Using immunization registry data to explore initiation of HPV vaccination at ages 9 and 10
Despite evidence highlighting benefits of age 9/10 initiation of human papillomavirus (HPV) vaccination, little is known about who is initiating the series earlier. We describe the population of children who initiate earlier and assess the relationship of earlier initiation with series completion. W...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2025-12-01
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| Series: | Human Vaccines & Immunotherapeutics |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/21645515.2025.2547432 |
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| _version_ | 1849331034379780096 |
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| author | Grace W. Ryan Amanda Kahl Emily Janio Bethany Kintigh Don Callaghan Natoshia M. Askelson |
| author_facet | Grace W. Ryan Amanda Kahl Emily Janio Bethany Kintigh Don Callaghan Natoshia M. Askelson |
| author_sort | Grace W. Ryan |
| collection | DOAJ |
| description | Despite evidence highlighting benefits of age 9/10 initiation of human papillomavirus (HPV) vaccination, little is known about who is initiating the series earlier. We describe the population of children who initiate earlier and assess the relationship of earlier initiation with series completion. We used individual-level immunization registry data from Iowa which contained data on male (49.9%) and female (50.1%) children born between 2004–2013 ages 9 and 17. We compared sociodemographic characteristics using chi-square statistics and used logistic regression to assess odds of initiation. Of children with a record of HPV vaccination, only 3.2% initiated early. In comparison to children who initiated at later, the early initiator group had a higher percentage of females (p < .0001), greater representation of nonwhite children (p < .0001), higher percentage living in urban areas (p < .0001) and higher private insurance (p < .0001). In logistic regression models, earlier initiation was significantly associated with higher rates of on-time completion (OR: 10.8 (8.6, 13.5)). These results can support prioritization of efforts to promote earlier initiation. For example, rural areas may need targeted outreach. Future work could integrate geospatial analyses so that local organizations could be able to target specific counties or even zip codes with the lowest rates of initiation. |
| format | Article |
| id | doaj-art-ada3e48306c447ea951e4abc45a321d5 |
| institution | Kabale University |
| issn | 2164-5515 2164-554X |
| language | English |
| publishDate | 2025-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Human Vaccines & Immunotherapeutics |
| spelling | doaj-art-ada3e48306c447ea951e4abc45a321d52025-08-20T03:46:45ZengTaylor & Francis GroupHuman Vaccines & Immunotherapeutics2164-55152164-554X2025-12-0121110.1080/21645515.2025.2547432Using immunization registry data to explore initiation of HPV vaccination at ages 9 and 10Grace W. Ryan0Amanda Kahl1Emily Janio2Bethany Kintigh3Don Callaghan4Natoshia M. Askelson5Department of Population and Quantitative Health Sciences, University of Massachusetts Chan Medical School, Worcester, MA, USAIowa Cancer Registry, University of Iowa, Iowa City, IA, USADepartment of Community and Behavioral Health, College of Public Health, University of Iowa, Iowa City, IA, USAIowa Department of Health and Human Services, University of Iowa, Des Moines, IA, USAIowa Department of Health and Human Services, University of Iowa, Des Moines, IA, USADepartment of Community and Behavioral Health, College of Public Health, University of Iowa, Iowa City, IA, USADespite evidence highlighting benefits of age 9/10 initiation of human papillomavirus (HPV) vaccination, little is known about who is initiating the series earlier. We describe the population of children who initiate earlier and assess the relationship of earlier initiation with series completion. We used individual-level immunization registry data from Iowa which contained data on male (49.9%) and female (50.1%) children born between 2004–2013 ages 9 and 17. We compared sociodemographic characteristics using chi-square statistics and used logistic regression to assess odds of initiation. Of children with a record of HPV vaccination, only 3.2% initiated early. In comparison to children who initiated at later, the early initiator group had a higher percentage of females (p < .0001), greater representation of nonwhite children (p < .0001), higher percentage living in urban areas (p < .0001) and higher private insurance (p < .0001). In logistic regression models, earlier initiation was significantly associated with higher rates of on-time completion (OR: 10.8 (8.6, 13.5)). These results can support prioritization of efforts to promote earlier initiation. For example, rural areas may need targeted outreach. Future work could integrate geospatial analyses so that local organizations could be able to target specific counties or even zip codes with the lowest rates of initiation.https://www.tandfonline.com/doi/10.1080/21645515.2025.2547432HPV vaccineimmunization registryrural health |
| spellingShingle | Grace W. Ryan Amanda Kahl Emily Janio Bethany Kintigh Don Callaghan Natoshia M. Askelson Using immunization registry data to explore initiation of HPV vaccination at ages 9 and 10 Human Vaccines & Immunotherapeutics HPV vaccine immunization registry rural health |
| title | Using immunization registry data to explore initiation of HPV vaccination at ages 9 and 10 |
| title_full | Using immunization registry data to explore initiation of HPV vaccination at ages 9 and 10 |
| title_fullStr | Using immunization registry data to explore initiation of HPV vaccination at ages 9 and 10 |
| title_full_unstemmed | Using immunization registry data to explore initiation of HPV vaccination at ages 9 and 10 |
| title_short | Using immunization registry data to explore initiation of HPV vaccination at ages 9 and 10 |
| title_sort | using immunization registry data to explore initiation of hpv vaccination at ages 9 and 10 |
| topic | HPV vaccine immunization registry rural health |
| url | https://www.tandfonline.com/doi/10.1080/21645515.2025.2547432 |
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