References
- Centers for Disease Control and Prevention. 1999, 2000, and 2001 Behavioral Risk Factor Surveillance System Questionnaires. Available from: http://www.cdc.gov/brfss/technical_infodata/surveydata/year.html.
- Shah B V, Barnwell B G, Bieler G S. SUDAAN User's Manual, Release 7.5. Research Triangle Park, NC: Research Triangle Institute, 1997.
- U.S. Census Bureau. State and County QuickFacts. Available from: http://quickfacts.census.gov/qfd/states/13000.html.
- Centers for Disease Control and Prevention. Self-reported asthma prevalence and control among adults—United States, 2001.MMWR 2003; 52:381–384. [CSA]
- Centers for Disease Control and Prevention. Self-reported asthma prevalence among adults—United States, 2000.MMWR 2001; 50:682–686. [CSA]
- Centers for Disease Control and Prevention. Surveillance for asthma—United States, 1980–1999. In: CDC surveillance summaries (March 29).MMWR 2002; 51(SS-1). [CSA]
- Centers for Disease Control and Prevention. National Center for Health Statistics. Asthma prevalence, health care use and mortality, 2000–2001. Available from: http://www.cdc.gov/nchs/products/pubs/pubd/hestats/asthma/asthma.htm. [CSA]
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