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Source:
Behavior Risk Factor Surveillance Survey - Montana BRFSS Coordinator
406-444-2973
http://www.cdc.gov/nccdphp/brfss
Caveats and Definitions
Yellowstone County sample sizes are as follows: 157 (1991), 201 (1992),
192 (1993), 181 (1994), 163 (1995), 269 (1996), and 276 (1997).
The percent who use chewing tobacco is
based on responses to several survey questions related to smokeless
tobacco use.
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