OBJECTIVES: Zoster vaccine is recommended for prevention of herpes zoster among adults aged 60 years and older. We examined the zoster vaccination rates during 2007-2011 and assessed association with age, sex, race/ethnicity, neighborhood income and education attainment in eligible adults at Kaiser Permanente Southern California, a managed care organization in the US. METHODS: We calculated annual zoster vaccination rate among members ≥60 years without documented contraindications. Multivariable logistic regression was performed to examine factors associated with zoster vaccine uptake in an open cohort of 819,466 adults. RESULTS: The zoster vaccination rates increased annually in all groups and the overall rate reached 21.7% in 2011 (P-trend<0.001). Coverage was highest among individuals aged 65-74 years, who were female and non-Hispanic White. In the adjusted analysis, odds of vaccination decreased by age. Females (odds ratio [OR]=1.19, 95% confidence interval [CI]=1.17-1.20) and those who lived in neighborhoods with higher education attainment were more likely to be vaccinated (>75% vs. <50% adults with some college education: OR=1.76, 95% CI=1.73-1.80). Compared to Whites, non-Hispanic Blacks and Hispanics were less likely to receive the vaccine (non-Hispanic Blacks: OR=0.56, 95% CI=0.55-0.58; Hispanics: OR=0.59, 95% CI=0.58-0.60). CONCLUSION: The zoster vaccine coverage is higher in this insured population than previously reported in the US general population, but it remains low. Significant racial/ethnic disparity was observed and worsened even among individuals with relatively equal access to zoster vaccination.
OBJECTIVES: Zoster vaccine is recommended for prevention of herpes zoster among adults aged 60 years and older. We examined the zoster vaccination rates during 2007-2011 and assessed association with age, sex, race/ethnicity, neighborhood income and education attainment in eligible adults at Kaiser Permanente Southern California, a managed care organization in the US. METHODS: We calculated annual zoster vaccination rate among members ≥60 years without documented contraindications. Multivariable logistic regression was performed to examine factors associated with zoster vaccine uptake in an open cohort of 819,466 adults. RESULTS: The zoster vaccination rates increased annually in all groups and the overall rate reached 21.7% in 2011 (P-trend<0.001). Coverage was highest among individuals aged 65-74 years, who were female and non-Hispanic White. In the adjusted analysis, odds of vaccination decreased by age. Females (odds ratio [OR]=1.19, 95% confidence interval [CI]=1.17-1.20) and those who lived in neighborhoods with higher education attainment were more likely to be vaccinated (>75% vs. <50% adults with some college education: OR=1.76, 95% CI=1.73-1.80). Compared to Whites, non-Hispanic Blacks and Hispanics were less likely to receive the vaccine (non-Hispanic Blacks: OR=0.56, 95% CI=0.55-0.58; Hispanics: OR=0.59, 95% CI=0.58-0.60). CONCLUSION: The zoster vaccine coverage is higher in this insured population than previously reported in the US general population, but it remains low. Significant racial/ethnic disparity was observed and worsened even among individuals with relatively equal access to zoster vaccination.
Authors: David W Baker; Tiffany Brown; Ji Young Lee; Amanda Ozanich; David T Liss; Diana S Sandler; Eric M Ruderman Journal: J Rheumatol Date: 2016-04-15 Impact factor: 4.666
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