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Diffusion of pharmacy-based influenza vaccination over time in the United States

Author

Listed:
  • Chun, G.J.
  • Sautter, J.M.
  • Patterson, B.J.
  • McGhan, W.F.

Abstract

Objectives.To examine pharmacybased influenza vaccination using diffusion of innovation theory. Methods. We used 1993 to 2013 Behavioral Risk Factor Surveillance Systemdata togenerate weighted prevalence rates of influenza vaccination, stratified by age (18-64 years vs ≥ 65 years) and state of residence. The diffusion of innovation theory adopter categories were residents of states allowing pharmacist vaccination before 1996 ("innovator/early adopters"), between 1996 and 1998 ("early majority"), between 1999 and 2004 ("late majority"), and in 2007 or later ("laggards"). Results. For adults aged 18 to 64 years, vaccination rates were similar before the innovation (1993), diverged as the innovation reached the majority (2003), and were significantly lower for laggard states by 2013. Younger adults' vaccination rates steadily increased from 12% to 16% in 1993 to 29% to 36% in 2013. For older adults, there was no significant difference in vaccination ratesbetween adopter categories in any year and no advantage associated with adoption category. Conclusions. Key features of pharmacy-based vaccination, including relative advantage and compatibility, are most relevant to younger adults; different interventions are warranted for older adults.

Suggested Citation

  • Chun, G.J. & Sautter, J.M. & Patterson, B.J. & McGhan, W.F., 2016. "Diffusion of pharmacy-based influenza vaccination over time in the United States," American Journal of Public Health, American Public Health Association, vol. 106(6), pages 1099-1100.
    • Handle: RePEc:aph:ajpbhl:10.2105/ajph.2016.303142_9
    DOI: 10.2105/AJPH.2016.303142
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