Extending and validating a human papillomavirus (HPV) knowledge measure in a national sample of Canadian parents of boys

Perez, Samara; Tatar, Ovidiu; Ostini, Remo; Shapiro, Gilla K.; Waller, Jo; Zimet, Gregory D.; Rosberger, Zeev

doi:10.1016/j.ypmed.2016.07.017

Cited by 42 publications

(40 citation statements)

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“…We validated and extended Waller et al’s existing knowledge scales and create a 25-item HPV general knowledge scale and the 11-item HPV vaccine knowledge scale, which were found to be psychometrically robust [67]. …”

Section: Resultsmentioning

confidence: 99%

“…A detailed elaboration of these results (e.g., what parents know/don’t know) and the relationship between knowledge and PAPM stages are presented elsewhere [67]. …”

Section: Resultsmentioning

confidence: 99%

“…Furthermore, by developing a strong data-cleaning algorithm, we increased the reliability of our final data. Moreover, the authors engaged in extensive psychometric testing [67, 68] to ensure the validity of the psychosocial constructs which has been recommended in this area of research [33]. Additionally, our study utilized a longitudinal design, which will allow us to analyze how the psychosocial determinants influence HPV vaccine decision making over time.…”

Section: Discussionmentioning

confidence: 99%

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Psychosocial determinants of parental human papillomavirus (HPV) vaccine decision-making for sons: Methodological challenges and initial results of a pan-Canadian longitudinal study

et al. 2016

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BackgroundHPV vaccination decision-making is a complex process that is influenced by multiple psychosocial determinants. Given the change in policy recommendation to include males in routine HPV vaccination, our goals were to assess the HPV vaccination uptake in Canada, to understand where Canadian parents were situated in the HPV vaccine decision-making process for their son, how they changed over time and which psychosocial determinants were relevant for this process.MethodsWe used an online survey methodology and collected data from a nationally representative sample of Canadian parents of boys aged 9–16 at baseline (T1, February 2014) and at 9 months’ follow-up (T2). Our analyses were guided by the Precaution Adoption Process Model (PAPM), a theoretical health behavior model that classifies parents in one of six stages: unaware, unengaged, undecided, decided not to vaccinate, decided to vaccinate and those who had already vaccinated their sons. Rigorous methods were used to filter out careless responders: response variance, bogus items, psychometric antonyms and psychometric synonyms.ResultsAt T1 and T2, we received 3,784 and 1,608 respectively completed questionnaires; after data cleaning 3,117 (T1) and 1,427 (T2) were retained. Less than 3% of boys were vaccinated at both time points. At both T1 and T2, most parents (over 70%) belonged to the earlier vaccination adoption stages: 57% were unaware (T1) and 15.3% (T2); 20.9% were unengaged (T1) and 32.4% (T2); and 9.1% were undecided (T1) and 25.2% (T2). At follow-up, 37.7% of participants did not move from their initial PAPM decision-making stage. Most parents (55%) preferred to receive information from their healthcare provider (HCP) but only 6% (T1) and 12% (T2) had actually spoken with a HCP about the HPV vaccine for their son.ConclusionsHPV vaccination uptake in Canadian boys was very low in the absence of a publicly funded HPV vaccination programs for boys. Optimal HPV information preferences were identified and can be used in interventions to increase HPV knowledge and increase HPV vaccine uptake. Intentions to vaccinate or planning to speak to one’s HCP did not translate into action for most parents over the 9-month follow up; this finding is critical to consider to inform implementation strategies. Methodological challenges are described and suggestions for future research are offered.Electronic supplementary materialThe online version of this article (doi:10.1186/s12889-016-3828-9) contains supplementary material, which is available to authorized users.

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Section: Resultsmentioning

confidence: 99%

“…A detailed elaboration of these results (e.g., what parents know/don’t know) and the relationship between knowledge and PAPM stages are presented elsewhere [67]. …”

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Psychosocial determinants of parental human papillomavirus (HPV) vaccine decision-making for sons: Methodological challenges and initial results of a pan-Canadian longitudinal study

et al. 2016

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“…Questionnaire items include previously validated scales. [70][71][72][73][74] Participants will be asked to identify themselves as a parent or guardian, report the number of children they have and their children's ages and genders. Parents with more than one child who meet the inclusion criteria will be asked to answer the questionnaire for the child who has had the most recent birthday, a randomisation technique previously employed.…”

Section: Methodsmentioning

confidence: 99%

“…Parents with more than one child who meet the inclusion criteria will be asked to answer the questionnaire for the child who has had the most recent birthday, a randomisation technique previously employed. 66 The questionnaire assesses sociodemographics, HPV and HPV vaccine knowledge (using validated scales), 71 PAPM stage, HPV vaccine willingness, HPV vaccine coverage, HCP recommendation (including the strength of the recommendation), HPV attitudes (using validated scales), 73 75 motivation towards vaccination, vaccine hesitancy (using a developed scale) 74 and vaccine conspiracy beliefs (using a validated scale). 70 Items within validated questionnaires are administered in a random order to ameliorate any order effect and invariant responding.…”

Section: Methodsmentioning

confidence: 99%

Investigating Canadian parents' HPV vaccine knowledge, attitudes and behaviour: a study protocol for a longitudinal national online survey

et al. 2017

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IntroductionHuman papillomavirus (HPV), a sexually transmitted infection, can cause anogenital warts and a number of cancers. To prevent morbidity and mortality, three vaccines have been licensed and are recommended by Canada’s National Advisory Committee on Immunisation (for girls since 2007 and boys since 2012). Nevertheless, HPV vaccine coverage in Canada remains suboptimal in many regions. This study will be the first to concurrently examine the correlates of HPV vaccine decision-making in parents of school-aged girls and boys and evaluate changes in parental knowledge, attitudes and behaviours over time.Methods and analysisUsing a national, online survey utilising theoretically driven constructs and validated measures, this study will identify HPV vaccine coverage rates and correlates of vaccine decision-making in Canada at two time points (August–September 2016 and June–July 2017). 4606 participants will be recruited to participate in an online survey through a market research and polling firm using email invitations. Data cleaning methods will identify inattentive or unmotivated participants.Ethics and disseminationThe study received research ethics board approval from the Research Review Office, Integrated Health and Social Services University Network for West-Central Montreal (CODIM-FLP-16–219). The study will adopt a multimodal approach to disseminate the study’s findings to researchers, clinicians, cancer and immunisation organisations and the public in Canada and internationally.

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Factors related to human papillomavirus vaccine uptake and intentions among adults aged 18–26 and 27–45 years in the United States: A cross‐sectional study

Arévalo

Brownstein

Whiting

et al. 2023

Cancer

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Background:The current study examined self-reported human papillomavirus (HPV) vaccination uptake and intentions, and associations with psychosocial constructs among United States adults aged 18 to 26 and 27 to 45 years. Methods: Data were collected via an online survey from participants recruited from a research panel. Outcomes were HPV vaccination uptake and intentions. Multivariable binary and ordered logistic regression models were used to examine associations between HPV vaccination outcomes and psychosocial constructs, sociodemographics, and previous health behaviors.Results: HPV vaccination uptake in both age cohorts (N = 2722) was associated with multiple variables, including but not limited to: provider recommendation (adjusted odds ratio [aOR], 11.63 [95% CI, 14.26 [95% CI,], for those aged 18 to 26 and 27 to 45 years, respectively) and positive HPV vaccine attitudes (aOR, 2.40 [95% CI, 1.70-3.40] and aOR, 1.46 [95% CI,1.06-2.02]). Among those who did not report or were unsure of prior HPV vaccination (N =1894), only 4.6% and 8.1% (aged 18-26 and 27-45 years, respectively) reported being very likely to receive the HPV vaccine in the next year. Increased intentions were associated with more positive vaccine attitudes (aOR, 2.45 [95% CI, and aOR, 2.19 [95% CI, 1.72-2.78]) and provider recommendation (yes vs no; aOR, 1.97 [95% CI, 1.82 [95% CI,]; don't know/can't remember vs no; aOR, 1.38 [95% CI, 1.03-1.84] and aOR, 1.60 [95% CI, 1.17-2.18]).Sociodemographics and health behaviors associated with increased intentions differed for each age cohort.Conclusions: Individual and interpersonal factors were associated with HPV vaccination uptake and intentions. Findings reveal the need for targeted interventions to improve HPV vaccination rates among these age groups.

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Extending and validating a human papillomavirus (HPV) knowledge measure in a national sample of Canadian parents of boys

Cited by 42 publications

References 33 publications

Psychosocial determinants of parental human papillomavirus (HPV) vaccine decision-making for sons: Methodological challenges and initial results of a pan-Canadian longitudinal study

Psychosocial determinants of parental human papillomavirus (HPV) vaccine decision-making for sons: Methodological challenges and initial results of a pan-Canadian longitudinal study

Investigating Canadian parents' HPV vaccine knowledge, attitudes and behaviour: a study protocol for a longitudinal national online survey

Factors related to human papillomavirus vaccine uptake and intentions among adults aged 18–26 and 27–45 years in the United States: A cross‐sectional study

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