Prevalence of work-related musculoskeletal disorders among workers in the automobile manufacturing industry in China: a systematic review and meta-analysis

Introduction The job of sonographers exposes them to numerous ergonomic risk factors, making the sonography profession one of the high-risk job groups vulnerable to musculoskeletal disorders (MSDs). The present systematic review and meta-analysis specifically examined the prevalence of MSDs among sonographers. Materials and methods The present review study was carried out in accordance with the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines. The protocol of the study was registered in the international prospective register of systematic review (PROSPERO) with the code CRD42024507972. Searches were conducted in databases including PubMed, Scopus, Web of Science, Science Direct, SID, ISC, and Google Scholar, without imposing a time limit until February 7th, 2024. The random-effects model was employed for meta-analysis, and the I 2 index was used to assess heterogeneity among studies. Finally, data analysis was performed using STATA (version 14). Results Based on the search in different databases, a total of 4367 articles were identified. Finally, after screening, selecting, and quality evaluation of the studies, 30 studies were considered for meta-analysis in which 13,916 sonographers were examined. According to the results of the meta-analysis, the overall prevalence of MSDs among sonographers was reported as 75.80% (95% CI: 65.37–86.23, I 2 = 99.7%, P < 0.001). Additionally, the prevalence rates of these disorders in the neck (63.73%), shoulder (60.13%), upper back (53.69%), lower back (49.84%), wrist (44.41%), elbow (27.46), hip (24.93%), knee (19.59), and ankle (16.92%) were determined. Conclusion Given the relatively high prevalence of MSDs among sonographers and the importance of reducing specific risk factors associated with their duties, it is recommended to consider solutions such as carrying out ergonomic assessments and interventions, as well as providing training programs and appropriate corrective exercises to mitigate MSDs among sonographers.

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Sleep quality and nighttime sleep duration mediated the association between occupational stress and work-related musculoskeletal disorders among bus drivers

Wang,

Weng,

Lin

et al. 2024

Preprint

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Background Work-related musculoskeletal disorders (WMSDs) significantly affect bus drivers’ health and warrant adequate attention. This study aimed to explore the associations of occupational stress with WMSDs among bus drivers, and assess the potential mediating role of sleep quality and nighttime sleep duration. Methods A total of 1792 bus drivers with the available information from 5 subsidiaries of Shenzhen Bus Group by convenient sampling method were included. Logistic regression model was used to estimate the associations of occupational stress, sleep quality and nighttime sleep duration with WMSDs. Mediation analysis was performed to explore the role of sleep quality and nighttime sleep duration in the association between occupational stress and WMSDs. Results The prevalence rate of single-site, multiple-site, and overall WMSDs among bus drivers were 10.04%, 59.26%, and 69.31%, respectively. Compared to participants without occupational stress, those with occupational stress showed a 92% higher risk of multiple-site WMSDs and a 1.03-fold elevated risk of overall WMSDs [OR (95% confidence interval, CI) = 1.92 (1.56, 2.36) and 2.03 (1.63, 2.55), respectively]. Bus drivers with poor sleep quality had a 3.73-fold risk of multiple-site WMSDs and 4.82-fold risk of overall WMSDs than those in high sleep quality [OR (95% CI) = 3.73 (2.89, 4.84) and 4.82 (3.53, 6.71), respectively]. Each 1-hour increment in nighttime sleep duration was linked to a 36% declined risk of multiple-site WMSDs and a 37% reduced risk of overall WMSDs [OR (95% CI) = 0.64 (0.58, 0.71) and 0.63 (0.57, 0.70), respectively]. Further mediation analysis indicated that poor sleep quality and decreased nighttime sleep duration partly mediate the associations between occupational stress and risk of both multiple-site and overall WMSDs. Conclusion Occupational stress and poor sleep quality significantly elevated the risk of both multiple-site and overall WMSDs, while increased nighttime sleep duration was associated with a reduced risk of multiple-site and overall WMSDs. Sleep quality and nighttime sleep duration could partly mediate the relationship between occupational stress and both multiple-site and overall WMSDs. Highlighting the importance of reducing occupational stress, maintaining good sleep quality and sufficient nighttime sleep duration for WMSDs prevention.

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Prevalence of work-related musculoskeletal disorders among workers in the automobile manufacturing industry in China: a systematic review and meta-analysis

Cited by 5 publications

References 35 publications

Musculoskeletal disorders among taxi drivers: a systematic review and meta-analysis

Musculoskeletal disorders among taxi drivers: a systematic review and meta-analysis

Musculoskeletal disorders among sonographers: a systematic review and meta-analysis

Sleep quality and nighttime sleep duration mediated the association between occupational stress and work-related musculoskeletal disorders among bus drivers

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