Stress at work as well as at home is one of the most important issues in the health sector. However, very little research has been to find the relationship between the levels of stress and exercise. In this study, we used a structured questionaires received from 15th June to 29th October 2002 in order to prove the relation between the degree of exercise and stress. A total number of 1,092( 569 male, 523 female) who have worked more than one year were investigated. The results of the study were as follows: (1) The mean levels of stress were lower in the regualr exercise group than in the non-exercise group; (2) The more time spent in exercise, the lower level of stress was shown; (3) It was shown that the association between the frequency of stress was inversely realted to the frequency of exercise in males whereas the levels of stress was lowest in those who exercised less than 2 times per week in females; (4) The levels of stress was lowest in those who exercised more than 1 hour at a time. In summarizing the result of this study, the degree of exercise is realted with stress regardless of gender. Consequently, it is expected that regular and consistent exercise would be an important tools in lowering and protecting the worker's stress.
This study was carried out to collect information to establish a framework for meal management and nutritional service for prevention of chronic degenerative disease in the industrial workers. We investigated the health concerned life-style, nutrient intakes, anthropometry and biochemical parameters in the male workers in Korea by work condition. Anthropometric parameters of height, weight, waist, hip and triceps skinfold thickness were measured and biochemical parameters including Urine pH, hemoglobin, blood glucose, total cholesterol, GOT, GPT, $\gamma$-GPT and blood pressure were determined for 101 subjects(50 office workers : 33.9yr, 51 laborers : 34.4yr). To assess the nutrient intakes and diet quality of workers, dietary intake was measured by one day 24-hour recall method. Result of anthropometric parameters of height(p<0.01), weight(p<0.05), hip(p<0.05), TSF(p<0.01) were significantly higher in office workers than in laborers. Biochemical parameters were not significantly difference in both of them. Average daily nutrient intakes of both groups was higher than the Korean RDA and report on 2001 National Health & Nutrition Survey. The calcium(p<0.01), iron(p<0.05), vitamin A(p<0.01), vitamin B1(p<0.01) and niacin(p<0.05) intakes in laborers were significantly higher than in office workers. Nutrition adequacy ratio(NAR), mean adequacy ratio(MAR) and index of nutritional quality(INQ) of laborers were higher than those of office workers. This results indicated that the onset possibility of chronic degenerative disease appeared higher in office workers. Therefore, meal menagement and nutritional service for prevention of chronic degenerative disease of industrial works needs to be more variant guidelines.
Kim, Eun Soo;Jeon, Sang Won;Kim, Mukyeong;Oh, Kang-Seob;Shin, Dong-Won;Park, Jae-Hyun;Cho, Sung Joon;Shin, Young-Chul
Korean Journal of Biological Psychiatry
/
v.29
no.2
/
pp.46-55
/
2022
Objectives Many studies have reported noticeable increases in the proportion of employees working either relatively short or relatively long hours. Such trends have been accompanied by an increasing concern that how much subjective mental well-being of employees would be influenced by their hours of work. The aim of this study was to investigate the association between work hours and clinically relevant depressive symptoms with demographic variables adjusted. Methods Participants were employees of a total of 56 private companies and local government organizations in Korea, aged 19 to 65 years. A self-report questionnaire that included items on working hour, job stress, levels of depression, and socio-demographic factors was administered to 15360 Korean employees, with 14477 valid responses. Hierarchical linear regression analyses, adjusted for sociodemographic factors, job related demographic factors, job stress, were used additionally to estimate the association between working hours and depressive scores. Results We found that working more than 40 hours per week correlated positively with the level of depressive symptoms after adjusting for demographic variables and the level of job stress. Furthermore, working 40 or fewer hours per week correlated negatively with the level of depressive symptoms. Being younger (β = -0.078, β = -0.099), being a female (β = 2.770, β = 1.268), and possessing a lower level of education (β = -0.315, β = -1.125) were significantly associated with higher level of depressive symptoms in all respondents. Conclusions Both of working excessively long or short hours is significantly associated with the prevalence of depressive symptoms. Establishing proper office hours for employees is critical to improving the quality of working conditions and maintaining good mental health in the workplace.
In this study, by analyzing the examination time for each procedure, the appropriate workload of radiologic technologist is analyzed based on the actual examination time in the current clinical setting by comparing with the examination time in the radiology field setting of the health insurance review and assessment service. In addition, this result is introduced into the calculation of relate value units; it was attempted to provide accurate and objective evidence in the field of radiology. From May 2020 to December 2021, the study retrospectively investigated the examination times recorded in the electronic medical record and picture archiving and communication system at 5 tertiary general hospitals and 1 general hospital. The total of 16 examination parts are applied in this study, including the head, sinuses, chest, ribs, abdomen, pelvis, cervical, thoracic, lumbar, shoulder, elbow, wrist, hip, femur, knee, and ankle. The minimum number of images that could be obtained per radiation generator was 3.6 images for one hour, and the maximum was 6.4 images. When 50% median of procedure time is calculated, the minimum number of images that could be obtained was 16.7 images and maximum was 35.3 images; in addition, minimum examination time is 1.7 minutes, and maximum time is 3.6 minutes. In conclusion, it is judged that there will be insufficient explanation time for basic infection instructions such as hand hygiene during the examinations in current clinical practice. It is believed that radiologic technologists will contribute to providing higher-quality of radiation examination services to the public by complying with guidelines for work and setting appropriate workload on their own.
The main purpose of this study was to find out the actual status of safety and heal th education activities in the manufacturing industries through survey of 136 plants in Seoul City and Gyunggi- Province Area which employ nurses being charged in the safety and health care services to the employees. A questionaire was mailed to the employees on the Mar. 2, 1987. Total 634 responds from 87 industries were collected by Apr. 20, 1987. Among the total, 618 responds from 80 industries were included in the analysis. The major findings obtainded from this study are summarized as follows; 1. Safety and health education activities in each industry: 1) The $67.6\%$ of safety directors surveyed were performing the education to the employees. And in case of medical directors, it was $18.8\%$ of them. 2) Periodically, annual safety' and health education programs were being drawn up in the $65.0\%$ of the industries (52 companies). And the $60.6\%$ of the planners were safety directors of safety staffs in charge. 3) It was only $27.5\%$ of the companies surveyed in which the safety and health education were performed more than an hour every month. In the $22.5\%$ of the companies, neither safety programs nor health education activities were performed. 4) In the $47.5\%$ of them, safety and health educations were performed in cooperation with related agencies such as health center. 2. The rate of employees participated in safety and health educations; 1) The received rates by subjects of the educations when labors were newly employed to their companies were as follows; education regarding danger and profer handling method of machinery and appliances: $64.2\%$, education regarding noxiousness and handling method of raw materials: $42.2\%$, etc. 2) The $63.6\%$ of the labors received educations on safety and health when they changed their work places. 3) The $74.8\%$ of the labors received specific safety and health educations. 4) The general safety and health educations were received by the $47.2\%$ of management and clerical personnel and $50.0\%$ of labors pre and post physical examination. 3. The main reasons of inactive performance of the educations were as follows; lack of knowledge and inexperience of the occupational safety and health staffs, lack of cooperations between themselves and low need of workers for safety and health education, etc. 4. The preferable subjects of educations for workers; (1) pre and post education of physical examination, (2) education regarding the prevention of accidents. (3) general health care, sex education and family planning, etc. As a result of this study, we can conclude that the safety and health education work in industries as the subject of this study is on the incipient stage. Appropriate measures are to be taken for the activation of safety and health education work such as; continuous public relations, financial and technical supports of the government, training of professional/occupational safety and health staffs, efforts of workers to receive the education and collaborations of the employers.
The aim of this study was to analyse effects that the degree of depression have on the life style variables, nutrient intake, iron indices and pregnancy outcome. Subjects were 114 pregnant women who were receiving prenatal care at a hospital in Seoul. We collected data for general characteristics and lifestyle variables from general survey instrument and for depression score from the questionnaire on depression. Dietary intakes of subjects were estimated by 24 hour dietary recall method. Also we analysed iron indices and pregnancy outcomes. We classified subjects by 10 point, which was the average depression score, into two groups [Low depression score group (LS) : High depression score group (HS)]. As to the intakes of total calcium, plant-calcium, plant-iron, potassium, total folate and dietary folate, LS group was far higher than HS group (P < 0.05, P < 0.05, P < 0.01, P < 0.001, P < 0.05, and P < 0.01, respectively). As to pre-pregnancy alcohol drinking, LS group had 41.9% in non-drinker, which was far higher than 28% in HS group in non-drinker (P < 0.05). As for drinking coffee during pre-pregnancy, pregnant women who don’ drink coffee in LS group took 43.6%, which was higher than 38% in HS group (P < 0.01). Regarding delivery type, the cesarean section in LS group (18%) was significantly lower than that in HS group (45%) (P < 0.01). Bivariate analysis showed that birth weight was significantly associated with the gestational age (P < 0.01). The pregnant women with higher depression score tended to have undesirable life habit, which might affect negative pregnancy outcomes. A better understanding of how depression and intake of nutrients work together to modulate behavior will be benefit nutritional research.
Objectives : By recording basic data of patients visiting the emergency room of the oriental medicine center, we can understand their characteristics and gain better insight about them. Methods : We performed a retrospective study of 2,674 patients who visited the emergency room of Kyunghee Oriental Medical Center, from June 1, 2006 to May 31, 2007. Results : 1. Of 2,674 total patients, the male to female ratio was 0.94:1 and the 6th decade of life was the peak age group. 2. The majority of patients visited our emergency room between 06:00 and 24:00(midnight). 3. Most patients visited on a Saturday or Sunday. 4. By monthly distribution, the patients increased slightly during June, July, August and October. 5. The majority of patients visited the emergency room within 24 hours of onset. 6. The patients were categorized as follows: neurological diseases 71.15%, musculoskeletal diseases 16.02%, internal medical disease 9.04%, psychiatric and related disease 3.79%. 7. The average transit time was about 1 hour 30 minutes. 8. Admission rate was 48% and the rate of admission to the intensive care unit (ICU) was 5% of total visiting patients. Conclusion : Assuming that this research will continue adding patient's data continuously, this work will help us to understand the features of patients who visiting the emergency room of the oriental medical center.
Hydraulic analysis in a dam that has a single outlet of water can be made through a simple comparison between the total precipitation and the volume of discharged water. In case of tailing dams this estimation could yield an error because several drainage facilities are worked independently as well as simultaneously. In this research, a capability of the drainage system in the tailing dam of the old Sangdong Mine was analysed by the means of GIS technic. As a result of this study, it was expected that in the normal working condition of the whole drainage system, the flooding of water over the dam should not occur in spite of the consecutive precipitation during one hour with an intensity of 80.31 mm/hr, a probable precipitation within 100 years. It was, however, revealed that, if the drainage system did not work completely, the water could flood over the dam when the total precipitation reached 251.1 mm.
Purpose: This study aimed to analyze the contribution of emotional labor (surface acting, deep acting) and organizational commitment (affective commitment, continuance commitment) to turnover intention and customer orientation of school foodservice dietitian. Methods: Our survey was administered to 393 school foodservice dietitian in the Busan area on February 11, 2014. Results: For verification of mean differences, the mean scores for surface acting, deep acting, affective commitment, and continuance commitment were found to be 2.53/5.00, 3.71, 2.88, and 3.57, respectively. The mean surface acting score was significantly different according to age (p<0.001), total length of career as a dietitian (p<0.01), school type (p<0.001), and employment status (p<0.05). The mean deep acting and turnover intention scores were significantly different according to age (p<0.001), total length of career as a dietitian (p<0.001), school type (p<0.001), employment status (p<0.001), and no. of meals served (p<0.001). The mean customer orientation score was significantly different according to age (p<0.05), employment status (p<0.01), and number of work hour (p<0.05). There was a positive correlation (p<0.01) between turnover intention and surface acting and continuance commitment, but a negative correlation (p<0.01) with deep acting and affective commitment. Also, there was a positive correlation (p<0.01) between customer orientation and deep acting, affective commitment, but a negative correlation (p<0.01) with surface acting. Affective commitment had a negative influence on turnover intention (${\beta}=-0.444$, p<0.001), but surface acting had a positive influence on turnover intention (${\beta}=0.110$, p<0.05). Conclusion: These results suggest that management of affective commitment is essential for decreasing turnover intention. Therefore, emotional labor and organizational commitment of school foodservice dietitians should be managed from the school foodservice organizational viewpoint of The Ministry of Education.
Labor contracts appear in form as an exchange relationship between labor products and wages, but since they transcend the level of simple barter, they can be economically identified as "trading" and can be identified as "rental." From a legal point of view, a legal device that legally supports and imposes binding force on commodity exchange relations is a contract. Such a labor contract led to a relationship in which wages were received and a certain amount of time was placed under the direction and supervision of the employer as a counter benefit to the receipt of wages. Since working hours are subordinate hours with one's labor under the disposition authority of the employer, long hours of work can be done for the health and safety of workers and furthermore, it can be an act that violates the value to enjoy as a human being. The reduction of working hours needs to be shortened in terms of productivity and enjoyment of workers' culture so that they can expand and reproduce, but users' corporate management labor and production activities should also be compatible compared to those pursued by capitalist countries. Working hours can be seen as individual time and time in society as a whole, and long hours of work at the individual level are reduced, which is undesirable at the individual level, but an increase in products due to an increase in production time at the social level can help social development. It is necessary to consider working hours in terms of finding the balance between these individual and social levels. If the regulation method of working hours was to regulate the total amount of working hours, flexibility and elasticity of working hours are a qualitative regulation method that allows companies to flexibly allocate and organize working hours within a certain range of up to 52 hours per week. Accordingly, it is necessary to shorten working hours, but expand and implement the flexible working hours system according to the situation of the company. To this end, it is necessary to flexibly operate the flexible working hours system, which is currently limited to six months, handle the selective working hours by agreement between employers and workers, and expand the target work of discretionary working hours according to the development of information and communication technology and new types based on the 4th industrial revolution.
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