Impact of social determinants and medical mistrust on parent-child HPV vaccination in economically disadvantaged communities: implications for cancer prevention.
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INTRODUCTION: Human papillomavirus (HPV) vaccination and intentions, their correlates, and barriers among age-eligible parents and their children living in very economically disadvantaged communities were assessed. METHODS: Parents (N=198; 45% Black, 42% Latine, 57% educated <=high school [HS], 74% income <$60k annually) with children ages 10-17 from Washington, DC and Hackensack, NJ were intercepted at community events and surveyed. RESULTS: Among age-eligible parents, 20% were vaccinated against HPV. Comparing vaccinated to unvaccinated parents, those who were non-white (OR=5.5, 95% CI=3.5, 9.4, p<0.001) and with unvaccinated children (OR=8.9, 95% CI=3.7, 23.3, p<0.001) were less likely to be vaccinated themselves. Among children, 37% were vaccinated. Unvaccinated children were more likely to have parents who were non-white (OR=2.7, 95% CI=2.6, 2.8, p<.01), with a <=HS education (OR=3.0, 95% CI=1.52, 6.25, p<.01), and were unvaccinated themselves (OR=10.2, 95% CI=4.01, 28.61, p<.001). Nearly two-thirds (63%) of parents with unvaccinated children expressed an intention to vaccinate within the next year: 48% confirmed receiving advice from a healthcare provider to do so. Common HPV vaccine barriers included lack of information (35%), safety concerns (16%), and perceptions of sexual inactivity (13%). An adjusted model revealed an interaction between parent education and medical mistrust (B=.35, SE=.13, 95% CI=0.09, 0.61, p<.01). For parents with <=HS education, when levels of provider trust were strong, they were more open to vaccinating their children. CONCLUSIONS: HPV vaccine prevalence was low among parents and children living in disadvantaged communities. Comprehensive education and intervention to build trust are warranted to prevent the spread of HPV-linked cancers and reduce cancer disparities.