County (state) | Miners examined (1996–2002) | Prevalence of CWP* | Miners evaluated† | Miners with rapid progression | Proportion of evaluated miners with rapid progression |
---|---|---|---|---|---|
(n) | (%) | (n) | (n) | (%) | |
*Miners with small opacity profusion ⩾1/0, divided by the estimated average number of miners employed during the evaluation period, by county. | |||||
†Miners examined in 1996–2002 who had at least two examinations (including pre-1996). | |||||
Columbia (PA) | 82 | 6.5 | 5 | 4 | 80.0 |
Lee (VA) | 142 | 3.5 | 5 | 4 | 80.0 |
Knott (KY) | 289 | 4.2 | 9 | 6 | 66.7 |
Somerset (PA) | 281 | 3.2 | 14 | 9 | 64.3 |
Randolph (WV) | 17 | 17.6 | 8 | 5 | 62.5 |
Tazewell (VA) | 121 | 9.9 | 26 | 16 | 61.5 |
Leslie (KY) | 134 | 4.5 | 5 | 3 | 60.0 |
Martin (KY) | 141 | 5.0 | 10 | 6 | 60.0 |
Wise (VA) | 1095 | 6.0 | 63 | 37 | 58.7 |
Grant (WV) | 42 | 14.3 | 7 | 4 | 57.1 |
Pike (KY) | 748 | 6.8 | 73 | 39 | 53.4 |
Dickenson (VA) | 292 | 10.3 | 31 | 16 | 51.6 |
Floyd (KY) | 68 | 5.9 | 6 | 3 | 50.0 |
Preston (WV) | 199 | 8.0 | 16 | 8 | 50.0 |
Fayette (AL) | 304 | 2.6 | 8 | 4 | 50.0 |
Buchanan (VA) | 736 | 8.6 | 122 | 60 | 49.2 |
Russell (VA) | 99 | 1.0 | 13 | 6 | 46.2 |
Upshur (WV) | 170 | 5.3 | 13 | 6 | 46.2 |
Delta (CO) | 370 | 0.8 | 11 | 5 | 45.5 |
Nicholas (WV) | 140 | 3.6 | 11 | 5 | 45.5 |
Perry (KY) | 223 | 4.9 | 9 | 4 | 44.4 |
Letcher (KY) | 504 | 3.6 | 23 | 10 | 43.5 |
Raleigh (WV) | 302 | 10.9 | 51 | 22 | 43.1 |
Mesa (CO) | 53 | 5.7 | 7 | 3 | 42.9 |
Harlan (KY) | 400 | 3.3 | 24 | 10 | 41.7 |