Impact of a Multi-Level, Multi-Component, System Intervention on HPV Vaccination in a Federally Qualified Health Center.
Impact of a Multi-Level, Multi-Component, System Intervention on HPV Vaccination in a Federally Qualified Health Center.
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DOI:
10.1158/1055-9965.epi-22-0156
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发表时间:
2022-10-04
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Human papillomavirus (HPV) vaccines can significantly reduce the burden of HPV-associated cancers, but remain underutilized. We evaluated a multi-component, system-level intervention to improve HPV vaccination in a large Federally Qualified Health Center (FQHC) that serves a primarily low income Latino population. From January 2015 through March 2017, we evaluated the effectiveness of a multi-component, system-level intervention to improve HPV vaccination rates in 8 clinics randomly assigned to study condition (4 intervention, 4 usual care). The intervention included parent reminders for HPV vaccine series completion, provider training, clinic-level audit and feedback, and workflow modifications to reduce missed opportunities for vaccination. Using a difference-in-differences approach, we compared HPV vaccination rates among patients ages 11–17 during a 12-month pre-intervention period and a 15-month intervention period. Linear mixed models were used to estimate intervention effects on vaccine initiation and completion. The sample included approximately 15,000 adolescents each quarter (range 14,773–15,571; mean age 14 years, 51% female, 88% Latino). A significantly greater quarterly increase in HPV vaccine initiation was observed for intervention compared to usual care clinics (0.75 percentage point greater increase, p < 0.001), corresponding to 114 additional adolescents vaccinated per quarter. The intervention led to a greater increase in HPV vaccine completion rates among boys (0.65 percentage point greater increase, p<0.001), but not girls. Our system-level intervention was associated with modest improvements in HPV vaccine initiation overall and completion among boys. Study findings have implications for reducing HPV-related cancers in safety net populations.