Akiko C. Kimura ^1*, Christine N. Nguyen ¹, Jeffrey I. Higa ¹, Eric L. Hurwitz ², Duc J. Vugia ¹

¹ Division of Communicable Disease Control, California Department of Health Services
² Department of Epidemiology, School of Public Health, University of California, Los Angeles

^* To whom correspondence should be addressed. E-mail: akimura{at}dhs.ca.gov.

	Abstract

Objectives. We examined barriers to influenza vaccination among long-term care facility (LTCF) health care workers in Southern California and developed simple, effective interventions to improve influenza vaccine coverage of these workers. Methods. In 2002, health care workers at LTCFs were surveyed regarding their knowledge and attitudes about influenza and the influenza vaccine. Results were used to develop 2 interventions, an educational campaign and Vaccine Day (a well-publicized day for free influenza vaccination of all employees at the worksite). Seventy facilities were recruited to participate in an intervention trial and randomly assigned to 4 study groups. Results. The combination of Vaccine Day and an educational campaign was most effective in increasing vaccine coverage (53% coverage; prevalence ratio [PR]=1.45; 95% confidence interval [CI]=1.24, 1.71, compared with 27% coverage in the control group). Vaccine Day alone was also effective (46% coverage; PR=1.41; 95% CI=1.17, 1.71). The educational campaign alone was not effective in improving coverage levels (34% coverage; PR=1.18; 95% CI=0.93, 1.50). Conclusion. Influenza vaccine coverage of LTCF health care workers can be improved by providing free vaccinations at the worksite with a well-publicized Vaccine Day.

Key Words: Aging, Community Health, Health Care Facilities/Services, Quality of Care, Immunization/Vaccines

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