African-American women less likely to receive HPV vaccine than whites, Pitt study finds

Even with access to health care, racial variances in HPV vaccine initiation still exist

2013-08-27

(Press-News.org) PITTSBURGH, Aug, 27, 2013 – Even with access to health care, African-American women are less likely to receive the vaccine for human papillomavirus (HPV), which reduces the risk for cervical cancer, according to a study by researchers at the University of Pittsburgh School of Medicine. The findings, published today in the Journal of Adolescent Health, suggest a need for health care providers to both bolster HPV vaccination recommendations and address negative attitudes toward the vaccine among this vulnerable patient population.

HPV is a sexually transmitted infection that accounts for virtually all cervical cancer diagnoses. According to the Centers for Disease Control and Prevention, roughly 12,000 new cases of HPV-associated cervical cancer are diagnosed in the United States each year. Within the past decade, two HPV vaccines have been made available to adolescents and young adults aged 11 to 26 to reduce the risk of infection. The vaccine is administered in a three-step process and can cost upwards of $400 without health insurance.

"The HPV vaccine is a first line of defense to protect against cervical cancer," said Sonya Borrero, M.D., M.S., assistant professor of medicine, Pitt School of Medicine, and senior author of the study. "Given that cervical cancer is more common and associated with higher mortality in African-American and Hispanic women than in white women, it is especially important to understand the barriers to HPV vaccination for these populations."

Led by Dr. Borrero, researchers used data from the 2006-2010 National Survey of Family Growth (NSFG), a nationwide cross-sectional survey administered by the U.S. Department of Health and Human Services, to examine the effect of race/ethnicity on HPV vaccine initiation in adolescent girls and young women and to determine whether access to health care influences this relationship.

In this nationally representative sample of 2,168 females aged 15 to 24, African-Americans were significantly less likely than whites to have initiated HPV vaccination, 18.2 percent vs. 33.1 percent respectively. That disparity persisted even after taking into account socio-demographic factors and access to health care. Observed disparities in HPV vaccination for Hispanics, on the other hand, were largely explained by socio-demographic and health care access variables, the researchers found.

"Our findings in African-Americans suggest that there are other unmeasured patient- or provider-level factors contributing to under-vaccination and that alternate strategies need to be identified to increase HPV vaccination among African-Americans," said Dr. Borrero. Although the data are limited, negative attitudes towards the HPV vaccine may be one critical barrier. African-Americans also are less likely than their white counterparts to receive an HPV vaccine recommendation from a health care provider.

"Further efforts are needed to understand how to overcome the patient-, parent- and provider-level barriers that hamper widespread uptake for this effective and safe vaccine," Dr. Borrero added.

Some studies have shown higher vaccine initiation rates among adolescents from racial and ethnic minorities, she noted, but this might be the result of different survey methods or reflect changes in patterns of HPV vaccination over time.

### Co-authors include Elizabeth Miller, M.D., Ph.D, of the division of adolescent medicine, Children's Hospital of Pittsburgh of UPMC; Amanda Gelman, B.A., Eleanor Bimla Schwarz, M.D., M.S., Aletha Y. Akers, M.D., M.P.H., and Kwonho Jeong, B.A., all of the University Of Pittsburgh School Of Medicine. The project was funded by grants UL1 RR024153 and UL1TR000005 from the National Institutes of Health. About the University of Pittsburgh School of Medicine As one of the nation's leading academic centers for biomedical research, the University of Pittsburgh School of Medicine integrates advanced technology with basic science across a broad range of disciplines in a continuous quest to harness the power of new knowledge and improve the human condition. Driven mainly by the School of Medicine and its affiliates, Pitt has ranked among the top 10 recipients of funding from the National Institutes of Health since 1998. In rankings recently released by the National Science Foundation, Pitt ranked fifth among all American universities in total federal science and engineering research and development support. Likewise, the School of Medicine is equally committed to advancing the quality and strength of its medical and graduate education programs, for which it is recognized as an innovative leader, and to training highly skilled, compassionate clinicians and creative scientists well-equipped to engage in world-class research. The School of Medicine is the academic partner of UPMC, which has collaborated with the University to raise the standard of medical excellence in Pittsburgh and to position health care as a driving force behind the region's economy. For more information about the School of Medicine, see http://www.medschool.pitt.edu. http://www.upmc.com/media

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