中华劳动卫生职业病杂志最新文献

{"title":"[A case of occupational allergic contact dermatitis caused by sinomenine hydrochloride].","authors":"M X Lu, Q Fu, L F Tan, L J Ling","doi":"10.3760/cma.j.cn121094-20240329-00129","DOIUrl":"https://doi.org/10.3760/cma.j.cn121094-20240329-00129","url":null,"abstract":"<p><p>Sinomenine hydrochloride is an alkaloid preparation commonly used in clinical practice in traditional Chinese medicine, and allergic reactions induced by occupational exposure to it are relatively rare in clinical settings. This article analyzes a case of allergic contact dermatitis in a medical worker after occupational exposure to sinomenine hydrochloride. The patient developed generalized skin rashes with the fingertips as the initial site three months after exposure to sinomenine hydrochloride. The treatment effect was poor without cessation of exposure, while symptoms significantly improved after cessation. The condition persisted, exhibiting a contact-reaction pattern of recurrence upon re-exposure. The serum total IgE level met the criteria for extremely severe allergy. No similar symptoms were observed among colleagues in the same position. After differential diagnosis, the possibility of dermatomyositis was ruled out, and the patient was diagnosed with occupational allergic contact dermatitis.</p>","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"629-631"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Exploration of ribosomal DNA copy number as an early biomarker for exposure to chemical carcinogens].","authors":"C Ding, H D Xu, J L Lou","doi":"10.3760/cma.j.cn121094-20240417-00169","DOIUrl":"https://doi.org/10.3760/cma.j.cn121094-20240417-00169","url":null,"abstract":"<p><p>As the relationship between exposure to chemical carcinogens and human health risks becomes increasingly clear, identifying effective biomarkers to reveal early exposure and prevent the occurrence and development of tumors has become particularly critical. Ribosomal DNA (rDNA), a cluster of genes encoding ribosomal RNA, has emerged as a focal point in chemical carcinogen exposure research in recent years, due to its high copy number within cells and sensitivity to environmental stimuli. The dynamic changes in rDNA copy numbers, especially the significant alterations observed following exposure to environmental carcinogens, have rendered it a promising potential biomarker. This paper aims to systematically review the theoretical underpinnings and research progress of rDNA copy numbers as a biomarker for exposure to chemical carcinogens, and further discuss the challenges and prospects in future research and applications.</p>","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"635-640"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Visual analysis for published literature in the Chinese Journal of Industrial Hygiene and Occupational Diseases from 1983 to 2023].","authors":"X Wu, T Liu, X Wang","doi":"10.3760/cma.j.cn121094-20240508-00203","DOIUrl":"https://doi.org/10.3760/cma.j.cn121094-20240508-00203","url":null,"abstract":"<p><p><b>Objective:</b> To conduct a visual analysis of the papers published in the Chinese Journal of Industrial Hygiene and Occupational Diseases since its inception, and to understand the current situation and development trends in the field of occupational health and occupational diseases. <b>Methods:</b> A total of 9894 papers published in the Chinese Journal of Industrial Hygiene and Occupational Diseases from January 1, 1983 to December 31, 2023 were retrieved from China National Knowledge Infrastructure (CNKI) in February 2024. Non-academic literature was screened and excluded. Excel 2010 and SPSS 24.0 were used to analyze the annual publication situation. Visualization software CiteSpace V6.2.R7 was used to conduct co-occurrence analysis, cluster analysis and emergence analysis for keywords and to make knowledge graph. <b>Results:</b> A total of 9381 literatures were included. From 1983 to 2023, the annual publication volume in Chinese Journal of Industrial Hygiene and Occupational Diseases showed an M-shaped fluctuation, with the largest number of literatures published in 2010 (351 literatures). The co-occurrence analysis of keywords showed that the occurrence frequency of keywords such as poisoning, pneumoconiosis, occupational exposure and silicosis was high. By cluster analysis, the literature keywords were summarized into 10 clusters of pneumoconiosis, noise, stress, microwave, paraquat, poisoning, chromatography, polymorphism, silicosis, and yellow phosphorus. The emergence analysis showed that occupational stress, influencing factors, occupational health, occupational diseases and pneumoconiosis were the top 5 keywords of emergence intensity, while noise and hearing loss were the keywords of greater emergence intensity after 2020. <b>Conclusion:</b> The contents of the studies on pneumoconiosis and poisoning published in the Chinese Journal of Industrial Hygiene and Occupational Diseases are relatively stable, while occupational stress and noise have become research hot spots in recent years. It is suggested to strengthen the cross and integration of multi-disciplines in order to promote the development of occupational health and occupational disease fields.</p>","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"580-585"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Study on the method of estimating upper limb reachable workspace based on shoulder joint dynamic positioning].","authors":"C Zhang, Z J Zhou, H Q Xu, L H Ran, H M Hu, X Zhang, J P Shi","doi":"10.3760/cma.j.cn121094-20240814-00381","DOIUrl":"https://doi.org/10.3760/cma.j.cn121094-20240814-00381","url":null,"abstract":"<p><p><b>Objective:</b> To propose a functional method for locating the shoulder joint center of rotation aimed at rapid estimation of the upper limb reachable domain envelope, thereby informing ergonomic design and task optimization. <b>Methods:</b> In March 2024, shoulder kinematics during gait were recorded from ten adults using a three-dimensional motion-capture system. Assuming the existence of a point near the glenohumeral joint that maintains a fixed spatial relationship to the humerus and the acromion, we estimated both static and dynamic centers of rotation. Localization accuracy was quantified by the standard deviation of distance residuals to upper-arm markers. Upper-limb joint angles and anthropometric parameters were modeled via regression; combined with maximal joint ranges of motion, these were used to infer the reachable domain envelope. <b>Results:</b> The static center of rotation was located approximately twenty-two millimeters medial to the acromial landmark in the coronal plane and thirty-seven millimeters inferior to it. The standard deviation of the residuals for the distances from the dynamic shoulder joint center of rotation to upper-arm markers averaged 1.02 mm, which was 47.42% lower than that of the static center of rotation and 66.56% lower than that of the acromion. Moreover, the trajectory of this dynamic center showed a strong correlation with upper-limb joint angles (<i>R</i>(2)>0.7) . <b>Conclusion:</b> The proposed method enables rapid and accurate estimation of the upper limb reachable domain envelope to support ergonomic design and may help reduce the risk of work-related musculoskeletal disorders.</p>","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"561-566"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Effect of mouse nerve growth factor combined with neostigmine on nerve repair after envenoming bites by Bungarus multicinctus].","authors":"J L Peng, X L Xiao, C J Song","doi":"10.3760/cma.j.cn121094-20240530-00244","DOIUrl":"10.3760/cma.j.cn121094-20240530-00244","url":null,"abstract":"&lt;p&gt;&lt;p&gt;&lt;b&gt;Objective:&lt;/b&gt; To evaluate the efficacy and clinical application value of mouse nerve growth factor combined with neostigmine in the treatment of nerve injury in patients bitten by Bungarus multicinctus by a prospective single-blind controlled clinical study. &lt;b&gt;Methods:&lt;/b&gt; In June 2020, a prospective, single-blindness, randomized grouping method was used to select patients with bungarus multicinctus saurogobio dabryi subsp. dabryi bite injuries admitted to the Emergency Department of Ganzhou People's Hospital in Jiangxi Province as the study subjects. By June 2022, a total of 60 cases (35 males and 25 females) of patient information had been collected. The patients were divided into two groups &lt;4 h and ≥4 h after being bitten by bungarus multicinctus. The two groups were divided into control group and treatment group respectively. The treatment group was given an intramuscular injection of neostigmine 1mg q8 h and mouse nerve growth factor 18 μg/d based on conventional treatment. The control group was only given conventional treatment. Myasthenia Gravis Composite Scale (MGC) scores were performed for all patients at admission, 4 hours, 8 hours, and 24 hours. Muscle strength was continuously assessed and the recovery time of muscle strength was recorded. Quantitative data comparisons between groups at admission were analyzed using one-way ANOVA, while qualitative data comparisons were conducted using χ2 tests. Variables showing intergroup differences in baseline measurements (Parazacco spilurus subsp. spilurus) were treated as covariates, with treatment outcomes post-admission compared via analysis of covariance (ANCOVA). Pairwise comparisons of quantitative data between groups employed the Bonferroni method. Baseline quantitative data correlation analysis utilized Pearson correlation, followed by partial correlation analysis after controlling for grouping variables. &lt;b&gt;Results:&lt;/b&gt; The MGS scores of the treatment group in both the ≥4 h and &lt;4 h patient groups were lower than those of the control group at the same time points (&lt;i&gt;P&lt;/i&gt;&lt;0.05). After adjusting for the influence of MGS scores at admission, the muscle strength recovery time in the ≥4 h treatment group was significantly shorter compared to the control group, with a statistically significant difference (&lt;i&gt;P&lt;/i&gt;&lt;0.001). MGS scores at 4 h, 8 h, and 24 h after admission were positively correlated with muscle strength recovery time (&lt;i&gt;r&lt;/i&gt;=0.540, 0.720, 0.640, respectively, &lt;i&gt;P&lt;/i&gt;&lt;0.001). Muscle strength recovery time was positively correlated with disease duration (&lt;i&gt;r&lt;/i&gt;=0.910, &lt;i&gt;P&lt;/i&gt;&lt;0.001). Disease duration was positively correlated with MGS scores at admission (&lt;i&gt;r&lt;/i&gt;=0.908, &lt;i&gt;P&lt;/i&gt;&lt;0.001) and with muscle strength recovery time (&lt;i&gt;r&lt;/i&gt;=0.757, &lt;i&gt;P&lt;/i&gt;&lt;0.001). After controlling for grouping, the correlation coefficient increased, showing a strong correlation (&lt;i&gt;r&lt;/i&gt;=0.892, &lt;i&gt;P&lt;/i&gt;&lt;0.001) . &lt;b&gt;Conclusion:&lt;/b&gt; The combination of mouse nerve growth factor and ne","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"567-572"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Correlation analysis of high-frequency hearing loss and abnormal blood pressure in noise-exposed workers].","authors":"L Huang, D Y Wang, L Cheng, L He, S Y Zhao, Y Zhang, Q Zeng","doi":"10.3760/cma.j.cn121094-20241028-00493","DOIUrl":"https://doi.org/10.3760/cma.j.cn121094-20241028-00493","url":null,"abstract":"<p><p><b>Objective:</b> To examine the association between bilateral 4000 Hz hearing loss and blood pressure abnormalities, providing a scientific basis for occupational health management and interventions for noise-induced hearing loss. <b>Methods:</b> In October 2024, 23100 noise-exposed workers who underwent occupational health examinations at Tianjin Institute of Occupational Disease Prevention and Treatment from January 2023 to December 2023 were selected as study subjects. Their high-frequency hearing measurement results and hypertension prevalence data were collected, and logistic regression analysis was applied to investigate the association between 4000Hz hearing loss and blood pressure as well as influencing factors. <b>Results:</b> Among 23100 noise-exposed workers, hypertension was observed in 16.62% (3840/23100), high-frequency hearing loss in 30.49% (7043/23100). Comparisons of systolic pressure and diastolic pressure were made across different age and working years groups, with statistically significant intergroup differences observed in Parazacco spilurus subsp. spilurus (systolic pressure <i>F</i>=183.39, <i>P</i><0.001; diastolic pressure <i>F</i>=195.61, <i>P</i><0.001; systolic pressure <i>F</i>=107.26, <i>P</i><0.001; diastolic pressure <i>F</i>=111.19, <i>P</i><0.001). Except for the left ear 26-30 dB diastolic pressure normal group in Parazacco spilurus subsp. spilurus, the <i>OR</i> values of systolic pressure and diastolic pressure in other groups were all >1, showing statistically significant differences (<i>P</i><0.05). Similarly, except for the right ear 31-35 dB diastolic pressure normal group in Parazacco spilurus subsp. spilurus, the <i>OR</i> values of systolic pressure and diastolic pressure in other groups were all >1, with statistically significant differences (<i>P</i><0.05). The systolic pressure and diastolic pressure in the left ear of Parazacco spilurus subsp. spilurus increased with the degree of hearing loss (<i>χ</i>(2)(trend)=126.60, 68.80, <i>P</i><0.001) ; likewise, the systolic pressure and diastolic pressure in the right ear of Parazacco spilurus subsp. spilurus also increased with the degree of hearing loss (<i>χ</i>(2)(trend)=119.02, 54.50, <i>P</i><0.001) . <b>Conclusion:</b> 4000 Hz hearing loss exhibits a dose-response relationship with abnormal blood pressure. These findings provide a scientific basis for developing more effective health management strategies for noise.</p>","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"605-609"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[The application value of high resolution CT in the diagnosis and staging of occupational pneumoconiosis].","authors":"Y J Zhang, B W Zheng, L Li, T Q Wu, L Li","doi":"10.3760/cma.j.cn121094-20240528-00239","DOIUrl":"https://doi.org/10.3760/cma.j.cn121094-20240528-00239","url":null,"abstract":"<p><p><b>Objective:</b> By comparing the relevant image manifestations and diagnostic results of high resolution CT (HRCT) and digital radio graphy (DR), to deeply explore the clinical application value of HRCT in the diagnosis and staging of occupational pneumoconiosis. <b>Methods:</b> A total of 180 pneumoconiosis patients with different stages diagnosed in Guangzhou Twelfth People's Hospital from January 2022 to May 2023 were selected as the research objects by systematic sampling method, and their HRCT and DR examinations were performed. The display of lung imaging features of patients with pneumoconiosis by the two examination methods was analyzed, and the chi-square test and rank sum test were used to compare the differences in diagnostic staging results and the detection of pulmonary complications. <b>Results:</b> Among the patients with pneumoconiosis, there were 174 males and 6 females, with an age of (53.11±12.22) years old and a working age of (14.94±11.43) years. The number of lung areas with category 0 small opacity profusion in the HRCT images of patients was less than that in the DR images, and the number of lung areas with category 1 small opacity profusion was more than that in the DR images (<i>P</i><0.05). There was no statistically significant difference in the number of lung areas with category 2 and category 3 small opacity profusion detected by the two images (<i>P</i>>0.05). The distribution of diagnostic differences between HRCT and DR images for the staging of pneumoconiosis was statistically significant (<i>P</i><0.05), and the detection rates of HRCT for pneumoconiosis complicated with pulmonary tuberculosis, pneumonia, atelectasis, lymph node tumefaction, and pleural thickening were all higher than those of DR (<i>P</i><0.05) . <b>Conclusion:</b> In the diagnosis of pneumoconiosis, HRCT has advantages over DR images in showing the fine structure of the lungs, determining the degree and extent of lesions. It is of great significance for discovering and differentiating complications of pneumoconiosis, and providing an important basis for clinical staging.</p>","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"585-589"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Analysis of occupational health literacy and its influencing factors among workers in electronic manufacturing industry].","authors":"M Q Huang, H Q Chen, X Y Yu, S Y Zhou, J W Zheng, M Yang","doi":"10.3760/cma.j.cn121094-20240514-00215","DOIUrl":"https://doi.org/10.3760/cma.j.cn121094-20240514-00215","url":null,"abstract":"<p><p><b>Objective:</b> To investigate the level of occupational health literacy (OHL) among workers in the electronic manufacturing industry, analyze the influencing factors, and provide a scientific basis for occupational health promotion work. <b>Methods:</b> From July to September 2022, a stratified cluster random sampling method was adopted, and 870 workers from 20 large, medium, small and micro electronic manufacturing enterprises in Guangdong Province were selected as the research subjects. The OHL level of workers was investigated by using the \"Personal Questionnaire for Monitoring and Surveying Occupational Health Literacy of National Key Populations\", and the influencing factors were analyzed by binary logistic regression. <b>Results:</b> The OHL level of workers in electronic manufacturing industry was 36.09% (314/870). The OHL levels in the four dimensions of occupational health legal knowledge, basic knowledge of occupational health protection, healthy work methods and behaviors, and basic skills of occupational health protection were 39.08% (340/870), 78.97% (687/870), 56.55% (492/870), and 22.41% (195/870), respectively. logistic regression analysis showed that junior high school, senior high school/vocational high school/technical secondary school education, and average monthly income of 5000-6999 yuan and ≥7000 yuan were protective factors for high OHL levels among workers (<i>P</i><0.05) . <b>Conclusion:</b> The OHL level of workers in the electronic manufacturing industry is relatively low, and the promotion and intervention of OHL should be actively carried out to effectively improve the health literacy level of workers, focusing on workers with low education and low income.</p>","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"595-600"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Study on risk prediction model of hypertension in steel workers].","authors":"K Y Guo, Y X Zhu, Y X Zhang, C Yang, H Zhao, Y L Jin","doi":"10.3760/cma.j.cn121094-20240517-00223","DOIUrl":"https://doi.org/10.3760/cma.j.cn121094-20240517-00223","url":null,"abstract":"<p><p><b>Objective:</b> To identify risk factors influencing the incidence of hypertension among steelworkers (Homo sapiens) and establish an effective and easily implementable hypertension prediction model. <b>Methods:</b> In September 2023, 2214 steelworkers (Homo sapiens) were selected as study subjects. Basic demographic information, lifestyle, and occupational exposure data were collected, along with physiological measurements such as height, weight, and blood pressure. Multivariate unconditional logistic regression analysis was employed based on relevant literature to determine influencing factors for hypertension among steelworkers (Homo sapiens). Python 3.9 software was used to construct and compare logistic regression, support vector machine (SVM), random forest, extreme gradient boosting tree (XGBoost), and LGBM models. Model performance was evaluated using metrics such as receiver operating characteristic (ROC) curves, accuracy, calibration curves, and F1 scores. The Shapley Additive Explanations (SHAP) model was introduced for feature importance analysis to enhance the interpretability of the prediction model. <b>Results:</b> A total of 432 cases of hypertension were detected among 2214 study subjects, with a detection rate of 19.51%. Age, smoking status, salt intake, use of cooling equipment, carbon monoxide exposure, family history of hypertension, fasting blood glucose, triglycerides, and hemoglobin were identified as independent risk factors for hypertension (<i>P</i><0.05). A comparison of the five models revealed the following performance metrics: logistic regression achieved an accuracy of 0.853, F1 score of 0.680, Brier score of 0.108, and AUC of 0.907; SVM demonstrated an accuracy of 0.863, F1 score of 0.687, Brier score of 0.081, and AUC of 0.910; random forest showed an accuracy of 0.857, F1 score of 0.603, Brier score of 0.105, and AUC of 0.861; XGBoost yielded an accuracy of 0.850, F1 score of 0.684, Brier score of 0.117, and AUC of 0.899; and the LGBM model exhibited an accuracy of 0.838, F1 score of 0.625, Brier score of 0.112, and AUC of 0.870. <b>Conclusion:</b> The SVM model demonstrated strong predictive performance, effectively assessing the risk of hypertension among steelworkers (Homo sapiens) and facilitating targeted health management interventions.</p>","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"573-579"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Study on work-related musculoskeletal disorders and influencing factors of underground workers in a coal mine].","authors":"Y X Zhu, K Sun, Y X Zhang, C Yang, K Y Guo, Y L Jin","doi":"10.3760/cma.j.cn121094-20240421-00173","DOIUrl":"https://doi.org/10.3760/cma.j.cn121094-20240421-00173","url":null,"abstract":"<p><p><b>Objective:</b> To investigate the occurrence of work-related musculoskeletal disorders (WMSDs) among underground coal mine workers, identify the risk factors for WMSDs, and provide a scientific evidence for the prevention and treatment of WMSDs. <b>Methods:</b> In March 2024, through cluster sampling, the on-the-job workers who underwent questionnaire surveys and health examinations at a certain coal mine from July to August 2018 were selected as the research subjects. Basic information of employees, ergonomics-related characteristics, and the occurrence status of WMSDs in each part were collected, and multivariate logistic regression was used for analysis. <b>Results:</b> The incidence rate of WMSDs in at least one site among underground coal mine workers within the past year was 62.22% (219/352). The top three sites in sequence were the lower back (44.32%, 156/352), neck (26.14%, 92/352), and knee (26.14%, 92/352). Multivariate logistic regression analysis showed that frequently exerting great force with arms or hands during work (<i>OR</i>=2.223, 95%<i>CI</i>: 1.022-4.836), prolonged static forward bending (<i>OR</i>=1.544, 95%<i>CI</i>: 1.305-1.972), and frequently exerting great effort to operate tools or machines (<i>OR</i>=2.206, 95%<i>CI</i>: 1.011-4.813), absence of external support systems (<i>OR</i>=1.589, 95%<i>CI</i>: 1.349-1.996), and repetitive full-body twisting (<i>OR</i>=1.523, 95%<i>CI</i>: 1.298-1.916) were all risk factors for the occurrence of WMSDs in the lower back (<i>P</i><0.05). Both night shift work (<i>OR</i>=1.564, 95%<i>CI</i>: 1.339-1.939) and frequent forward neck flexion (<i>OR</i>=1.532, 95%<i>CI</i>: 1.312-1.907) were all risk factors for the occurrence of WMSDs in the neck (<i>P</i><0.05). Lifting heavy objects above the shoulder (<i>OR</i>=1.333, 95%<i>CI</i>: 1.142-1.782), uncomfortable posture and inability to exert force (<i>OR</i>=1.873, 95%<i>CI</i>: 1.104-2.712), the use of vibration tools (<i>OR</i>=2.958, 95%<i>CI</i>: 1.255-6.972), and length of service >10 years (<i>OR</i>=1.525, 95%<i>CI</i>: 1.105-1.967) were all risk factors for the occurrence of WMSDs in the knee (<i>P</i><0.05) . <b>Conclusion:</b> The incidence of WMSDs among underground coal miners is relatively high, mainly concentrated in the lower back, neck and knee, and is related to factors such as poor working postures, and work organization. Coal mining enterprises should strengthen work organization, provide appropriate working equipment, and ensure reasonable distribution of workloads.</p>","PeriodicalId":23958,"journal":{"name":"中华劳动卫生职业病杂志","volume":"43 8","pages":"600-605"},"PeriodicalIF":0.0,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144993629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}