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Journal of the Southern African Institute of Mining and Metallurgy

versão On-line ISSN 2411-9717

J. S. Afr. Inst. Min. Metall. vol.110 no.1 Johannesburg Jan. 2010

 

TRANSACTION PAPERS

 

A matched case-control study of occupational injury in underground coalmine workers

 

 

B.M. KunarI; A. BhattacherjeeII; N. ChauIII, IV

IDepartment of Mining Engineering, Indian School of Mines, Dhanbad, India
IIDepartment of Mining Engineering, Indian Institute of Technology, Kharagpur, India
IIIINSERM, Paris, France
IVUniversity of Paris-Sud and University Paris Descartes, Paris, France

 

 


SYNOPSIS

It is well known that job-related hazards and individual factors influence occupational injuries. However, research involving coal miners has been limited. This case-control study assessed the relationships of job-related hazards and individual/life style factors with injuries among underground coal miners. It compared 245 cases with at least one injury during the previous two-year period with 245 matched controls with no injury. The data were gathered via personal interview and analysed using the conditional logistic model. The significant risk factors were materials handling (adjusted OR 5.15), poor environmental/working conditions (2.63), geological/strata control-related hazards (2.35), lack of formal education (3.00), sleep disorders (1.86), alcohol consumption (2.32), disease (2.23), having a large family (5.40), and risk-taking behaviour (9.40). Machine-related hazards, sleep disorders and alcohol consumption primarily affected workers aged less than 45 years; whereas, environment/working condition-related hazards, presence of disease, smoking, risk-taking behaviour and large family size were more likely among workers aged 45 or over.

Keywords: Occupational injuries, sleep disorders, job hazards, alcohol, coal miners


 

 

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