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Research Article
- Association between sleep duration and impaired fasting glucose according to work type in non-regular workers: data from the first and second year (2016, 2017) of the 7th Korean National Health and Nutrition Examination (KNHANE) (a cross-sectional study)
- JaeHan Joo, Jae-Gwang Lee, SangWoo Kim, JaeHan Lee, June-Hee Lee, Kyung-Jae Lee
- Ann Occup Environ Med 2020;32:e29. Published online July 30, 2020
- DOI: https://doi.org/10.35371/aoem.2020.32.e29
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Abstract
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ePub Background We aimed to find the relationship between sleep duration and impaired fasting glucose according to working type in non-regular workers using the 2016 and 2017 Korean National Health And Nutrition Examination (KNHANE, 7th revision).
Method In the 1st and 2nd year (2016, 2017) of the 7th KNHANE, 16,277 people participated. Minors were excluded because this study was intended for individuals aged 19 years and older. As this study was based on wage workers, unemployment, self-employed workers, employers, unpaid family workers, and those who have insufficient answers such as unknown or no response were excluded. Regular workers were excluded because this study was intended for non-regular workers. Finally, a total of 2,168 people were included in the survey, except those who had been diagnosed with diabetes, had a fasting blood glucose level of 126 mg/dL or higher, or taking hypoglycemic agents or receiving insulin injections. To find the relationship between sleep duration and impaired fasting glucose according to work type in non-regular workers, multiple logistic regression analysis was performed by adjusting the general and occupational characteristics after stratification according to work type. All statistical analyses were performed using the SPSS software (version 26.0; SPSS Inc., Chicago, IL, USA).
Results In the case of insufficient sleep duration in irregular female workers, the odds ratio (OR) of impaired fasting glucose was statistically insignificant, but in the case of insufficient sleep duration in irregular male workers who have shift work, the odds ratio (OR) of impaired fasting glucose was significantly higher than that of sufficient sleep duration (Model 1, OR: 3.05, 95% confidence interval [CI]: 1.18–7.90; Model 2, OR: 2.81, 95% CI: 1.08–7.29).
Conclusions Our findings demonstrate that insufficient sleep duration was associated with an increase in fasting blood glucose levels in non-regular male workers working shifts. This means that non-regular workers are in desperate need for adequate sleep and health care. We hope that our study will help improve the health of non-regular workers and more systematic and prospective follow-up studies will be conducted to further improve the health of non-regular workers.
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Citations
Citations to this article as recorded by
- The Impact of Night Work on the Sleep and Health of Medical Staff—A Review of the Latest Scientific Reports
Katarzyna Czyż-Szypenbejl, Wioletta Mędrzycka-Dąbrowska
Journal of Clinical Medicine.2024; 13(15): 4505. CrossRef - Peripheral blood lipid and liver and kidney function test results in long-term night shift nurses: a cross-sectional study in South China
Yang Zhao, Xunhao Lu, Yanghua Wang, Yiyi Cheng, Qiao He, Rongqi Qin, Wenrui Li, Haizhou Liu, Yuanfang Liu
Frontiers in Endocrinology.2023;[Epub] CrossRef - Unraveling the associations and causalities between glucose metabolism and multiple sleep traits
Minhan Yi, Quanming Fei, Ziliang Chen, Wangcheng Zhao, Kun Liu, Shijie Jian, Bin Liu, Meng He, Xiaoli Su, Yuan Zhang
Frontiers in Endocrinology.2023;[Epub] CrossRef - Nutritional Biomarkers and Factors Correlated with Poor Sleep Status among Young Females: A Case-Control Study
Sara AL-Musharaf, Lama AlAjllan, Ghadeer Aljuraiban, Munirah AlSuhaibani, Noura Alafif, Syed Danish Hussain
Nutrients.2022; 14(14): 2898. CrossRef
- The Impact of Night Work on the Sleep and Health of Medical Staff—A Review of the Latest Scientific Reports
- 209 View
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Research Article
- The exposure level of environmental harmful substances related to the secondhand smoke in Korean non-smoker adults: data from the second Korean National Environmental Health Survey (KoNEHS 2012–2014): a cross-sectional study
- Sang Woo Kim, Sung Won Jung, Jae-Gwang Lee, Jae Han Joo, June-Hee Lee, Kyung-Jae Lee
- Ann Occup Environ Med 2019;31:e30. Published online October 15, 2019
- DOI: https://doi.org/10.35371/aoem.2019.31.e30
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Abstract
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Background We aimed to find the exposure level of environmental harmful substances related to the secondhand smoke (SHS) using a nationally representative data of the general population in Korea.
Methods Total 3,533 people were included in this study. We compared the proportion exceeding 95 percentile of the concentrations of harmful substances by sex according to SHS exposure. 16 kinds of substances related to tobacco smoke were analyzed including heavy metals, polycyclic aromatic hydrocarbons, volatile organic compounds, and environmental phenol. For 16 kinds of substances, the odds ratios (ORs) for exceeding 95 percentile of each harmful substance were calculated by multiple logistic regression according to SHS exposure. Age, education level, marital status, body mass index, drinking, and exercise were adjusted as covariates. Cotinine level was additionally adjusted to increase reliability of our results.
Results SHS was associated with high exposure of mercury, methylhippuric acid, fluorene, and cotinine. In women, SHS was associated with mercury, methylhippuric acid, fluorene, and cotinine, while in men, it was associated with cotinine. After adjusting covariates, ORs of blood mercury, methylhippuric acid and hydroxyfluorene in the exposed gruop were greater than that in the non-exposed group. Especially in female, methylhippuric acid and hydroxyfluorene showed consistent result.
Conclusions Our finding demonstrates that SHS is related to several harmful substances. Therefore, to reduce the health effects of SHS, it is necessary to educate and publicize the risk of SHS. Future studies are necessary to more accurately analyze factors such as exposure frequency, time, and pathway of SHS.
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Citations
Citations to this article as recorded by- Sleep duration mediates the association between heavy metals and the prevalence of depression: an integrated approach from the NHANES (2005–2020)
Qingsong Mao, Xiaoyi Zhu, Yuzhe Kong
Frontiers in Psychiatry.2024;[Epub] CrossRef - Joint association of heavy metals and polycyclic aromatic hydrocarbons exposure with depression in adults
Miaomiao Jiang, Hui Zhao
Environmental Research.2024; 242: 117807. CrossRef - Environmental tobacco smoke exposure is associated with increased levels of metals in children’s saliva
Lisa M. Gatzke-Kopp, Jenna L. Riis, Hedyeh Ahmadi, Hillary L. Piccerillo, Douglas A. Granger, Clancy B. Blair, Elizabeth A. Thomas
Journal of Exposure Science & Environmental Epidemiology.2023; 33(6): 903. CrossRef - Passive smoking exposure and the risk of hypertension among non-smoking adults: the 2015–2016 NHANES data
Onoja Matthew Akpa, Akinkunmi Paul Okekunle, Jeffery Osahon Asowata, Babatunde Adedokun
Clinical Hypertension.2021;[Epub] CrossRef
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Research Article
- The association between long working hours and work-related musculoskeletal symptoms of Korean wage workers: data from the fourth Korean working conditions survey (a cross-sectional study)
- Jae-Gwang Lee, Guang Hwi Kim, Sung Won Jung, Sang Woo Kim, June-Hee Lee, Kyung-Jae Lee
- Ann Occup Environ Med 2018;30:67. Published online December 3, 2018
- DOI: https://doi.org/10.1186/s40557-018-0278-0
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Abstract
PDFPubReaderePub
Background It has been reported that long working hours are hazardous to the workers’ health. Especially, work-related musculoskeletal disorders (WMSDs) have been considered as one of the significant health issues in workplace. The objective of this study was to identify the association between long working hours and work-related musculoskeletal symptoms.
Methods The analysis was conducted using data from the Fourth Korean Working Conditions Survey (KWCS). Subjects of this study were 24,783 wage workers and divided into three groups according to the weekly working hours, which were ≤ 40, 41–52 and > 52 h. The relationship between long working hours and work-related musculoskeletal symptoms was analyzed by multivariate logistic regression method after adjusting for general, occupational characteristics including specific working motions or postures and psychosocial factors.
Results Approximately 18.4% of subjects worked more than 52 h per week and 26.4 and 16.4% of male subjects and 33.0 and 23.4% of female subjects experienced work-related upper and lower limb pains, respectively, over the last 12 months. Moreover, the prevalence of upper and lower limb pain was increased in both genders as the weekly working hours increased. The odds ratios (ORs) of upper limb pain for those working 41–52 h and more than 52 h per week when adjusted for general, occupational characteristics including specific motions or postures and psychosocial factors were 1.36 and 1.40 for male workers and 1.26 and 1.66 for female workers compared to the reference group, respectively. Furthermore, ORs of lower limb pain for the same weekly working hour groups were 1.26 and 1.47 for male workers and 1.20 and 1.47 for female workers, respectively.
Conclusions Long working hours were significantly related to work-related musculoskeletal symptoms in Korean wage workers and appropriate interventions should be implemented to reduce long working hours that can negatively affect workers’ health.
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Citations
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