turnover among dedicated nurses working in emergency rooms in areas of medical vulnerability. Methods: We conducted a survey of nurses working in emergency rooms in vulnerable areas of medical care, and the survey was conducted for two consecutive years. A logistic regression analysis was performed with the working environment variable as the independent variable and the work environment dissatisfaction and turnover intention as dependent variables, respectively. Results: The variables that significantly affected both dissatisfactions with the working environment and turnover intention at the current institution were age, overlapping work in other departments, and the total work experience of nurses. Annual salary, the average number of double-duty (continuous work) per month, type of work, and work experience of nurses at the current institution had a significant effect only on dissatisfaction with the working environment. Conclusion: The results of this study are thought to be of great help if the government takes reference when establishing medical policies in vulnerable areas in the future.
Journal of Korean Society of Industrial and Systems Engineering
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v.45
no.2
/
pp.30-36
/
2022
This study analyzed the relationship between efficient pitchers and teams advancing to the postseason in Korean professional baseball through DEA. A total of 1,133 pitchers who threw more than one inning from the 2014 season to the 2018 season were selected for this study. For DEA analysis, input variables were selected as annual salary and inning output variables as Wins, Saves, and Holds and the number of efficient pitchers for each season was classified using the input-oriented BCC model. After that, it was divided into two groups based on joining the postseason or not, and the number of efficient pitchers was compared through a prop test. As a result of the analysis, the groups that advanced to the postseason in the rest of the season except for the 2014 and 2017 seasons had more efficient pitchers. Considering that the 2014 season recorded the highest WAR (Wins Above Replacement) at 183.56 compared to other seasons, most pitchers threw well, and in the 2017 season, they made more mistakes in pitching than in other seasons, but they performed well in batters. The results of this study have expanded the research field using efficiency analysis in professional baseball and can be used as useful data for practical research.
This study, to investigate the job burnout and coping behaviors that clinical dental hygienists feel in the work process, has collected 322 clinical dental hygienists working in Daegu, Kyungbuk province, and Ulsan and had a conclusion as follows. 1. The average of area job burnout and coping behaviors were as follows; emotional burnout, 3.26, cynical manners, 2.63, the declination of job efficiency, 2.58, the total average, 2.82. 2. The average of area were as follows; active coping, 3.36, passive coping, 2.95, and the total average, 3.19. 3. The difference of job burnout relating to general characteristics was shown that the lower education level and age they were in, the significantly higher the declination of job efficiency and burnout area were. The unmarried had significantly higher points at cynical manners, the declination of job efficiency and burnout. Besides, the introspective had significantly higher points at emotional exhaustion, cynical manners, and burnout area. 4. The difference of job burnout related to working circumstance was shown that those with short working experience and those in charge of the general treatment showed significantly high points at the declination of job efficiency. And the less annual salary, the significantly higher points at cynical manners, the declination of job efficiency and burnout area. 5. In the correlation between job burnout and coping method, burnout area has a significantly normal correlation with active coping and coping area, whereas, it has significantly abnormal correlation with passive coping. 6. As for the difference of area burnout relating to coping behaviors, in coping area A group(under average) had significantly higher points than B group(over average) at the declination of job efficiency and burnout area. From the above results, it was proved that the clinical dental hygienists in younger age, with shorter work experience and less annual salary, no marital spouse had higher points at burnout and passive coping.
Targeting dental hygienists who work in clinical division and public dental health division, this study was to investigate and analyze their working environment by work division, so that it could make basic material available in the interest of efficiently employing technical manpower specializing in public health and their better work environment in the future. 1. In terms of the sociodemographic characteristics of respondents, it was found that employees in public health were married in higher percentage and had higher age with longer career than those in clinical division, and it was noted that the former group had higher percentage in longer academic career than the latter group. 2. In terms of working days and hours, it was found that dental hygienists employed in public health worked 5 days a week(95.8%), while those in clinical division worked 6 days a week(70.3%). That is, the latter group worked longer days a week than the former group. 3. In terms of annual regular holidays, it was found that dental hygienists in public health division mostly took 11 to 20 days off a year, while those in clinical division mostly took 1 to 3 days off a year. That is, the former group is significant different in annual holidays from the latter group. 4. In terms of pay and allowances, it was found that most of public health group(89.4%) got monthly pay, while most of clinical group(65.4%) got the pay in annual salary. 5. In terms of reorientation experiences, it was found that 63.5% of total respondents didn't have any opportunity of domestic and overseas reorientation. And in terms of financial sponsorship for reorientation, it was noted that 54.0% of total respondents were financially supported for their reorientation by the institution they work for. 6. In terms of in-house welfare environment for married employees, it was found that 85.5% respondents ever faced no discrimination in job opportunities. In terms of the availability of maternity leave, it was noted that 69.2% respondents used the maternity leave, and 74.8% respondents used the maternity leave during 3 months. 7. In terms of quitting job, it was found that 46.8% respondents had ever left their job(public health group: 53.8%, clinical group: 45.8%), while the remaining 53.2% respondents(public health group: 46.2%, clinical group: 54.2%) had never left their job. Here, it is found that the employees in public health accounted for somewhat higher percentage in quitting job than those in clinical division. In terms of the number of leaving job, it was noted that most(50.8%) respondents left their job once, and there were similar distributions in quitting job between these both groups. In terms of the reason for quitting job, it was found that 29.2% respondents left their job due to desire for better pay(allowance) and working conditions.
The purpose of this study is to examine the effect of care workers' employment characteristics and perception of facility directors' transformational leadership on quality of service through a hierarchical linear model. For this aim, survey data were collected amongst 240 older adults and 200 care workers who are affiliated within 45 long-term care facilities in Seoul, and analyzed using SPSS 26.0 and HLM 8.0. As a result, one's perception of transformational leadership had a positive effect, whereas, among employment characteristics, employment type and working hours had negative effects on quality of service. Regular workers with fewer working hours and higher awareness of transformational leadership toward the director provided higher quality of service. But wage, total experience and tenure didn't meaningfully affect it. Therefore, the following suggestions were presented. First, it is necessary to reorganize incentive, salary systems and budgets, changing the status of temporary workers' hourly wage system into that of regular workers' monthly one in order to strengthen employment security with acknowledging fundamental professional values through reinforcement of expertise. Reinforcement of long-term care's publicness and establishment of base facilities are also suggested. Second, maintaining appropriate hours of work and rest including annual leave under the Labor Standards Act is needed. Also, increasing the salary of and decreasing working hours for night shift workers are required. Third, education and intervention for inspiring transformational leadership of directors and strengthening qualification standards of them are required.
Kim, Young-Sook;Shon, Hae-Sook;Kang, Jeong-Hak;Lee, Chang-Hee;Lee, Chae-Un
Journal of Preventive Medicine and Public Health
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v.28
no.3
s.51
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pp.576-587
/
1995
Authors purposed to observe activities of occupational health nurses and it's related factors, and to suggest the way that induct better occupational health nurses' activities with questionaire to 87 occupational health nurses who individually work as health manager in the plant. The questionaire included type of plant and number of workers, general characteristics, work conditions, activities, etc. Major findings are as follows. 1. 82.8% of occupational health nurses were third decade. 93.1% graduated junior college or college. And 82.8% were not married. 2. General work conditions: 40.2% were belonged to safety-health section, 98.85% were mere clerks. 60.9% worked less than weekly 44 hours, and an annual salary of 50.6 % was between 10 million and 14 million won. 3. Work condition related to health manager work: there was separated health care room in 94.3%, working period as health manager(occupational health nurse) was less than 5 years in 70.1%, 49.4% had the out-of-health manager work. In 87.4%, occupational physician was appointed, only 6.9% of them were full time, 52.9% of them worked little in the plants. The problems related to workers' health were discussed with industrial nurses in 88.5%. 4. Attitude for their work: 88.5% were thought that their work is important for workers' health care, 57.5% satisfied to work as health manager. In 51.7%, motive to being industrial nurse were the appropriate aptitude. 5. Activities: General medical care in 100% were carried out, in 97.7% works related to general health examination, in 100% works related to special health examination were carried. But works related to use of protective apparatus were carried out in 20.8%. 6. Factors related to level of activities: In cases who solved the health related problems by themselves, the level of activites was significantly higher than in others. In cases there were full time occupational physician, the level of activities was significantly lower. 7. Occupational health nurse's needs: 100% wanted regular education, 89.7% wanted the qualifying examination. As the results, author suggests that the right of self-control is given to occupational health nurses and the work of occupational physician is clearly defined for the induction of the better activities of occupational health nurses.
Purpose - The present study examined the reliability of accounting information based on the pay slice (CPS) information of chief executive officers (CEOs) in the service industry. The difference in the size of CPS under the capitalist system can be used as an index to gauge the influence of top management. Research design, data, and methodology - In accordance with the amendment of the Financial Investment Services and Capital Market Act in 2013, the pay information of individual registered executives with annual salary of more than 500 million won has been disclosed. The sample of the current study is 232 companies listed on the Korea Exchange excluding financial services from 2013 to 2015, when the individual pay-slice information for registration officers was published in the business report in accordance with the revision of the Capital Market Act. The financial data required for this study were extracted from the FnGuide and the TS-2000. With the data, we tested the relationship between CPS and accounting information reliability through a linear regression analysis. Results - The first result showed that the relationship between the CPS and human resource in internal accounting control system in the service industry is significantly negative only with the accounting department personnel. This result implied that the CEO can negatively affect the retention of the accounting department in the firm. Second, both the CPS and quality of audit in the service industry are negatively related both to audit fees and to audit time. Nonetheless, the relationship between the number of the auditor and the CPS is insignificant. This result indicated that the CEO can negatively affect audit fees and audit time of external auditors. The results of the present study suggested that CPS information may have a negative impact on the reliability of accounting information. Conclusion - This study is the first study to examine the reliability of CPS and accounting information for the service industry in terms of human resources in internal accounting control system and audit quality. Therefore, the present study is expected to provide some useful information to economic decision-making of various external parties for service firms.
This study was conducted to collect the basic data to provide for the purpose of the development of dental field. This research is to find the relationship between the empowerment perception level and job satisfaction of dental hygienists working in dental clinics and the factors influencing on work achievement in the system of dental clinics. The subjects of the research is some randomly chosen at dental clinics located in Seoul City during the period from March 22 to April 30, 2010, and the sample of 256 female dental hygienists working in the field were recruited as the analysis object group. The following shows the results of this study. 1. The empowerment level of the subjects was 3.63. It is significant statistically that the longer working career or higher annual salary, the higher empowerment level (p<0.05). 2. Dental hygienists who are in charge of education counsel(p<0.01) and who have a permanent job(p<0.05) have higher empowerment level than others. 3. The job satisfaction of the subjects was 3.18. It was significant statistically that the increaser age(p<0.05) or in the journal subscription group, the higher job satisfaction (p<0.001). 4. In regression analysis, meaningfulness, self-determination were proved as a significant factors that is related to the job satisfaction in dental hygienists (p<0.05). This finding shows high job satisfaction in dental hygienists who hold high level of empowerment perception. Therefore, I suggest that the organization of dental clinic needs to improve its capability and efficiency with the efficient manpower management. Particularly, in order to increase job satisfaction, A need exists to develop various kinds of leadership training and educational programs to enhance the empowerment of dental hygienists as professionals through independent decision making and role executions.
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