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BMC Public Health

, 12:149

First Online: 01 March 2012Received: 08 August 2011Accepted: 01 March 2012DOI: 10.1186-1471-2458-12-149

Cite this article as: Xu, G., Pang, D., Liu, F. et al. BMC Public Health 2012 12: 149. doi:10.1186-1471-2458-12-149


BackgroundVery few studies have evaluated the association between occupational factors and low back pain LBP among miners. The epidemiological data on LBP in Chinese miners are limited. The aim of this study was to measure the prevalence of low back pain in Chinese coal miners and to investigate the role of occupational factors.

MethodsA cross-sectional survey was conducted to examine 1573 coal miners in northern China. The prevalence of LBP over a 12-month period was assessed using the Nordic Musculoskeletal Questionnaire. Odds ratios were calculated to examine the association between the prevalence of LBP over a 12-month period and occupational factors using logistic regression.

ResultsAmong the coal miners, 64.9% self-reported LBP in a 12-month period. Occupational factors associated with LBP were identified, including tasks with a high degree of repetitiveness OR 1.3, 95%CI 1.0-1.6, tasks characterized by a high level of physical demand OR 1.4, 95% CI 1.1-1.8, posture requiring extreme bending OR 1.6, 95% CI 1.2-1.7 and insufficient recovery time OR 1.4, 95% CI 1.0-1.8.

ConclusionLow back pain is common among Chinese miners. There were strong associations with occupational factors.

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Autor: Guangxing Xu - Dong Pang - Fengying Liu - Desheng Pei - Sheng Wang - Liping Li


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