Worker Health Chartbook 2004

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1		Figure 2-194 PMRs and 95% confidence intervals for silicosis in U.S. residents aged 15 or older by industry and occupation, adjusted for age, race, and sex, 1990-1999. During 1990-1999, metal mining was associated with the highest significant silicosis PMR among industries. Among occupations, miscellaneous metal and plastic processing machine operators had the highest silicosis PMR. (Note: This figure presents the highest significant PMRs based on 10 or more deaths.) (Source: NIOSH [2002f].)
2		Table 4-1 Number and 5-year average rate of fatal mining injuries by type of employer and commodity at various work locations, 1998-2002. Underground mines posed the greatest risk of fatal injury to mine workers during 1998-2002. At these mines, the highest fatal injury rates were among metal mine operator workers and all independent contractor workers. At surface locations, the highest fatal injury rate was at the dredge. All 11 fatalities at the dredge occurred at sand and gravel mines. Within each commodity, fatal injury rates were highest for independent contractor workers at two metal/nonmetal surface locations: strip/open pit/quarry and mills. (Sources: MSHA [2003]; NIOSH [2003].)
3		Table 4-2 Number and 5-year average rate of lost-workday injuries by type of employer and commodity at various work locations, 1998-2002. During 1998-2002, both the highest numbers and rates of lost-workday injuries occurred in the underground work areas of underground mines. Within underground work areas, the highest rates were observed for coal mine operator and coal mine contractor workers, who together accounted for 88% (17,260) of all the lost-workday injuries in underground work areas. Within surface locations, the highest injury rates were in stone and nonmetal dredge locations. High numbers and rates of injuries were also experienced by stone mine operator workers at both surface production areas and processing (mill) work areas. (Sources: MSHA [2003]; NIOSH [2003a].)

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