AWARENESS AND KNOWLEDGE OF HPV AND HPV VACCINE AMONG A NATIONALLY REPRESENTATIVE SAMPLE OF ADULTS IN THE UNITED STATES (ID 134)
Abstract
Introduction
Background: HPV vaccine is a safe and effective method for protecting against different types of HPV-related cancers. HPV vaccine is recommended for both sexes and approved by the Food and Drug Administration in the United States (U.S.) for adults aged 27-45 (in addition to being already approved for those aged 11-26). This study examines current population-level knowledge of HPV and predictors of awareness of HPV vaccine among U.S. adults.
Methods
Methods: We analyzed cross-sectional data from the 2018 Health Information Trends Survey (HINTS) (unweighted N=3,504), which collects nationally representative data about the U.S. public's perceptions of cancer. We calculated weighted prevalence estimates for HPV knowledge. We used a weighted multivariable logistic regression to examine associations between awareness of HPV vaccine and predictors (gender, race/ethnicity, nativity, education, household income, and residential area).
Results
Results: Of the sample, 61% reported having heard of HPV; of those who had heard of HPV, 75% knew HPV causes cervical cancer, 29% knew HPV causes penile cancer, and 24% knew HPV causes anal cancer. Around 61% reported HPV vaccine awareness. HPV vaccine awareness was significantly associated with being female (aOR=3.89), being born in the U.S. (aOR=2.08), higher education (aOR=2.53), and higher income (aOR=1.94). Lack of HPV vaccine awareness was associated with being Black compared to White (aOR=0.54).
Conclusions
Conclusion: Compared to data from previous HINTS cycles, our findings show a decline in population-level HPV and HPV vaccine knowledge among adults in the U.S., which necessitates more research, policy, and actions to promote knowledge. We also found evidence of current sociodemographic disparities in HPV awareness. Future research can consider targeting those who are male, Black, not born in the U.S, and have lower education and household income (e.g., subgroups with lower awareness) for health education messages around HPV vaccine.
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