How did the mortality rates for unspecified/other pneumoconiosis differ by State during 1990–1999?
Figure 2-187 Age-adjusted mortality rates for unspecified/other pneumoconiosis in U.S. residents aged 15 or older by State, 1990-1999. During 1990-1999, West Virginia had the highest mortality rates for unspecified/other pneumoconiosis-more than 20 times the U.S. rate of 1.59 per million. High rates were observed among other Appalachian and Western mining States, ranging from two to nine times the U.S. rate. (Source: NIOSH [2002f].