Underground coal mining injury: A look at how age and experience relate to days lost from work following an injury

Margolis, Katherine A.

doi:10.1016/j.ssci.2009.12.015

Cited by 48 publications

(32 citation statements)

References 13 publications

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“…In recent years, the fatal occupational injury rate in underground coal mining has been six times higher than that in all private industry (CDC, 2001;Groves et al, 2007;Bureau of Labor Statistics (BLS), 2010). Studies have also shown that the costs associated with occupational fatal and nonfatal injuries in coal mines have been increasing (BLS, 2007; National Institute for Occupational Safety and Health (NIOSH), 2008;Margolis, 2010;Moore et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

“…Several explanations for the high number of injuries occurring in some mines have been proposed in the literature, including geological factors such as low seam height (Boden, 1985;Fotta and Mallett, 1997), room-and-pillar mining method (Pfleider and Krug, 1973;Boden, 1985;Pappas et al, 2003), small mine size (The President's Commission on Coal, 1980;National Research Council, 1982;Fotta and Mallett, 1997;Grayson, 2001), nonunionized workforce (National Research Council, 1982;Appleton and Baker, 1984;Morantz, 2011), less experienced and younger miners (Hull et al, 1996;Margolis, 2010), inadequate miner training (Dames and Moore, 1977;FlorJancic, 1981;Zimmerman, 1981), incomplete understanding of the return on safety investments (Brody et al, 1990), inadequate safety regulations (The President's Commission on Coal, 1980;Mendeloff, 1980;FlorJancic, 1981;Neumann and Nelson, 1981), and no prior experience with disaster (Madsen, 2009). Some of these factors, such as geological conditions, mining method, and mine size, might reflect how "easy to mine" a particular mine might be.…”

Section: Introductionmentioning

confidence: 99%

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Profitability and occupational injuries in U.S. underground coal mines

Asfaw

Mark

Pana-Cryan

2013

Accident Analysis & Prevention

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Background-Coal plays a crucial role in the U.S. economy yet underground coal mining continues to be one of the most dangerous occupations in the country. In addition, there are large variations in both profitability and the incidence of occupational injuries across mines.Objective-The objective of this study was to examine the association between profitability and the incidence rate of occupational injuries in U.S. underground coal mines between 1992 and 2008.Data and method-We used mine-specific data on annual hours worked, geographic location, and the number of occupational injuries suffered annually from the employment and accident/ injury databases of the Mine Safety and Health Administration, and mine-specific data on annual revenue from coal sales, mine age, workforce union status, and mining method from the U.S. Energy Information Administration. A total of 5669 mine-year observations (number of mines × number of years) were included in our analysis. We used a negative binomial random effects model that was appropriate for analyzing panel (combined time-series and cross-sectional) injury data that were non-negative and discrete. The dependent variable, occupational injury, was measured in three different and non-mutually exclusive ways: all reported fatal and nonfatal injuries, reported nonfatal injuries with lost workdays, and the 'most serious' (i.e. sum of fatal and serious nonfatal) injuries reported. The total number of hours worked in each mine and year examined was used as an exposure variable. Profitability, the main explanatory variable, was approximated by revenue per hour worked. Our model included mine age, workforce union status, mining method, and geographic location as additional control variables.Results-After controlling for other variables, a 10% increase in real total revenue per hour worked was associated with 0.9%, 1.1%, and 1.6% decrease, respectively, in the incidence rates of all reported injuries, reported injuries with lost workdays, and the most serious injuries reported.Conclusion-We found an inverse relationship between profitability and each of the three indicators of occupational injuries we used. These results might be partially due to factors that

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Profitability and occupational injuries in U.S. underground coal mines

Asfaw

Mark

Pana-Cryan

2013

Accident Analysis & Prevention

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“…However, the confounding between age and experience must be taken into consideration. In general, older workers are more experienced than younger workers, as a previous study found (Margolis, 2010). In the current study it was found that experience had no significant a single age category, suggesting that age at least partially accounted for the relationship between experience and injury severity.…”

Section: Discussionmentioning

confidence: 50%

An analysis of roof bolter fatalities and injuries in U.S. mining

et al. 2016

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Roof bolting typically follows the extraction of a commodity to help keep the roof from collapsing. During 2004 to 2013, roof bolter operators had the highest number of machinery-related injuries, accounting for 64.7 percent, at underground coal mines. This paper analyzes U.S. roof bolter fatal and nonfatal lost-time injury data at underground work locations for all commodities from 2004 through 2013 and determines risk indices for six roof bolting tasks. For fatal and nonfatal incidences combined, the roof bolting tasks in order of the highest to lowest risk index were bolting, handling of materials, setting the temporary roof support (TRS), drilling, tramming, and traversing. For fatalities, the roof bolting tasks in order of the highest to lowest risk index were handling of materials, setting the TRS, bolting, drilling, traversing, and tramming. Age was found to be a significant factor. Severity of injury, indicated by days lost, was found to increase with increasing age as well as with increasing experience, largely due to the confounding of age and experience. The operation of the roof bolting machine used in underground mining should be a research priority given the high frequency and severity of incidents. The results also suggest that temporal factors may exist, so additional research is warranted to better understand these factors and potentially develop interventions. This research provides a data-driven foundation from which future research can be conducted for safety interventions to reduce the frequency and severity of incidences involving the roof bolter activities of bolting, handling of materials, and setting the TRS.

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“…Some authors propose factors and indicators that affect the high number of accidents, injuries and fatalities in underground coal mines: small size of mining environment, specific operating and safety conditions, dangerous methods of mining, inadequate workers' experience and training, lack of adequate investment in safety system, unpleasant working conditions, inadequate safety standards and laws, and lack of previous experience with emergency situations and disasters in mines. [7][8][9][10][11] An in-depth review of occupational health hazards in mines is presented in Donghue, 12 along with the description of physical, chemical, biological, ergonomic and psychological hazards.…”

Section: Introductionmentioning

confidence: 99%

Data Acquisition and Remote Control Systems in Coal Mines: A Serbian Experience

Marjanovic

Grozdanović

Janaćković

2015

Measurement and Control

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The paper presents the development and application of measurement and control devices and control information systems in coal mines with underground exploitation. The locations of units for measuring the concentration of methane, carbon monoxide and oxygen; the control of short circuits on ventilation doors; the control of main fan depression and the airflow speed are proposed. As a result of the research, the structure of control information system in Senje mine and ergonomic analysis of measurement and control devices in this mine are presented. Further modes of development of control information systems in underground mines in Serbia and solutions for their reconstruction are proposed.

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Underground coal mining injury: A look at how age and experience relate to days lost from work following an injury

Cited by 48 publications

References 13 publications

Profitability and occupational injuries in U.S. underground coal mines

Profitability and occupational injuries in U.S. underground coal mines

An analysis of roof bolter fatalities and injuries in U.S. mining

Data Acquisition and Remote Control Systems in Coal Mines: A Serbian Experience

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