From the Journals

About one-third of older Americans receive shingles vaccine


 

The number of Americans aged 60 years and older who report receiving shingles vaccination had risen steadily since 2008 and has leveled off during the past few years, new data from the Centers for Disease Control and Prevention’s (CDC’s) National Center for Health Statistics reveal.

The proportion of people in this age group who were vaccinated rose from 6.7% in 2008 to 34.5% in 2018, for example.

“The take-home message of our report is that, among adults aged 60 and over, shingles vaccination has increased since 2008. However, disparities in receipt of this vaccination still remain,” Emily Terlizzi, MPH, told Medscape Medical News.

The report was published online July 9 in NCHS Data Brief.

Similar rates for men and women

Rates of people who reported receiving at least one vaccination with Zostavax (Merck) or Shingrix (GlaxoSmithKline) varied by factors that included Hispanic origin, education, and family income. An unexpected finding was that rates did not vary significantly between men and women.

“One finding that I would say surprised me was that, although the percentage who had ever received a shingles vaccine among women aged 60 and over was higher than that among men in this age group, this difference was not statistically significant,” said Ms. Terlizzi, a health statistician in the Data Analysis and Quality Assurance Branch, Division of Health Interview Statistics, the CDC National Center for Health Statistics. In 2018, for example, 35.4% of women and 33.5% of men reported ever receiving a shingles vaccine.

The similarity of rates was less of a surprise to Len Horovitz, MD, a pulmonary specialist at Lenox Hill Hospital in New York, who was not affiliated with the report. “In my anecdotal experience, I don’t see a preponderance of one sex getting shingles more than another. It’s pretty evenly distributed,” he said in an interview.

Ms. Terlizzi and coauthor Lindsey I. Black, MPH, say their findings align with prior research. However, they noted: “Our report uses more recent data from a large, nationally representative data source to update these estimates and describe these disparities.” Data come from results of the annual National Health Interview Survey of households nationwide.

Multiple factors explain vaccination differences

Non-Hispanic White adults were more likely to report receiving the vaccine than were Hispanic and non-Hispanic Black survey respondents. Non-Hispanic White adults were about twice as likely to report vaccination – 38.6% – compared with 19.5% of Hispanic adults and 18.8% of non-Hispanic Black adults.

The disparity in vaccination by race was “disappointing news,” Kenneth E. Schmader, MD, said in an interview.

“The health disparity with regard to lower vaccination rates in Hispanic and non-Hispanic Black populations is reported with other vaccines as well and points to the need for better efforts to vaccinate Hispanic and non-Hispanic Black populations,” added Dr. Schmader, a professor of medicine at Duke University in Durham, N.C.

On a positive note, “It was good to see increasing use of shingles vaccination over time, given how devastating zoster can be in older adults and the fact that the vaccines are effective,” said Dr. Schmader, who also serves on the working groups for the Herpes Zoster, Influenza and General Adult Immunization Guidelines for the CDC Advisory Committee on Immunization Practices (ACIP).

Self-reports of receiving vaccination increased in association with higher education and family income levels. For example, 39.9% of respondents who had more than a high school diploma or GED (General Educational Development) reported receiving the shingles vaccine. In contrast, only 21.2% of people with lower educational attainment reported receiving a vaccine.

In terms of income, 20.4% of poor adults reported being vaccinated, compared with 38.4% of adults who were not poor.

The investigators also evaluated the data by geographic region. They found that rates of vaccinations varied from 26.3% in the East South Central part of the United States (which includes Tennessee, Kentucky, and Alabama) to 42.8% in the West North Central region (which includes the Dakotas, Minnesota, and Nebraska).

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