NTOFNeutron Time-Of-Flight
NTOFNational Traumatic Occupational Fatalities Surveillance System
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(17.) The NTOF measure is preferable to the corresponding Bureau of Labor Statistics (BLS) fatality measure because it is a less aggregated measure and is a census of all workplace fatalities as opposed to the BLS' random sampling of businesses.
Data on traumatic occupational injury deaths were extracted from the NTOF surveillance system for the years 1980 through 1997 (see NTOF, 1980-97).
"Chuck's proven leadership skills and executive talents in the food-service industry will propel PrimeSource to greater heights," says Arthur Hollingsworth, one of three NTOF general partners.
NTOF contains information obtained from death certificates from the vital statistics reporting units in the 50 states, New York City, and the District of Columbia [1] [*] Crude death rates per 100,000 workers were calculated as the number of deaths among civilian workers for each year divided by the number of employed civilians for each year.
The National Traumatic Occupational Fatalities Study (NTOF, National Institute for Occupational Safety and Health, 1989) provides fatality data by state for the nine broad industry categories indicated in Figure 1.
On the one hand, the NTOF data are derived from a direct count of identified occupational fatalities drawn from death records, unlike the survey-derived BLS series, and this procedure, at least in principle, is not biased against reporting the deaths of independent contractors and employees of small firms, as is the BLS, which excludes both categories.(9) On the other hand, the two-digit matching of BLS data is probably more accurate than the one-digit by 50-state matching of NTOF.
Although the NTOF data "identified homicide as the major occupational hazard for the nation's women," Bell concluded that they significantly "underreport victimization among working women in the U.S.," because studies done on the state level suggest that death certificates will only identify somewhere between 67 and 88 percent of traumatic workplace fatalities (Bell, 1991; 730-731).
The estimates of work-related fatalities of the NTOF are roughly double those of the BLS data.
By way of comparison, the BLS reported only 3750 occupational fatalities in 1984, and the NTOF measure recorded 6901 average annual fatalities for 1980-84 (See Moore and Viscusi [1990], 73.).
(+.) The NTOF surveillance system classifies industries according to the Standard Industry Classification Manual, 1987, which, unlike the definition used by the Mine Safety and Health Administration (MSHA), includes the oil and gas sectors of mineral extraction in the mining industry.
Narratives of cases identified by NTOF and CFOI contained varying levels of information; although some narratives specified shape and weight of the bale, others only stated that a hay bale was involved.
[subsection] Data collected through NTOF surveillance include injury-related deaths of workers aged [greater than or equal to]16 years that are clearly identified as being work-related on death certificates.