Silicosis: Number of cases by duration of occupational exposure to silica—Michigan and New Jersey, 1993–2010
Years of Employment1 | Michigan | New Jersey | Total | |||
---|---|---|---|---|---|---|
Number | Percent | Number | Percent | Number | Percent | |
< 10 years | 46 | 7.0 | 22 | 9.6 | 68 | 7.7 |
10–19 years | 68 | 10.4 | 40 | 17.4 | 108 | 12.2 |
20–29 years | 181 | 27.7 | 40 | 17.4 | 221 | 25.0 |
30–39 years | 223 | 34.1 | 37 | 16.1 | 260 | 29.4 |
≥40 years | 82 | 12.5 | 25 | 10.9 | 107 | 12.1 |
Unknown number of years | 54 | 8.3 | 66 | 28.7 | 120 | 13.6 |
TOTAL | 654 | 100.0 | 230 | 100.0 | 884 | 100.0 |
1 Years of employment are within jobs with potential exposure to dust containing silica.
Note:
Percentages may not sum to 100% due to rounding.
See Appendix for information about data sources and methods.
Source:
Surveillance data as of January 2014, reported by K Rosenman, MJ Reilly, and M Yoder (Michigan); M Lumia and K Worthington (New Jersey).
Citation:
NIOSH 2014. Work-Related Lung Disease Surveillance System (eWoRLD). 2014-833 U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Respiratory Health Division, Morgantown, WV. Available at: <https://wwwn.cdc.gov/eWorld/Data/833> April 26, 2024.
Reference Number: 2014-833
Date Posted: November 2014
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