• 한국식품조리과학회지
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• 제26권6호
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• pp.781-790
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• 2010

The purpose of this study was to analyze the levels of food sanitation knowledge and performance by school food service workers. The data were collected by 440 food service workers in Gyeongbuk province. The collected data were analyzed using the SAS package program (version 8.2 for Window). The results of this study are summarized as follows: 28.6% of the respondents worked in food service at the school where their children attended, 93.6% of the food service workers were part-time employees, and 40.4% had obtained cooking certificates. The food sanitation knowledge scores of food service workers differed significantly according to age (p<0.05), holding of cooking certificates (p<0.01), number of certificates (p<0.01), and whether food service workers is students' parents or not (p<0.01). In addition, the sanitation-performance-degree levels of a few sanitation management items were significantly different according to their food sanitation knowledge level, working time, and whether food service workers is students' parents or not. In conclusion, these factors that improve food service sanitation should be fully considered when food service workers are hired or when food service management policies are established. Additionally, sanitation education and training for school food service workers should be offered regularly with effective education media.

• 한국직업건강간호학회지
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• 제22권4호
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• pp.334-342
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• 2013

Purpose: This study attempted to compare the metabolic syndrome components, liver function and heathy living habits according to abdominal obesity in male and female workers. Methods: The subjects of this study are 1,078 adult workers who visited N hospital in Incheon for health examination. The data were analyzed using t-test or $x^2$-test with the SPSS/WIN 20.0 program. Results: Prevalence of metabolic syndrome are 22.2% in male workers, and 5.2% in female workers. There were significant differences in 4 metabolic syndrome components (high blood pressure, elevated blood sugar, hypertriglyceridemia, low HDL cholesterolemia), abnormal liver function, and living habits (alcohol drinking) according to abdominal obesity in male workers. There were significant differences in 1 metabolic syndrome component (low HDL cholesterolemia), and abnormal liver function in female workers. Conclusion: It is important to manage all metabolic syndrome components and alcohol drinking in the case of male workers with abdominal obesity, and low HDL cholesterolemia in the case of female workers. Also, occupational nurses should include the relevance between abdominal obesity and liver function index when training health for workers in workplace.

• 한국안전학회지
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• 제30권5호
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• pp.80-85
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• 2015

In recent years, Korea's shipbuilding industry have expanded its business into offshore plant. These changes are increasing the interest on job stress in shipbuilding industry. The purpose of this study is to investigate the differences of job stressors between white and blue-collar workers. The survey was using Korean Occupational Stress Scale(KOSS) questionnaire and was administered to 8,080 workers of large shipyard company. As a result of the survey, compared with the median score of Korean workers, job stress level of shipyard company workers was low. However, seven categories of KOSS, except for job demand showed higher stress levels of blue-collar workers than white-collar workers. The overall stress level of shipyard company workers is low, however, it is important to find stressors by considering the type of work, working period etc., through a detailed analysis of KOSS 8-categories. The results of this study may be helpful to identify the level of stress and to establish preventive measures in Shipyard Company.

• 동의생리병리학회지
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• 제18권2호
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• pp.344-348
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• 2004

This study regarded irregular life styles such as nigh-shifts as contrary to the norm advised in the rules of Yang-saeng to analyze the problems brought about in relation to the concept of 'Yin-deficiency syndrome'. Yin-deficiency survey was given to sales workers on a big shopping mall in Seoul to compare the measurements of daytime workers to those of nigh-shift workers. The measurement of complaining symptoms related to Yin-deficiency of daytime workers and night-shift workers were compared, In comparison of the daytime workers and the night-shift workers, night-shift workers showed higher measurements than the daytime workers in the item of irritable fever on the five Hearts, flushing of the zygomatic region in the afternoon, tidal fever, dizziness, insomnia, yellow and scanty urination, and constipation. Especially tidal fever, insomnia, and constipation showed statistically significant difference. The total of ten items consisting of Yin-deficiency-related symptoms showed statistically significant high score in night-shift workers than the daytime workers. 'Factors for deficiency-type Heat' consisting of irritable fever on the five Hearts, flushing of the zygomatic region in the afternoon, tidal fever, and dried mouth and throat showed statistically significant high score in night-shift workers than the daytime workers. 'Accompanying factors' consisting of night sweats, emaciation, dizziness, insomnia, yellowish and scanty urination, and constipation also showed statistically and significantly high score in night-shift workers than the daytime workers. From the above results that night-shift workers show high degree of Yin-deficiency than daytime workers, and those overworking irregularly also show high degree of Yin-deficiency than those who work for adequate amount of time regularly implies that sitting up at night for work and sleeping at daytime, excessive work, and irregular life styles all function as high-risk factor for Yin-deficiency.

• 농촌의학ㆍ지역보건
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• 제19권2호
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• pp.107-118
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• 1994

Health effects of pesticide among vinylhouse workers in Sangjoo County, Kyungpook Province were assessed by measuring cholinesterase, glutathion reductase, and methemoglobin. Activities of cholinesterases among vinylhouse workers and general farmers were 3.89U and 3.98U in serum and 5.29U and 5.50U in red blood cells, respectively. While levels of methemoglobin between vinylhouse workers(0.16%) and general farmers(0.17%) were very similar, glutathione reductase among vinylhouse workers were 8% lower than that of general farmers. Inhibition of RBC cholinesterase among vinylhouse workers was two times greater than general farmers, suggesting a greater exposure of vinylhouse workers to the organophosphate pesticides. Methemoglobin level among vinylhouse workers with more than or equal to 10 vinylhouse units was 13% higher than that of the workers with less than 10 units. Vinylhouse workers using protective gears during pesticide spray showed higher level of reduced glutathione and lower level of methemoglobin, as compared to the non-users. This indicates that protective gears play an important role against pesticide exposure. Vinylhouse workers practicing good personal hygiene showed a higher level of reduced glutathione, as compared to those with poor personal hygiene, indicating that personal hygiene is also an important factor in reducing pesticide exposure. The present study represents a first attempt to analyze cholinesterase, methemoglobin and glutathione reductase activities among the vinylhouse workers. While neither vinylhouse workers nor general farmers showed abnormal findings among biochemical parameters used in the present study, increased level of methemoglobin and decrease of glutathione reductase activity among vinylhouse workers suggest that these workers have been subject to a higher exposure of pesticide than general farmers.

• 한국산업보건학회지
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• 제31권2호
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• pp.119-127
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• 2021

Objectives: We aimed to find the relationships between employment status and hs-CRP level among Korean wage workers using the 2016 Korean National Health and Nutrition Examination (KNHANE, revised). Methods: This study was conducted on 1,937 daytime wage workers over the age of 19 and within a normal weight range (18.5≤BMI≺25). Regular workers were defined as those granted an employment guarantee until reaching retirement age, and non-regular workers were defined as temporary, non-typical, dispatched, short-term workers and contractors. For hs-CRP, three divisions were classified as recommended by the Centers for Disease Control and Prevention (CDC) and American Heart Association (AHA) with less than 1.0 mg/L indicating low risk of cardiovascular disease, above 1.0 mg/L and below 3.0 mg/L considered moderate risk, and more than 3.0 mg/L indicating high risk. To find the relationship between work type and hs-CRP level in Korean wage workers, multinominal logistic regression analysis was performed. Results: For non-regular workers, the odds ratio of the cardiovascular moderate-risk group and cardiovascular high-risk group was statistically significant compared to regular workers. After adjusting for factors such as gender, age, subjective health status, income, education, smoking, and physical labor, the odds ratio of the cardiovascular high-risk group was statistically significant. Conclusions: In this study, the relationship between non-regular workers and high hs-CRP level was examined. Based on this, institutional strategies should be pursued to prevent and manage cardiovascular disease among non-regular workers.

• 대한예방한의학회지
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• 제13권1호
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• pp.117-130
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• 2009

This study was attempted to suggest fundamental data to take health care plan in terms of oriental medicine by evaluating the health-related quality of life according to the Sasang constitutional medicine (SCM) of factory workers. General characteristics, living habits, and health-related quality of life were investigated through self-administration questionnaire in the course of oriental health examination for 1,870 male workers at a manufacturing company located in the Jeollabuk-do region, and the Sasang constitution of each worker was identified and analyzed through questionnaires and oriental doctor's medical examination. For Sasang constitutional medicine, So-eum person(少陰人) was found to be the most, and then So-yang preson(少陽人), Tai-eum preson(太陰人), and Tai-yang preson(太陽人) in order; for lifestyle, smokers were most found in So-yang person workers, non-smokers in Tai-yang person workers, drinkers in Tai-yang person workers, and non-drinkers in So-eum person workers. For the general health score by the Sasang constitutions, Tai-yang person workers were found to be 42.73 in general health area, Tai-eum preson workers 41.69, So-yang person workers 40.87, and So-eum person workers 40.42; in the vitality area, Tai-eum person workers were found to be 45.14, So-yang person workers 44.16, So-eum person workers 43.02, and Tai-yang person workers 41.34. Specially, it was found that regular exercise improved physical health factors, drinking adversely affected mental health factors, and the mental health factors of Tai-eum person workers who have regularly exercised showed the highest values, while those of Tai-yang person workers who have not exercised showed the lowest values. There was difference in lifestyle by Sasang constitutions, and accordingly, the quality of life might be different Therefore it is deemed that health care plan is required to be taken by Sasang constitutions and lifestyle for health promotion and care of blue-collar workers in the future.

• 한국안전학회지
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• 제35권2호
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• pp.76-83
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• 2020

This study examined the effects of perceptual differences of safety leadership between managers and workers on workers' safety attitudes and behavior in two construction sites. In addition, the mediating role of safety attitude between safety leadership and safety behavior across discrepancy level of safety leadership. This study was conducted on two first-tier construction companies within the 100th place in 2019. Two companies were similar in size(100 - 150 billion won) and process from the basement frame finishing stage to start of the ground structure of apartment. In A Site, 40 managers and 73 workers, 42 managers and 77 workers in B site participated the survey on managers' safety leadership, and workers' safety attitude and behavior. The results showed that there was no significant difference between the safety leadership scores assessed by the manager and workers at site B. However, the safety leadership scores assessed by the managers were significantly higher than that by the workers at site A. The workers' safety attitudes and behaviors at site B were higher than those of workers at site A. Moreover, Site B was significantly higher in the effects of safety leadership on safety behavior than Site A. At site B, safety leadership had a significant influence on safety behavior even after controlling the safety attitude of workers. At site A, safety leadership had no significant effect on safety behavior after controlling safety attitude. These findings suggest that there is managers' self-serving bias on safety leadership in site A and that this bias of leadership can negatively affect workers' safety attitude and behaviors. In addition, it can be seen that if the self-serving bias on safety leadership occurs, the manager's safety leadership has less influence on workers' safety behavior.

• Annals of Occupational and Environmental Medicine
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• 제35권
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• pp.29.1-29.10
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• 2023

Background: Lone workers are generally defined as individuals who work alone without supervision, including self-employed people. While lone workers are considered a vulnerable group in some countries, there is a lack of research on their health status in domestic studies. Globally, the number of lone workers has been increasing, and this trend has been further accelerated since the coronavirus disease 2019 (COVID-19) pandemic with the rise of remote work. Methods: The study analyzed data from 44,281 participants, excluding unpaid family workers, soldiers, and those with missing data. Lone workers were defined as individuals who reported having no colleagues with the same job at their current workplace. Self-rated health status was categorized as "good" or "poor." Results: This study found a statistically significant higher number of lone workers among women compare to men. The largest occupational category for lone workers was service and sales workers, followed by agriculture and fisheries workers. A majority of non-lone workers reported working 40 hours or less per week, while the majority of lone workers reported working 53 hours or more per week. In addition, lone workers had significantly poorer health status evaluations compared to non-lone workers (odds ratio: 1.297; 95% confidence interval: 1.165-1.444). Conclusions: Further research is needed to investigate the causal relationship between lone work and health, using data collected after the COVID-19 pandemic.

• Safety and Health at Work
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• 제9권2호
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• pp.184-191
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• 2018

Background: Due to an increasing number of workers aged 50 years and above, the number of those employed is also on the rise, and those workers aged 50 and over has exceeded 50% of the total fatal occupational injuries. Therefore, it is necessary to implement the selection and concentration by identifying the characteristics of high-risk groups necessary for an effective prevention against and reduction of fatal occupational injuries. Methods: This study analyzed the characteristics of high-risk groups and the occupational injury fatality rate per 10,000 workers among the workers aged 50 and over through a multi-dimensional analysis by sex, employment status of workers, industry and occupation by targeting 4,079 persons who died in fatal occupational injuries from January 2007 to December 12. Results: The share of the workers aged 50 years and above is increasing every year in the total fatal occupational injuries occurrence, and the high-risk groups include 'male workers' by sex, 'daily workers' by worker's status, 'craft and related-trades workers' by occupation, and 'mining' by industry. Conclusion: The most frequent causal objects of fatal occupational injuries of the workers aged 50 years and above are found out to be 'installment and dismantlement of temporary equipment and material on work platforms including scaffold' in the construction industry and 'mobile crane, conveyor belt and fork lifts' in the manufacturing industry.