Exploration of New England Native American Women’s Views on Human Papillomavirus (HPV), Testing, and Vaccination

Factors that influence caregivers' and adolescents' views and practices regarding human papillomavirus (HPV) vaccination for adolescents: a qualitative evidence synthesis

BACKGROUND

Human papillomavirus (HPV) vaccination in adolescents provides a powerful tool for preventing cervical cancer in women and other HPV-associated diseases in people of all genders. HPV vaccines have been progressively introduced in many countries. However, worldwide, many adolescents do not receive HPV vaccination, for various reasons. The HPV vaccine might be costly or unavailable, healthcare systems might lack capacity for its delivery, or adolescent health might not be prioritised. Some caregivers and adolescents may not accept available HPV vaccines and vaccination services. We currently lack a comprehensive understanding of the factors that influence HPV vaccination views and practices, and why some caregivers and adolescents may be less accepting of the vaccine. Qualitative research can contribute to this understanding and help inform policy and practice, including the development of more relevant, acceptable and effective interventions to promote public acceptance and uptake of HPV vaccination in adolescents. This qualitative evidence synthesis supplements a Cochrane review of the effectiveness of interventions to improve uptake of adolescent vaccination, including HPV vaccination.

OBJECTIVES

The objectives of the review are to identify, appraise, and synthesise qualitative studies that explore caregivers' or adolescents' views, experiences, practices, intentions, decision-making, acceptance, hesitancy, or nonacceptance of HPV vaccination; to gain an understanding of the factors that influence caregiver and adolescent views and practices regarding HPV vaccination for adolescents; and to explore how the findings of this review can enhance our understanding of the related Cochrane intervention review.

SEARCH METHODS

We searched MEDLINE, Embase, CINAHL, PsycInfo, and Scopus for eligible studies (February 2023). We updated this search in October 2024, but these results have not yet been fully incorporated.

SELECTION CRITERIA

We included studies that utilised qualitative methods for data collection and analysis; focused on caregivers' or adolescents' views, practices, acceptance, hesitancy, or refusal of HPV vaccination for adolescents aged 9 to 19 years of age; and were from any setting globally where HPV vaccination is provided.

DATA COLLECTION AND ANALYSIS

We used a prespecified sampling frame to capture a sample of eligible studies that were from a range of geographical and income-level settings, were conceptually rich in relation to the review's phenomenon of interest, and included HPV vaccination for diverse genders. We extracted contextual and methodological data from each sampled study. We used a thematic synthesis approach to analyse the evidence. We assessed methodological limitations using a list of criteria used in previous Cochrane reviews and originally based on the Critical Appraisal Skills Programme quality assessment tool for qualitative studies. We used the GRADE-CERQual (Confidence in the Evidence from Reviews of Qualitative research) approach to assess our confidence in each review finding. We integrated the findings of this review with those from the related Cochrane review of intervention effectiveness (by Abdullahi and colleagues), by mapping whether the trial interventions reflected or targeted the factors identified by this review as influencing caregivers' or adolescents' views and practices regarding HPV vaccination.

MAIN RESULTS

We included 206 studies in the review and sampled 71 of these for our synthesis. Of these, 35 studies were conducted in high-income countries, 26 studies in middle-income countries, 8 studies in low-income countries, and 2 studies in multiple-income settings. Studies came from all six World Health Organization (WHO) regions and included urban and rural settings. We downgraded our confidence in several findings, mainly due to concerns about how the studies were conducted (methodological limitations), concerns about perspectives lacking from some types of participants or in some settings (relevance), or because of variability in the data or insufficient evidence to support all aspects of a review finding (coherence). Many complex factors were found to influence caregivers' and adolescents' HPV vaccination views and practices, which we categorised into eight overarching themes: 1) A lack of biomedical knowledge; 2) Perceptions of a range of interrelated risks and benefits (or lack thereof) associated with HPV vaccination; 3) Routine responses to vaccination generally or more specific views or experiences of other vaccines and vaccination programmes; 4) Complex nuclear familial decision-making dynamics; 5) Extended familial and social relations and networks, particularly extended family members, peers, traditional or religious leaders, and the media; 6) Interrelated socio-cultural beliefs and practices regarding adolescence, sexuality, gender, parenting and health; 7) Trust or distrust in the institutions, systems or experts associated with vaccination, most particularly teachers and the school, the pharmaceutical industry, government, science and biomedicine, and healthcare professionals; and 8) Access to, and experiences of, HPV vaccination programmes and delivery services, such as the convenience (or lack thereof) of HPV vaccination services, the cost of the vaccine, language barriers, the feminisation of HPV vaccination programmes and procedural aspects of school-based vaccination delivery. We did not identify any major differences in the occurrence of these overarching themes between subgroups. However, for various subthemes certain differences emerged in relation to place, gender and socio-economic status, and between caregivers and adolescents. The interventions tested in the related Cochrane review of intervention effectiveness most commonly targeted caregivers' and adolescents' lack of biomedical knowledge and their perceptions of the risks and benefits of HPV vaccination, with the other influencing factors identified by our review being underrepresented.

AUTHORS' CONCLUSIONS

Our review reveals that caregivers' and adolescents' HPV vaccination views and practices are not only influenced by issues related to individual knowledge and perceptions of the vaccine, but also an array of more complex, contextual factors and meanings: social, political, economic, structural, and moral. Successful development of interventions to promote the acceptance and uptake of HPV vaccination for adolescents requires an understanding of the context-specific factors that influence HPV vaccination views and practices in the target setting. Through this, more tailored and in turn more relevant, acceptable, and effective responses could be developed. The eight overarching themes that emerged from our review could serve as a basis for gaining this understanding.

Increasing HPV and Cervical Cancer Education Among Native American Communities and Healthcare Providers

Human papillomavirus (HPV) is the most common sexually transmitted infection. Among Native Americans, HPV-associated cancers can lead health disparities in cervical cancer and increased rates of oral cancer in men. We designed a pilot study using a culturally tailored educational intervention aimed to improve knowledge and attitudes toward HPV and the vaccine among community members and healthcare providers in Northern Arizona. The one-hour intervention included in-person and online presentations, along with pre-and post-electronic surveys that assessed changes in knowledge and attitudes regarding HPV. The surveys featured demographic questions, true/false knowledge questions, and vignettes. Of the 67 participants in the intervention, the majority were females aged 18 to 55 years. About 32% identified as Native American, 47% as non-Hispanic White, and 8% as Hispanic. Students comprised the majority (46%) of participants, while healthcare providers, educators, staff, and social workers accounted for 25%. Attitudes towards HPV and the vaccine indicated that 93% of participants recognized the importance of catching up on vaccinations, though only 64% supported vaccination following a positive Pap test. Vignettes showed generally positive attitudes towards vaccination, with strong agreement on its importance and safety. Knowledge about HPV, the vaccine, and its association with cancer improved following the intervention. The pilot study demonstrates that culturally tailored educational interventions can effectively enhance knowledge and attitudes toward HPV and its vaccine, potentially reducing cancer-related disparities in Native American communities. Ongoing efforts are necessary to address remaining gaps in awareness and vaccine uptake.

The role of narratives in promoting vaccine confidence among Indigenous peoples in Canada, the United States, Australia, and New Zealand: a scoping review

BACKGROUND

Many Indigenous youth and young adults in Canada, the United States, Australia, and New Zealand have reported low vaccine confidence, which has been linked to lower vaccination rates for COVID-19, MMR, HPV, DTaP-IPV-Hib, and pneumococcal conjugate vaccines. Narrative-based health promotion approaches, including those focused on strengthening vaccine confidence, have been used in public health interventions. Scoping reviews have become increasingly valued for their rigorous and reproducible exploration of evidence in public health research. The aim of this scoping review was to understand the extent and types of evidence related to the facilitators, challenges, and benefits of narrative-based health promotion approaches in vaccine confidence interventions within Indigenous populations.

METHODS

This review adhered to the Joanna Briggs Institute (JBI) guidelines for scoping reviews using Covidence online software to streamline the review process. Database searches were conducted in MEDLINE, Embase, Web of Science, PsycINFO, and PubMed, as well as Google search to identify both academic and gray literature articles on the role of narratives in promoting vaccine confidence published between January 2000 and April 2024. Charted data were ranked in a numerical summary and analyzed using qualitative content analysis. The review process embraced a two-eyed seeing approach.

RESULTS

The searches identified 306 records. After the screening process, 45 sources (35 peer-reviewed articles, eight gray literature, and two preprint articles) were included in the final review. The key facilitators of narrative-based approaches to promote vaccine confidence were community engagement, tailored and culturally safe interventions, and trusted messengers and sources of information. The challenges discussed in the literature were linked to mistrust of government and healthcare services and to misinformation narratives. The most frequently reported benefits were the development of community-based resources, culturally safe and relevant interventions, building trust and respectful relationships, and improved vaccination rates.

CONCLUSION

This review confirmed the important contribution of narrative-based health promotion approaches in strengthening vaccine confidence among Indigenous populations. This finding underscores the importance of respecting Indigenous sovereignty and engaging community perspectives to repair trust and improve vaccination rates.

Addressing the burden of cervical cancer for Indigenous women in Latin America and the Caribbean: a call for action

Cervical cancer, primarily caused by human papillomavirus (HPV) infection, poses a significant global health challenge. Due to higher levels of poverty and health inequities, Indigenous women worldwide are more vulnerable to cervical cancer than their non-Indigenous counterparts. However, despite constituting nearly 10% of the population in Latin America and the Caribbean (LAC), the true extent of the burden of cervical cancer among Indigenous people in this region remains largely unknown. This article reviews the available information on cervical cancer incidence and mortality, as well as HPV infection prevalence, among Indigenous women in LAC. The limited existing data suggest that Indigenous women in this region face a heightened risk of cervical cancer incidence and mortality compared to non-Indigenous women. Nevertheless, a substantial knowledge gap persists that must be addressed to comprehensively assess the burden of cervical cancer among Indigenous populations, especially through enhancing cancer surveillance across LAC countries. Numerous structural, social and cultural barriers hindering Indigenous women's access to HPV vaccination and cervical cancer screening worldwide have been identified and are reviewed in this article. The discussion highlights the critical role of culturally sensitive education, community engagement, and empowerment strategies in overcoming those barriers. Drawing insights from the success of targeted strategies in certain high-income countries, the present article advocates for research, policies and healthcare interventions tailored to the unique context of LAC countries.

Perception of Barriers to and Factors Associated with HPV Vaccination Among Parents of American Indian Adolescents in the Cherokee Nation

The purpose of this study was to understand the perceptions of HPV vaccination barriers and factors among parents or guardians of American Indian adolescents in the Cherokee Nation. Fifty-four parents of American Indian adolescents in the Cherokee Nation participated in one of eleven focus group discussions from June to August 2019. Discussions were recorded, transcribed, coded, and analyzed for themes. Protection against cancer was the primary parent-reported reason for vaccinating their children against HPV. The lack of information and safety concerns about the HPV vaccine were the main reasons for non-vaccination. To increase HPV vaccine uptake, parents strongly supported offering vaccinations in school. Furthermore, increased healthcare provider-initiated discussion can ease parental concerns about HPV vaccine safety and improve coverage.

COVID-19 vaccine decision-making in remote Alaska between November 2020 and November 2021

Vaccine hesitancy is an ongoing barrier to achieve sufficient COVID-19 vaccination coverage. Although there are many studies globally of vaccine hesitancy based on large survey samples, there are fewer in-depth qualitative studies that explore vaccine hesitancy and acceptance as a spectrum of decision-making. In this paper, we begin to describe vaccination decision-making among 58 adults living in remote Alaska based on three waves of online surveys and follow-up semi-structured interviews conducted between November 2020 and November 2021. The survey question of intention was not a predictor of adoption for about one third of the interviewees who were unvaccinated when they took the survey (n=12, 35%). Over half of all interviewees (n=37, 64%) had vaccine-related concerns, including 25 vaccinated individuals (representing 57% of vaccinated interviewees). Most interviewees reported that they learned about COVID-19 vaccines through interpersonal interactions (n=30, 52%) and/or a variety of media sources (n=29, 50%). The major facilitators of acceptance were trust in the information source (n=20, 48% of the 42 who responded), and learning from the experiences of family, friends, and the broader community (n=12, 29%). Further, trust and having a sense of agency appears to be important to interviewee decision-making, regardless of vaccination status and intention.

Barriers and supports for uptake of human papillomavirus vaccination in Indigenous people globally: A systematic review

Despite the availability of effective and safe human papillomavirus (HPV) vaccines that reduce the incidence and impact of cervical cancer and other cancers, HPV vaccine coverage rates remain persistently low and the cervical cancer burden disproportionately high among Indigenous people globally. This study aimed to systematically identify, appraise, and summarize the literature on documented barriers and supports to HPV vaccination in Indigenous populations internationally. Forty-three studies were included and an inductive, qualitative, thematic synthesis was applied. We report on 10 barrier themes and 7 support themes to vaccine uptake, and provide a quantitative summary of metrics. Focusing on Indigenous perspectives reported in the literature, we propose recommendations on community-research collaboration, culturally safe intergenerational and gender-equitable community HPV vaccine education, as well as multi-level transparency to ensure informed consent is secured in the context of reciprocal relationships. Although the voices of key informant groups (e.g., HPV-vaccine eligible youth and community Elders) are underrepresented in the literature, the identification of barriers and supports to HPV vaccination in a global Indigenous context might help inform researchers and health policy makers who aim to improve HPV vaccine uptake in Indigenous populations.

Medical mistrust among women with intersecting marginalized identities: a scoping review

The purpose of this scoping review is to synthesize knowledge about medical mistrust and health among women who occupy other marginalized identities; namely women who also belong to one or more of the following social groups: people of color, people of low socioeconomic status, people with disabilities, lesbian and bisexual women, and/or women who have sex with women. This scoping review is based on the methodological framework by Arksey and O'Malley (2005. "Scoping Studies: Towards a Methodological Framework." International Journal of Social Research Methodology 8: 19-32. doi:10.1080/1364557032000119616). Specific search terms were entered into selected databases. Based on a set of inclusion criteria, articles were screened and assessed for eligibility. Data from the selected articles were extracted and summarized. Forty studies were included. Thirty-one studies used quantitative methodology, of which more than half used the Group-Based Medical Mistrust Scale. The majority of studies (84%) investigated the intersection of gender with race and ethnicity. Breast cancer and HIV combined accounted for more than half of the included studies. Of those studies that examined the relationship between medical mistrust and a health outcome or health behavior, almost all reported that medical mistrust had a deleterious impact. Medical mistrust among women with intersecting marginalized identities is worthy of further study, and there is still a dearth of knowledge in the role of medical mistrust among a wide range of subgroups of women and health domains.

Barriers and Factors Associated with HPV Vaccination Among American Indians and Alaska Natives: A Systematic Review

American Indian and Alaska Native (AI/AN) persons bear a disproportionate burden of human papillomavirus (HPV)-associated cancers and face unique challenges to HPV vaccination. We undertook a systematic review to synthesize the available evidence on HPV vaccination barriers and factors among AI/AN persons in the United States. We searched fourteen bibliographic databases, four citation indexes, and six gray literature sources from July 2006 to January 2021. We did not restrict our search by study design, setting, or publication type. Two reviewers independently screened the titles and abstracts (stage 1) and full-text (stage 2) of studies for selection. Both reviewers then independently extracted data using a data extraction form and undertook quality appraisal and bias assessment using the modified Mixed Methods Appraisal Tool. We conducted thematic synthesis to generate descriptive themes. We included a total of 15 records after identifying 3017, screening 1415, retrieving 203, and assessing 41 records. A total of 21 unique barriers to HPV vaccination were reported across 15 themes at the individual (n = 12) and clinic or provider (n = 3) levels. At the individual level, the most common barriers to vaccination-safety and lack of knowledge about the HPV vaccine-were each reported in the highest number of studies (n = 9; 60%). The findings from this review signal the need to develop interventions that target AI/AN populations to increase the adoption and coverage of HPV vaccination. Failure to do so may widen disparities.

Factors That Influence Risk Perceptions and Successful COVID-19 Vaccination Communication Campaigns With American Indians

COVID-19 vaccinations are the primary tool to end the pandemic. However, vaccine hesitancy continues to be a barrier to herd-immunity in the United States. American Indians (AI) often have higher levels of distrust in western medicine and lower levels of satisfaction with health care when compared to non-Hispanic Whites. Yet AIs have high COVID-19 vaccination rates. We discuss factors that influence AI risk perceptions of COVID-19 vaccinations including the impact of COVID-19 on AI Elders, community, and culture. We conclude with future research needs on vaccination communication and how culturally congruent communication campaigns may have contributed to high COVID-19 vaccination rates.

HPV vaccine: uptake and understanding among global Indigenous communities - a qualitative systematic review

BACKGROUND

Indigenous populations have a high prevalence of Human Papillomavirus (HPV) infection and a high incidence of HPV associated cancers, such as cervical and oropharyngeal cancer. There is an effective HPV vaccination program in almost all developed countries to prevent the incidence of cervical cancer, but reports suggest that the uptake of these vaccinations by Indigenous populations is low. The objective of this qualitative systematic review was to explore the knowledge and beliefs of global Indigenous populations regarding HPV vaccines. This review was performed to identify the barriers faced by Indigenous peoples and to provide evidence for more effective and acceptable execution of vaccination policies for Indigenous peoples.

METHODS

Two investigators independently searched MEDLINE, PubMed, SCOPUS, and Web of Science databases using a pre-specified search strategy to identify qualitative studies on narratives of Indigenous peoples regarding HPV vaccine awareness, knowledge and experiences across all geographic and income-level settings.

RESULTS

After performing the literature search and quality appraisals 5 papers were included in the final review. Three core synthesised findings were identified: reasons for acceptance or hesitancy, and areas for improvement. Lack of correct knowledge and mistrust in the healthcare system were important categories observed in all papers included in the review. Other categories within the conceptual model included prioritising disease prevention, health professional guidance, family support and supportive community environment.

CONCLUSION

Qualitative systematic reviews are an excellent means of exploring the gaps in current healthcare practices. Indigenous healthcare research should be grounded in community experiences and feedback. This review provides insights into HPV vaccination understanding and acceptance amongst Indigenous populations, from which recommendations for increasing resonance of vaccination strategies with Indigenous communities can be formed.

Ubiquitous Yet Unclear: A Systematic Review of Medical Mistrust

Peer-reviewed articles (n = 124) examining associations between medical mistrust (MM) and health outcomes from four databases, between January 1998 and May 2018, were reviewed; 36 qualitative and 88 quantitative studies met the inclusion criteria. The Williams and Mohammed framework guided our narrative synthesis of the studies; it argues that basic causes (e.g., biased institutions) affect the social status of marginalized groups which in turn effects multiple proximal pathways leading to responses and poor health. Most studies were cross-sectional with US-based samples. The MM in qualitative studies were categorized as interpersonal (n = 30), systemic (n = 22), and/or vicarious (n = 18); 25% did not explicitly note the basic causes of MM and race/ethnicity was often confounded with socioeconomic status (SES). All but three studies discussed an association between MM and a behavior response; no study focused on an actual health outcome. Most quantitative studies used multivariate regression analyses; only 15 of the 88 utilized advanced modeling techniques (e.g., mediation). Most (75%) studies did not describe basic causes for MM and 43% utilized low income samples. MM was conceptualized as a predictor/proximal pathway (in 73 studies) associated with a variety of responses, most commonly behavioral (e.g., diminished adherence); 14 studies found an association between MM and a specific health measure. This review underscores the need for future qualitative studies to place MM central to their research questions as in-depth descriptions of MM were limited. Future quantitative studies should replicate findings using more advanced analytical strategies that examine the relationship between MM and health outcomes.