Annals of Occupational and Environmental Medicine

Research Article

Association between shift work and obesity according to body fat percentage in Korean wage workers: data from the fourth and the fifth Korea National Health and Nutrition Examination Survey (KNHANES 2008–2011): ManKi Son, Byeong Jin Ye, Jung-Il Kim, ShinUk Kang, Kap-Yeol Jung; Ann Occup Environ Med 2015;27:32. Published online December 23, 2015; DOI: https://doi.org/10.1186/s40557-015-0082-z

Background

Health problems in shift workers vary including obesity acting as a risk factor in cerebrovascular diseases. Recent studies have commonly determined the prevalence of obesity in shift workers on the basis of body mass index. The accuracy of BMI for diagnosing obesity are still limited apparently. Consequently, this study aimed to determine the relationship between shift work and obesity according to the total body fat percentage in Korean wage workers.

Methods

From the Fourth and the Fifth Korea National Health and Nutrition Examination Survey (2008–2011), after military personnel were excluded, a total of 2952 wage workers (20 ≤ age ≤ 65) whose current jobs were their longest jobs were selected as subjects of the study. The total body fat percentage was used to determine the obesity standards (≥25.7 % in males and ≥36.0 % in females). The subjects were divided into groups by gender and work type (manual vs non-manual), and chi-squared test was used to evaluate the relationship between socio-economic, health behavior, and work-related factors, on the one hand, and obesity, on the other. In addition, multivariate logistic regression analysis was performed to examine the effects of shift work on obesity.

Results

When other factors were controlled for, the risk of obesity in shift work showed a statistically significant increase (odds ratio = 1.779, 95 % confidence interval = 1.050-3.015) in the male manual worker group. However, there were no significant results in the male non-manual and female worker groups.

Conclusion

Shift work was related to a higher risk of obesity in the Korean male manual worker group.

Citations

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The effect of shift work on body mass index: A systematic review and meta‐analysis of observational studies
Karolina Łagowska, Agnieszka Kuleta‐Koberska, Michał Michalak, Joanna Bajerska
American Journal of Human Biology.2024;[Epub] CrossRef
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Sora Han, Sungjae Shin, Onyoo Kim, Namki Hong
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Prediction of risk of coronary artery disease based on the Framingham risk score in association with shift work among nurses
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Case Report

A Case of Complicated Silicosis with a Complex Clinical Course in a Glass Manufacturing Worker: Hee-Seok Yang, Jung-Il Kim, Byeong-Jin Ye, Tae-Jun Yoo, Sun-Woo Lee, Kap-Yeol Jung; Ann Occup Environ Med 2014;26:10-10. Published online May 15, 2014; DOI: https://doi.org/10.1186/2052-4374-26-10

Abstract PDF PubReader ePub

We reported a case of complicated silicosis that occurred in a glass manufacturing plant worker who had presumably been exposed to low-concentration free silica for almost 20 years. To the best of our knowledge this report is the first in the Republic of Korea. The physician’s first impression was cancer since the enlargement of neck and supraclavicuar lymph nodes had clearly progressed and metastasis was suspected in ultrasonography. However, it turned out to be reactive hyperplasia and anthracosis. Although lung cancer was suspected and tests were performed in 2 hospitals due to repetitive cough and dyspnea, along with weight loss of approximately 10% over the course of 7 months, the patient was eventually diagnosed with complicated silicosis and pneumothorax occurred after 1 year. Herein, we report this case with a literature review.

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Case Report

Malignant Fibrous Histiocytoma of the Maxillary Sinus in a Spray Painter from an Automobile Repair Shop: Seok-Hwan Choi, Se-Yeong Kim, Man-Ki Son, Hui-Seok Yang, Sun-Woo Lee, Jung-Il Kim, Kap-Yeol Jung; Ann Occup Environ Med 2013;25:30-30. Published online November 1, 2013; DOI: https://doi.org/10.1186/2052-4374-25-30

Abstract PDF PubReader ePub

Background

We report a case of a spray painter who developed malignant fibrous histiocytoma (MFH) of the maxillary sinus following long-term exposure to chromium, nickel, and formaldehyde, implying that these agents are probable causal agents of MFH.

Case report

The patient developed right-sided prosopalgia that began twenty months ago. The symptom persisted despite medical treatment. After two months, he was diagnosed with MFH through imaging studies, surgery, and pathological microscopic findings at a university hospital in Seoul. His social, medical, and family history was unremarkable.

The patient had worked for about 18 years at an automobile repair shop as a spray painter. During this period, he had been exposed to various occupational agents, such as hexavalent chromium, nickel, and formaldehyde, without appropriate personal protective equipment. He painted 6 days a week and worked for about 8 hours a day.

Investigation of the patient’s work environment detected hexavalent chromium, chromate, nickel, and formaldehyde.

Conclusions

The study revealed that the patient had been exposed to hexavalent chromium, formaldehyde, and nickel compounds through sanding and spray painting. The association between paranasal cancer and exposure to the aforementioned occupational human carcinogens has been established. We suggest, in this case, the possibility that the paint spraying acted as a causal agent for paranasal cancer.

Citations

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Frontiers in Public Health.2023;[Epub] CrossRef
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