Human Papillomavirus: A Qualitative Study of Korean American Female College Students' Attitudes Toward Vaccination

Perspectives of HPV vaccine decision-making among young adults: A qualitative systematic review and evidence synthesis

BACKGROUND

Despite the demonstrated safety and effectiveness of HPV vaccines in preventing HPV-related cancers, global vaccine coverage remains low. The suboptimal adolescent HPV vaccine coverage rate leaves many young adults at increased risk for developing vaccine preventable HPV-related cancers. This qualitative evidence synthesis (QES) aims to examine the HPV vaccination perspectives of young adults globally and identify the barriers and facilitators to HPV vaccine uptake and decision-making processes.

METHODS

A comprehensive search was conducted on October 2023 across seven databases to identify studies that reported on HPV vaccination among young adults aged 18-26 years and used qualitive study methods or analysis techniques.

RESULTS

Forty-two studies were purposively sampled for inclusion, presenting 29 findings across 10 thematic categories. Vaccine eligible young adults believed that they had aged out of eligibility for HPV vaccination. There was also a perspective that condom use, and regular screenings were alternatives to vaccination in preventing HPV infections. Challenges included scheduling appointments, requirements for multiple shots, and vaccine cost. There was also concern for the gendered nature of vaccine promotion. Lastly, despite being at the age to make autonomous decisions, parents were still influential and active in the vaccine decision-making process for their children.

CONCLUSION

The novelty of this study, as one of the principal QES on catch-up HPV vaccination, presents findings that underscore the complexity of factors across multiple ecological levels which may aid or impede vaccination uptake among young adults and provide important considerations for interventions, programs, and policies aimed at addressing HPV vaccination disparities among young adults.

A Culturally Tailored Artificial Intelligence Chatbot (K-Bot) to Promote Human Papillomavirus Vaccination Among Korean Americans: Development and Usability Study

BACKGROUND

Human papillomavirus (HPV) is the most common sexually transmitted infection (STI) worldwide and is associated with various cancers, including cervical and oropharyngeal cancers. Despite the availability of effective vaccines, significant disparities in HPV vaccination rates persist, particularly among racial and ethnic minorities, such as Korean Americans. Cultural stigma, language barriers, and limited access to tailored health information contribute to these disparities.

OBJECTIVE

This study aimed to develop and evaluate the usability of K-Bot, an artificial intelligence (AI)-powered, culturally tailored, bilingual (Korean and English) chatbot designed to provide culturally sensitive health information about HPV vaccination to Korean immigrants and Korean Americans.

METHODS

K-Bot was developed using CloudTuring and Google Dialogflow. Its dialogues were created using Centers for Disease Control and Prevention (CDC) evidence-based HPV information and tailored to the Korean American population based on findings from previous studies. The evaluation and refinement process for K-Bot was organized into 3 phases: (1) expert evaluation by a multidisciplinary panel, (2) usability testing, and (3) iterative refinement based on feedback. An online survey collected demographics, HPV awareness, and vaccination status before 6 focus groups (N=21) sessions using semistructured questions guided by Peter Morville's usability framework. Quantitative data were analyzed descriptively, and thematic analysis assessed usability, cultural relevance, and content clarity across 6 dimensions: desirability, accessibility, findability, credibility, usability, and usefulness.

RESULTS

Participants had a mean age of 23.7 (SD 4.7) years, with most being female (n=12, 57.1%), second-generation individuals (n=13, 61.9%), and single (n=20, 95.2%). HPV awareness was high (n=19, 90.5%), vaccine knowledge was also high (n=18, 81.8%), but only 11 (52.4%) participants were vaccinated. Feedback-driven refinements addressed usability challenges, including simplifying navigation and adding visual elements. Participants described K-Bot as a promising tool for promoting HPV vaccination among Korean and Korean American users, citing its bilingual functionality and culturally tailored content as key strengths. Evidence-based information was valued, but participants recommended visuals to improve engagement and reduce cognitive load. Accessibility concerns included broken links, and participants proposed enhancements, such as animations, demographic-specific resources, and interactive features, to improve usability and engagement further.

CONCLUSIONS

Usability testing of K-Bot revealed its potential as a culturally tailored, bilingual tool for promoting HPV vaccination among Korean immigrants and Korean Americans. Participants valued its evidence-based information, cultural relevance, and bilingual functionality but recommended improvements, such as enhanced navigation, visual elements, and interactive features, to boost engagement and usability. These findings support the potential of AI-driven tools to improve health care access by addressing key barriers to care. Further research is needed to evaluate their broader impact and optimize their design and implementation for individuals with diverse health care needs.

Human papillomavirus (HPV) vaccination in males: Associations of HPV-related knowledge and perceptions with HPV vaccination intention among Korean mothers of boys

Objectives

Human papillomavirus (HPV) vaccination rates among males are suboptimal worldwide. In South Korea, little is known about parents' intention to vaccinate boys against HPV. Therefore, we examined the associations of HPV-related knowledge and perceptions with vaccination intention among Korean mothers of boys.

Methods

From August to December 2021, eligible mothers were surveyed about HPV-related knowledge, perceptions, and intention to vaccinate their sons against HPV. Mothers were categorized into no intention, contemplating, and intention to vaccinate groups. Using analysis of variance, we compared the groups' scores on the scales measuring HPV-related knowledge, attitudes, and beliefs. We conducted a multinomial logistic regression analysis to assess the associations between the variables and vaccination intention.

Results

Among 361 mothers, 43.9 % had no intention, 60.7 % were contemplating, and 4.4 % intended to vaccinate their sons. The mean percentage of correct answers on the HPV and vaccine knowledge scales were 52.5 % and 62.3 %, respectively. The mean scores on the HPV attitudes and beliefs subscales were significantly different. Higher scores on benefits (OR = 3.04, 95 % CI 1.96 - 4.70; OR = 3.94, 95 % CI 1.54 - 10.70) and influence (OR = 1.48, 95 % CI 1.03 - 2.13; OR = 2.97, 95 % CI 1.44 - 6.14) were associated with contemplating the vaccine and intending to vaccinate sons. Knowledge was not associated with mothers' vaccination intention.

Conclusions

Public health authorities and healthcare providers in Korea can use the results of this study to implement effective interventions that emphasize the importance of male HPV vaccination and encourage parent-son communication about the vaccine.

Developing a Culturally and Linguistically Congruent Digital Storytelling Intervention in Vietnamese and Korean American Mothers of Human Papillomavirus-Vaccinated Children: Feasibility and Acceptability Study

BACKGROUND

The high morbidity, mortality, and economic burden attributed to cancer-causing human papillomavirus (HPV) call for researchers to address this public health concern through HPV vaccination. Disparities of HPV-associated cancers in Vietnamese and Korean Americans exist, yet their vaccination rates remain low. Evidence points to the importance of developing culturally and linguistically congruent interventions to improve their HPV vaccination rates. We adopted digital storytelling (DST) that combines oral storytelling with computer-based technology (digital images, audio recording, and music) as a promising approach for facilitating the communication of culturally relevant health messages.

OBJECTIVE

This study aimed to (1) assess the feasibility and acceptability of intervention development through DST workshops, (2) conduct an in-depth analysis of the cultural experience that shapes HPV attitudes, and (3) explore aspects of the DST workshop experience that could inform future formative and intervention work.

METHODS

Through community partners, social media, and snowball sampling, we recruited 2 Vietnamese American and 6 Korean American mothers (mean age 41.4, SD 5.8 years) who had children vaccinated against HPV. Three virtual DST workshops were conducted between July 2021 and January 2022. Our team supported mothers to develop their own stories. Mothers completed web-based surveys before and after the workshop and provided feedback on each other's story ideas and the workshop experience. We used descriptive statistics to summarize quantitative data and constant comparative analysis to analyze qualitative data collected in the workshop and field notes.

RESULTS

Eight digital stories were developed in the DST workshops. They were well accepted, and the mothers showed overall satisfaction and relevant indicators (eg, would recommend it to others, would attend a similar workshop, it was worth their time; mean 4.2-5, range 1-5). Mothers found the process rewarding and appreciated the opportunity to share their stories in group settings and learn from each other. The 6 major themes that emerged from the data reflect the mothers' rich personal experiences, attitudes, and perceptions about their child's HPV vaccination, which included (1) showing parents' love and responsibility; (2) HPV and related knowledge, awareness, and attitudes; (3) factors influencing vaccine decision-making; (4) source of information and information sharing; (5) response to children's being vaccinated; and (6) cultural perspectives on health care and HPV vaccination.

CONCLUSIONS

Our findings suggest that a virtual DST workshop is a highly feasible and acceptable approach to engaging Vietnamese American and Korean American immigrant mothers in developing culturally and linguistically congruent DST interventions. Further research is needed to test the efficacy and effectiveness of digital stories as an intervention for Vietnamese American and Korean American mothers of unvaccinated children. This process of developing an easy-to-deliver, culturally and linguistically aligned, and holistic web-based DST intervention can be implemented with other populations in other languages.

COVID-19 Vaccine Acceptance Among Korean American Immigrants in the United States: A Qualitative Study

INTRODUCTION

Immigrant populations in the United States are at increased risk of reduced COVID-19 vaccine acceptance. Currently, no qualitative research focuses on COVID-19 vaccine acceptance among Korean American immigrants (KAIs). This phenomenological study aims to uncover needs, beliefs, and practices that may affect COVID-19 vaccine acceptance within this immigrant group.

METHOD

Twelve study participants answered 10 semi-structured interview questions. Inclusion criteria for participants are as follows: (a) above 18 years, (b) has immigrated from Korea, and (c) can understand and speak English. Interview data were analyzed using Colaizzi's data analysis method.

RESULTS

Eight themes emerged from the study. Themes included apprehension and indifference, disruption of normalcy, patterns of acceptance, duty to protect, fear of contagion, perceived self-efficacy, relief and safety, and acceptance of new normal.

DISCUSSION

Findings from this study can inform health care professionals of cultural factors related to COVID-19 vaccine acceptance and health promotion behaviors among the KAIs.

Barriers to HPV Vaccination Among Korean Men in the United States

Human papillomavirus (HPV) vaccination disparities may exacerbate the substantial racial and ethnic variations in rates of HPV-associated cancers. To reduce these disparities, special attention must be paid to increasing vaccine uptake among subgroups of Asian American men and women who are less likely to engage in primary prevention of HPV-associated cancers. Because nurses are often involved in vaccine discussions, they can play a critical role in improving HPV vaccine uptake by providing culturally appropriate and responsive messages to their patients.

Factors Associated with the HPV Vaccination among Korean Americans and Koreans: A Systematic Review

Koreans and Korean Americans (KAs) have limited HPV knowledge and awareness. KAs share a culture with Koreans, and this culture has affected their behavior around HPV. This systematic review aimed to synthesize the factors associated with HPV vaccination among Koreans and KAs. The literature search was done with four databases. The vaccination rate, awareness and knowledge of HPV, and factors associated with vaccination intention were identified. Eighteen articles were selected. Koreans and KAs had low levels of HPV knowledge and awareness. Perceived benefits and seriousness were associated with vaccination intention. Cervical cancer history, beliefs that their daughters need a pap smear test, sexual intercourse experiences, occupation, low education, and income were associated with vaccination intention. This systematic review discovered that HPV vaccination behavior is associated with HPV vaccine awareness, perceived benefits of the vaccine, and the perceived seriousness of HPV infection among Koreans and KAs. Based on the results, we suggest healthcare providers provide a HPV vaccine recommendation by emphasizing the benefits of the vaccination to Koreans and KAs. This study can be the basis for developing interventions to increase HPV vaccination by guiding the target population and variables, as well as the intervention content.

A systematic review of practice-, provider-, and patient-level determinants impacting Asian-Americans' human papillomavirus vaccine intention and uptake

INTRODUCTION

Asian-Americans have been documented to have low human papillomavirus (HPV) vaccine initiation and completion. No research has attempted to examine underlying mechanisms of HPV vaccine uptake disparities among Asian-Americans. Using the P3 (practice, provider, and patient) model, this study aimed to identify practice-, provider-, and patient-level determinants of Asian-Americans' HPV vaccine intention and uptake.

METHODS

We conducted a systematic review of published literature regarding practice-, provider- and patient-level determinants of vaccine intention (e.g., intention, willingness, or acceptability) and uptake (e.g., initiation or completion). Eligible studies were those presenting empirical/original data, focusing on Asian populations in the U.S., including outcomes related to HPV vaccine intention and uptake, and analyzing data on factors associated with these outcomes separately for Asian groups.

RESULTS

Twenty-six studies (19 quantitative and 7 qualitative studies) were included in the review. Most commonly studied subgroups were Koreans (n = 9), Chinese (n = 6), and Cambodians (n = 5). Studies showed varied prevalence across subgroups (intention: 23.4%-72%; initiation: 14%-67%; completion: 9%-63%). Only 3 studies included measurements of practice-level determinants (language services, insurance policy). Twelve studies measured provider-level determinants (most commonly documented: HPV vaccine recommendation). All studies measured patient-level determinants (most commonly documented: HPV and HPV vaccine knowledge, perceived safety, perceived susceptibility, and perceived relationship between HPV vaccine and sexual activity).

CONCLUSIONS

Existing research on determinants of HPV vaccine intention and uptake among Asian-Americans currently lacks measurements of practice-level constructs and perspectives of clinic staff and providers, which are needed to guide system-level interventions and provider training. Data regarding patient-level determinants suggest that interventions for Asian-American populations can focus on providing educational information in culturally-appropriate manners, leveraging familial influences, and attending to access-related or cultural beliefs about HPV vaccine. Interventions should take into account varied vaccine intention and uptake prevalence in different Asian subgroups.

Challenges and Lessons Learned From a Mobile Health, Web-Based Human Papillomavirus Intervention for Female Korean American College Students: Feasibility Experimental Study

BACKGROUND

Mobile health (mHealth) and Web-based research methods are becoming more commonplace for researchers. However, there is a lack of mHealth and Web-based human papillomavirus (HPV) prevention experimental studies that discuss potential issues that may arise.

OBJECTIVE

This study aimed to assess the feasibility of research procedures and discuss the challenges and lessons learned from an mHealth and Web-based HPV prevention experimental study targeting female Korean American college students in the United States.

METHODS

A pilot randomized controlled trial (RCT) was conducted in an mHealth and Web-based platform with 104 female Korean American college students aged 18-26 years between September 2016 and December 2016. Participants were randomized to either the experimental group (a storytelling video intervention) or the comparison group (a nonnarrative, information-based intervention). Outcomes included the feasibility of research procedures (recruitment, eligibility, randomization, and retention).

RESULTS

From September 2016 to October 2016, we recorded 225 entries in our initial eligibility survey. The eligibility rate was 54.2% (122/225). This study demonstrated a high recruitment rate (95.6%, 111/122) and retention rate (83.7%, 87/104) at the 2-month follow-up.

CONCLUSIONS

Findings from this study demonstrated sufficient feasibility in terms of research procedures to justify a full-scale RCT. Given the increased possibility of invalid or misrepresentative entries in mHealth and Web-based studies, strategies for detection and prevention are critical.

TRIAL REGISTRATION

ISRCTN Registry ISRCTN12175285; http://www.isrctn.com/ISRCTN12175285.

A Storytelling Intervention in a Mobile, Web-Based Platform: A Pilot Randomized Controlled Trial to Evaluate the Preliminary Effectiveness to Promote Human Papillomavirus Vaccination in Korean American College Women

Korean American women have substantially greater incidence rates of cervical cancer and the lowest rates of cervical cancer screening in the United States. However, there has been minimal research to promote human papillomavirus (HPV) vaccination among this population. A pilot randomized controlled trial was conducted to evaluate preliminary effectiveness of a storytelling video intervention using mobile, Web-based technology. One hundred and four Korean American college women were randomized to the experimental group (storytelling video) or the comparison group (information-based written material). The effects of the intervention were assessed immediately postintervention and at the 2-month follow-up. Both groups improved in knowledge of and attitude toward the HPV vaccine at the postintervention. At the 2-month follow-up, the experimental group was twice as likely to receive the HPV vaccine compared to the comparison group. This preliminary evidence supports the use of a storytelling video intervention and shows substantial promise for further development and testing in larger scale studies.

Development and acceptability of a peer-paired, cross-cultural and cross-generational storytelling HPV intervention for Korean American college women

Although Korean American women have a higher risk of developing cervical cancer, currently there are limited culturally relevant intervention strategies for improving primary prevention of cervical cancer by promoting HPV vaccination in this population. This study reports the development of a cross-cultural, cross-generational storytelling HPV intervention using a peer-paired method, in which two storytellers interactively share their stories, as a particular innovation that might resonate with Korean American young women. The acceptability of the intervention was assessed by self-reported satisfaction and endorsement with the intervention in a pilot randomized control trial (RCT). We compared participants' responses to the intervention by their generation and cultural identity. One hundred and four Korean college women between the ages of 18-26 were recruited from the Northeastern US Participants randomized to the intervention group received a storytelling video (n = 54); the comparison group received written information (n = 50). The acceptability of the intervention was measured immediately post-intervention. The intervention group had significantly greater satisfaction than the comparison group (P < 0.05). Participants reported greater endorsement for videos that reflected their cultural and generational experiences. Future study is needed to examine the impact of such interventions on objective follow-up on HPV vaccination in a large-scale RCT.

HPV Vaccination and Korean American College Women: Cultural Factors, Knowledge, and Attitudes in Cervical Cancer Prevention

Human papillomavirus (HPV) is the most prevalent sexually transmitted infection that leads to nearly all cervical cancers in the United States (U.S.), which could be prevented with the HPV vaccine. Korean American women experience a high burden of cervical cancer, but little is known about their awareness, knowledge, attitudes, sociocultural factors and social network/support related to intention to obtain the HPV vaccine. This study reports baseline characteristics of 104 Korean American college women aged 18-26 and who have not been previously vaccinated against HPV, as part of a pilot randomized controlled trial testing feasibility, acceptability, and preliminary effectiveness of an HPV storytelling intervention. Data were analyzed including descriptive statistics, bivariate analysis, and multivariate logistic regression. Multivariate logistic regression was performed to understand the relationship between independent predictors of intention to receive HPV vaccination. Overall, 34.6% of participants intended to obtain the vaccine. Positive predictors of intention to receive HPV vaccine were: years in the U.S., academic major, awareness of HPV and HPV vaccine, knowledge, and HPV recommendation by healthcare provider and parents. The multivariate logistic model showed that intention to receive the HPV vaccine was significantly associated with HPV vaccine recommendation by parents (OR 4.58, 95% CI 1.37-15.36) and knowledge (OR 1.11, 95% CI 1.11-1.22). These findings suggest a need for development of interventions that are not only culturally tailored but also acculturation-sensitive to promote HPV vaccination among Korean American college women. This may play a significant role in cervical cancer prevention among Korean American college women.

Variations in reason for intention not to vaccinate across time, region, and by race/ethnicity, NIS-Teen (2008-2016)

BACKGROUND

Human papillomavirus (HPV) vaccination is expected to reduce HPV-related disease and cancer in the US. However, many parents are hesitant to obtain the vaccine for their children. The purpose of this study is to examine how the reasons for refusing the HPV vaccine vary across regions of the US, across time, and by race/ethnicity.

METHODS

This study used data on 13-17 year old adolescents collected by the National Immunization Survey - Teen (NIS-Teen) annually between 2008 and 2016. We evaluated the frequencies of parents who did not intend to vaccinate their children in the next year among unvaccinated children. Among these non-intenders, we evaluated how reasons for HPV vaccine hesitancy changed across time, by region of the US, and race/ethnicity.

RESULTS

The proportion of non-intenders among unvaccinated decreased from 72% in 2010 to 58% in 2016. The most frequent reason for vaccine hesitancy was that parents felt HPV vaccination was not necessary (22.4%), followed by lack of provider recommendation (16.2%), and lack of knowledge (15.6%). Lack of provider recommendation increased in frequency as a reason for HPV vaccine hesitancy until 2012, then decreased in frequency through 2016. Cost was one reason that was elevated in all regions compared to the Northeast. Black non-intenders were less likely to report safety, costs, or their children's fear as reasons for not intending to vaccinate their children compared to white non-intenders. Hispanic non-intenders were more likely to report lack of knowledge and that the vaccine is not a school requirement as reasons not to vaccinate their children compared to white non-intenders.

CONCLUSIONS

National advocacy for improving provider recommendation for HPV vaccination likely contributed to a sharp decline in HPV vaccine hesitancy due to lack of provider recommendation. Results indicate the need for multifaceted interventions to increase HPV vaccination.