Abstract
Background: Research has consistently found variable levels of HPV awareness and knowledge among adults in the US, with men and racial/ethnic minorities consistently demonstrating lower average levels of both. This study examined HPV-related knowledge and awareness, including cancer-related and vaccine-related knowledge, among a nationally representative sample of US adults. Methods: Secondary analyses of data from adult men (n = 1197) and women (n = 1906) who participated in the National Cancer Institute's 2014 Health Information National Trends Survey (HINTS 4 Cycle 4) were performed. Three knowledge categories were assessed: (1) general HPV knowledge; (2) HPV-related cancer knowledge; (3) HPV-related vaccine knowledge. Data were analyzed using Stata 13. Results: Over 70% of women had heard of HPV and the HPV vaccine, while far fewer men and racial/ethnicity minorities reported ever having heard of either. Knowledge of the association between HPV and cervical cancer was high among all groups (>70%), while knowledge of the association between HPV and other cancers (i.e. anal, oral, penile) was universally low (6.5%-47.7%). Multiple regression analyses were used to estimate the main effect of socio-demographic variables on knowledge. Results indicated that older age, male gender, and identifying as Black or Asian race were significantly and negatively associated with all 3 types of knowledge. Discussion: The findings suggest that there is a need for educational campaigns targeting men and racial/ethnic minorities, particularly Asian populations. Sexual health promotion efforts need to highlight the association between HPV and other types of cancer, including anal, penile, and oral.
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