Journal of Korean Society of Industrial and Systems Engineering
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v.31
no.1
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pp.32-40
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2008
According to the statistic of industrial disaster in 2006 presented by the Ministry of Labor, there were 10,235 people with occupational diseases adding 2,740 more people (36.6%) compared to the previous year. Concerning the occupational diseases, 1,607 people had brain-cardiovascular diseases comprising more than 15% of all occupational diseases, and excessive workload and occupational stress seemed to play important parts. According to Korean Society of Occupational Stress, among 7,000 workers at 254 businesses in Korea, 73% of them were reported to be exposed to potential occupational stress and 22% of them were reported to be under severe stress. The increase of occupational stress among workers comes from excessive competition caused by business restructuring, promotion competition, annual salary system and so forth. Occupational stress threatens the heath and even the life of workers and lowers business competitiveness. Using the Korean occupational stress reduction model to the workers at small and medium businesses in Incheon area, therefore, the project intends to measure the level of stress among office workers and examine its relatedness to the VTD subjective symptoms. In addition, the project intends to present some methods to reduce occupational stress and increase business efficiency at work by studying and analyzing the various elements that workers use to reduce their occupational stress.
The industrial health education is the most fundamental and active area in the industrial health. It has become increasingly recognized as an important component of preventive occupational health programs and is an essential service for improvement of productivity and employee's health. Evaluating the worker's health status is a part of the occupational health promotion policy and is very important to know the efficiency of the occupational health service. In this point, the purpose of this study was to clarify the effect of the industrial health education on worker's health status. This study included a survey of 625 workers at 28 factories in Puchon area form August Z7 to September 30, 1996. The research was carried out through the analysis of the self-administered questionnaires and health examination records. The results were as follows: 1. For demographic characteristics, 66.5% of the respondents were male. The most prevalent age group was 30 - 39years group(30.4%). Those who graduated from high school were 43.5%. The workers whose monthly income ranged from 600,000 to 100,000 won were 40.3%. As for the marital status, 69.4% of the respondents were married. 2. For occupational characteristics, 37.9% of the workers had worked 2 to 5 years in the factories, 69.4% of the respondents worked at the assembly line and the staffs were 27.0%. T26.4% of the respondents worked at hazardous workplace and 71.8% of the workers worked 9 to 10 hours a day. Those who worked during the night were 56.0%. Those who felt much for them workload were 29.9% and were dissatisfied with their working environment and job were 33.6%, 19.1%. 3. The 39.4% of the respondents received the industrial health education and most of them received on the safety and only few on family health. 70.7% out of those who had industrial health education reported it helped their health management.
Background: Prolonged standing during work causes a lower extremity pain and disorders. Patellofemoral pain syndrome (PFPS) is one of the common diagnoses of the knee pain. Although the etiology of PFPS is not completely understood, it is considered to be multifactorial. Objects: The purpose of this study was to investigate difference in strength of knee muscles, quadriceps:hamstring muscles strength ratio (Q:H ratio), asymmetry ratio of knee muscles strength and dorsiflexion range of motion (ROM) between standing workers with and without PFPS. Methods: Twenty-eight standing workers with PFPS and 26 age-, height-, and weight-matched standing workers without PFPS participated in this study. A tension sensor measured knee muscle strength, and motion sensor measured dorsiflexion ROM. The asymmetry ratio of knee muscles was calculated by a specific formula using the knee muscles strength of the dominant side and the sound side. An independent t-test was used to identify significant differences in the strength, ROM, Q:H ratio, and asymmetry ratio between the PFPS and normal groups. Results: The standing worker with PFPS have significantly lower dorsiflexion ROM (p < 0.000) and higher asymmetry ratio of the hamstring muscles strength (p < 0.000) compare to the standing worker without PFPS. No significant differences were seen in the strength of quadriceps muscle and hamstring muscles, Q:H ratio, and asymmetry ratio of quadriceps muscle strength. Conclusion: There was a significant difference in the asymmetry ratio of the isometric hamstring muscle strength. This finding suggests that the asymmetry ratio of isometric hamstring muscle strength may be more important than measuring only the hamstring muscle strength of the PFPS side. Furthermore, the results of this study showed a significant difference in dorsiflexion ROM between the standing industrial workers with and without PFPS. Dorsiflexion ROM and isometric hamstring muscle strength should be considered when evaluating the subjects with PFPS.
The purpose of this study was to examine relationships among drinking motives, acculturative stress and problem drinking, and then to identify the influencing factors of problem drinking in foreign workers. A total of 120 foreign workers recruited from two shipyards in G city. Self-reported questionnaire survey was conducted from October to December, 2016. As a result, a rate of problem drinking in foreign workers was 39.2%. According to the multiple regression analysis, their problem drinking was significantly influenced by social motives (${\beta}=.368$ p=.003) and conformity motives (${\beta}=.337$ p=.005) as a subscale of drinking motives and homesickness (${\beta}=-.197$, p=.009) as a subscale of acculturative stress, explained 39.5% of the total variance (F=26.849, p=.000). Based on our results, an education program using drinking motives, acculturative stress should be developed to prevent problem drinking in foreign workers.
Kim, Shin-Jeong;Lee, Soon-Hee;Kim, Sook-Young;Kim, Aee-Lee;Park, Hyun-Tae;Lee, Young-Joo
Korean Journal of Adult Nursing
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v.20
no.5
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pp.791-803
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2008
Purpose: The purpose of this study was to collect basic data in the quality of life related to health in migrant workers. Methods: Data from 133 migrant workers was collected from August to December 2007 using a questionnaire from two free clinics located in Seoul and Gyeonggi-do. The data was scored by mean and standard deviation. Differences were evaluated according to the subjects' general characteristics by the t-test and the ANOVA test. The relationships in the quality of life related to health between the 9 sub-scales were evaluated by the Pearson's correlation coefficient. Results: 1) Total average score of migrant workers' quality of life related to overall health is $61.09{\pm}13.68$. The score of the quality of life related to physical health is $64.39{\pm}15.21$ and the quality of life related to mental health is $57.80{\pm}16.18$. 2) With respect to the general characteristics of subjects, the quality of life related to health was significantly different in age(F=3.852, p=.013), especially in physical health(F=6.868, p=.000). 3) The relationship between physical health and mental health was significant(r=.663, p=.000). Conclusion: Program development to improve quality of life related to health for migrant workers is needed.
This is a descriptive research to find out the effect of office workers resilience, depression and stress. The research subjects were 123 office workers in one location and data were collected from August 1 to 20, 2018. Collected data were analyzed by t-test, ANOVA, Pearson's correlation, and multiple regression analysis. The research results showed negative correlation between office workers resilience and their depression(r=-.195, p=.040), stress (r=-.424, p=.000). Sub-factors of resilience to affect their depression were satisfaction level in their lives (β=-.299, p=.001) and relationship(β=.300 p=.002). Sub-factors of resilience to affect their stress were satisfaction level in their lives(β=-.315, p=.001). This research was helpful to understand office workers resilience and it is necessary to develop a variety of education and training programs to enhance this.
The 7,993 cases of Survey Report of Fatal Industrial Accidents conducted jointly by the MEOL and the KOSHA for the recent seven years(2007-2013) were categorized according to personal and occupational characteristics, industry types, business sizes, job types, activities at the time accident, types of accidents, material agents(assailing materials), unsafe conditions, and unsafe acts. And it is found that among the 72.2 percent of fatal occupational accidents in the construction and manufacturing industries are caused by falling, sticking, bumping and being caught under objects & overturning. For this study, through the empirical analysis on causes of fatal industrial accidents, was used to identity high risk groups based on total data of 7,993 victims of occupational accidents. An annual fatal occupational injury (FOI) rate per 10,000 workers was about 0.47‱. The middle-aged group and the elderly group showed the highest FOI rates per 10,000 workers (0.73‱, 0.80‱), and the daily workers showed the highest FOI rate (1.46‱), and the craft and related trades workers showed the highest FOI rate (2.17‱). In case of industry type the mining industry (7.26‱) showed the highest FOI rate, followed by the sewerage, waste management, materials recovery and remediation activity industry (3.91‱) and the construction industry (2.71‱). The primary high risk target group that requires a strategy designed to reduce fatal occupation injuries caused by falling and bumping & contact(collision) is the construction industry, and the secondary high risk target group in the construction industry is classified as the equipment, machine operating and assembling workers in the construction industry, those aged 50 years old and above need the prevention measures against bumping & contact(collision) and being caught under an object & falling(objects), while those aged less than 50 years old need prevention measures against falling(persons).
Background: External-cause mortality is an important public health issue worldwide. Considering its significance to workers' health and inequalities across industries, we aimed to describe the state of external-cause mortality and investigate its difference by industry in Republic of Korea based on data for 2018. Methods: Data obtained from the Statistics Korea and Korean Employment Information System were used. External causes of death were divided into three categories (suicide, transport accident, and others), and death occurred during employment period or within 90 days after unemployment was regarded as workers' death. We calculated age- and sex-standardized mortalities per 100,000, standardized mortality ratios (SMRs) compared to the general population and total workers, and mortality rate ratios (RRs) across industries using information and communication as a reference. Correlation analyses between income, education, and mortality were conducted. Results: Age- and sex-standardized external-cause mortality per 100,000 in all workers was 29.4 (suicide: 16.2, transport accident: 6.6, others: 6.6). Compared to the general population, all external-cause and suicide SMRs were significantly lower; however, there was no significant difference in transport accidents. When compared to total workers, wholesale, transportation, and business facilities management showed higher SMR for suicide, and agriculture, forestry, and fishing, mining and quarrying, construction, transportation and storage, and public administration and defense showed higher SMR for transport accidents. A moderate to strong negative correlation was observed between education level and mortality (both age- and sex-standardized mortality rates and SMR compared to the general population). Conclusion: Inequalities in external-cause mortalities from suicide, transport accidents, and other causes were found. For reducing the differences, improved policies are needed for industries with higher mortalities.
Chang, Hyun-Sook;Lee, Hung Sa;Kim, Chunmi;Kim, Eun Man
Journal of Korean Academy of Rural Health Nursing
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v.6
no.1
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pp.15-22
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2011
Purpose: The purpose of this study was to analyze the present status of institutionalized persons and personnel of nursing homes for elders. Method: A survey questionnaire was distributed to 520 nursing homes nationwide, of which 308 nursing homes responded by completing the questionnaire. The data were collected from November 1 to November 14, 2008. The data were analyzed with descriptive statistics. Results: Most home care facilities were situated in small or medium sized cities (46.8%, 56.6% respectively). About half of the nursing homes had 50-99 institutionalized persons (43.4~42.5%). Most of the nursing homes were operated by social welfare ownership. Average number of institutionalized persons was 41.7 and operation ratio of facilities was 93.9%. For severity of problems, 30% of institutionalized persons were assessed as third grade indicating mid-point severity. The average number of personnel was 18.6. The number of full-time positions was greater than that of part-time positions. The average income for the director was 2,600,000 Korean won, for nurses, 2,000,000, for social workers, 1,940,000, for physical therapists, 1,820,000, and for care workers, 1,560,000. Conclusion: Strategies need to be developed to maximize the value of the existing workforce without impacting on the quality of care delivered.
The current study aims to help field managers of companies providing foodservice for institutions to establish the more appropriate cost management strategy by analyzing the cost structure of foodservice center in institutions by operating types and the number of people served. From the result analyzing 161 foodservice centers, the number of factories was highest with 39.8% while offices 26.7%, schools 20.5%, and hospitals 13%. In terms of the number of people served, below 500 persons was 27.6%, 501${\sim}$l,000 persons was 23.9%, 1,001${\sim}$2,000 persons was 22.7%, and over 2,001 persons was 25%. In the demographic characteristics of managers, women occupied over 92%. The reason for this is usually dieticians perform management duties. For the age of workers, 70.8% were older than 40s, which ran become the cause of a rise in cost by causing the decrease of productivity by aging. Therefore, appropriate countermeasures are required. In case of workers in production, women occupy 962 persons (82.2%) rating absolute majority like mangers. This is because cooks are in charge of almost every producing activity of meal facilities. In addition, more than 72.9% of workers in production were over 40 years old, which requires diversified studies to promote efficiency of production associated with the aging problem. In proportion of sales compared with cost material cost presented the highest percentage with 54.5% while labor cost 28.3%, general expenses 9.6% and business profit 7.6%.
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