Variations in influenza vaccination among the elderly.

Lemon SC, Rakowski W, Clark MA, Roy J, Friedmann PD. Variations in influenza vaccination among the elderly. American Journal of Health Behavior. 2004 Jul 1; 28(4):352-60.

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Abstract:

OBJECTIVES: To identify unique, mutually exclusive population segments whose members share characteristics associated with likelihood of influenza vaccination. METHODS: Data from 30,668 elderly participants in the 1999 Behavioral Risk Factor Surveillance Systems was analyzed using classification and regression tree analysis. RESULTS: Eleven subgroups were identified: Non-Hispanic Blacks and Hispanics with no recent checkup had the lowest prevalence estimate (28.1%), whereas married white persons aged 75 plus with a recent checkup had the highest (80.6%). CONCLUSIONS: Influenza vaccination varies greatly according to preventive medical care use and race/ethnicity, factors that are amenable to targeted outreach efforts.