How did CWP mortality rates differ by State during 1990–1999?
Figure 2-184 Age-adjusted mortality rates for CWP in U.S. residents aged 15 or older by State, 1990-1999. West Virginia had the highest CWP mortality rate-nearly 20 times the rate of 7.56 per million for the entire United States. The second highest rate category included the Appalachian and western coal mining regions. (Source: NIOSH [2002f].