• Yuqi Guo and Jessamyn Bowling.
• From the School of Social Work, University of North Carolina at Charlotte (YG); Department of Public Health Sciences, University of North Carolina at Charlotte (JB). yguo16@uncc.edu.
• J Am Board Fam Med. 2020 Jul 1; 33 (4): 592-599.

BackgroundMen accounted for 43% of human papillomavirus (HPV)-related cancer cases, but the HPV vaccination rate of adult males remain low. The purposes of this study were to 1) estimate the initiation and completion rate of HPV vaccine, and 2) analyze factors associated with HPV vaccine initiation and completion among adult males.MethodThis study analyzed predisposing factors, enabling factors, reinforcing factors, and situational factors associated with the initiation of HPV vaccine among 3228 male adult participants of the 2018 Behavioral Risk Factor Surveillance System. Two binary logistic regressions were estimated based on the Systems Model of Clinical Preventive Care.ResultsThe initiation rate and completion rate of HPV vaccine among males aged 18 to 33 years old was 14.1% (n = 454) and 35.4% (n = 161), respectively. Among male adults in the United States, the likelihood of initiating HPV vaccine significantly associated with age (odds ratio [OR] = 0.87, P < .00), having routine checkups (OR = 1.29, P < .05), and having high-HPV-risk behaviors (OR = 1.53, P < .01). However, the likelihood of completing HPV vaccines significantly associated with age (OR = 0.85, P < .00) and having high-HPV-risk behaviors (OR = 1.79, P < .01).ConclusionsHaving primary health care providers and regular checkups are important to male adults to have HPV vaccines. Promoting access to health care resources may improve current vaccination rates among males.© Copyright 2020 by the American Board of Family Medicine.

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