Dataset Information

Knowledge about HPV and vaccination among young adult men and women: Results of a national survey.

ABSTRACT: BACKGROUND:In addition to screening by Pap smears, vaccination against human papillomavirus (HPV) can dramatically reduce cervical cancers caused by the virus. The acceptance of HPV vaccination is directly related to HPV knowledge. This research aimed to evaluate knowledge about HPV and vaccination among men and women aged 16-25 years who use the public health system in Brazil. METHODS:This was a cross-sectional, multicenter study of sexually active young adults recruited from 119 primary care units between 2016 and 2017. All participants answered a face-to-face standardized questionnaire. RESULTS:Of 8581 participants, the mean percentage of correct answers about HPV and vaccination was 51.79% (95% CI 50.90-52.67), but 75.91% (95% CI 74.13-77.69) had awareness of the HPV vaccination. Women answered a higher proportion of questions correctly than men did (p?=?0.0003). Lower education level was the variable that most interfered with knowledge. The best information sources for knowledge were both health professionals and the media (1.33%, 95% CI 1.03-1.70). CONCLUSIONS:The results emphasize the importance of educational programs about HPV and vaccination among young adults, especially in socially disadvantaged populations. These findings can help to increase the vaccination rate in the country and to stimulate public health policies.

SUBMITTER: Kops NL

PROVIDER: S-EPMC6426699 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Knowledge about HPV and vaccination among young adult men and women: Results of a national survey.

Kops Natália Luiza NL Hohenberger Glaucia Fragoso GF Bessel Marina M Correia Horvath Jaqueline Driemeyer JD Domingues Carla C Kalume Maranhão Ana Goretti AG Alves de Souza Flavia Moreno FM Benzaken Adele A Pereira Gerson Fernando GF Wendland Eliana Marcia EM

Papillomavirus research (Amsterdam, Netherlands) 20190316

<h4>Background</h4>In addition to screening by Pap smears, vaccination against human papillomavirus (HPV) can dramatically reduce cervical cancers caused by the virus. The acceptance of HPV vaccination is directly related to HPV knowledge. This research aimed to evaluate knowledge about HPV and vaccination among men and women aged 16-25 years who use the public health system in Brazil.<h4>Methods</h4>This was a cross-sectional, multicenter study of sexually active young adults recruited from 119 ...[more]

PMID: 30885798

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Project description:IntroductionHuman papillomavirus (HPV) is the most common sexually transmitted infection (STI) worldwide. Despite recommendations for HPV vaccination of young women from health authorities, parental concerns were raised whether vaccination could induce unsafe sexual behaviour in young women. Therefore, the primary aim of this study was to investigate if HPV vaccination in healthcare seeking adult women in Luxembourg was associated with unsafe sexual behaviour.MethodsSeven hundred twenty-nine women (mean age = 22.5; range 18-43 years) were recruited either at Luxembourg family planning centres or at private gynaecology practices. All participants completed a questionnaire on vaccination status and sexual behaviour. Poisson and logistic regressions were used to study the association between sexual behaviour and vaccination status (N = 538). Both models were restricted to women younger than 26 years, since the first cohort being vaccinated would be 25 years old at the time of sampling. Assortativity of sexual mixing by age was also assessed for further transmission modelling for women <30 years reporting age of last/current sexual partner (N = 649). Women older than 29 years were excluded from the assortativity analysis due to restricted sample size.ResultsIn total, 386/538 (71.8%) of participants reported receiving HPV vaccine. Vaccination uptake significantly varied by nationality and was higher in Portuguese 112/142 (78.9%) and in Luxembourgish 224/313(71.6%) residents, and lower in residents of other nationalities 50/83 (60.2%) (p = 0.011). HPV vaccination was not associated with unsafe sexual behaviour such as shorter relationship duration with current or last sexual partner (odds ratio (OR) = 1.05, 95% CI [0.94-1.16]), younger age of sexual debut (OR = 1.00, 95% CI [0.88-1.14]), increased number of lifetime sexual partners (OR = 0.95, 95% CI [0.87-1.03), higher age difference with sexual partner (OR = 1.01, 95% CI [0.95-1.08]), condom use (OR = 0.97, 95% CI [0.60-1.56]), nor with other factors like smoking (OR = 0.73, 95% CI [0.47-1.15]) and nationality. HPV vaccination was only associated with younger age (OR = 0.84, 95% CI [0.75-0.94]). Relationship duration, age of sexual debut, age difference with sexual partner, smoking, age and non-Portuguese foreign nationality were predictors of number of lifetime sexual partners. Assortativity analysis revealed that young women chose sexual partners who were 2.3 years older on average.ConclusionsOur study found no association between unsafe sexual behaviour and HPV vaccination.

Project description:BackgroundWhile prophylactic human papilloma virus (HPV) vaccination is considered effective in young girls, it is unclear whether a catch-up vaccination of older girls would be beneficial. We, therefore, aimed to examine the potential health impact of a HPV catch-up vaccination of girls who were too old at the time of vaccine introduction, hence aged 16 and older.MethodsWe systematically searched the literature for randomized clinical trials (RCTs) that examined the effect of HPV vaccines on overall mortality, cancer mortality and incidence, high-grade cervical intraepithelial neoplasia grade 2 and higher (CIN2+), vulvar intraepithelial neoplasia (VIN) and vaginal intraepithelial neoplasia (VaIN) grade 2 and higher lesions (VIN2+ and VaIN2+, respectively) genital warts (condyloma). We considered all lesions and those associated with HPV type(s) included in the vaccines. RCTs reporting on serious adverse events were also eligible. Selected publications were assessed for potential risk of bias, and we ascertained the overall quality of the evidence for each outcome using Grading of Recommendations Assessment, Development and Evaluation (GRADE). Meta-analyses were performed, assuming both random and fixed effects, to estimate risk ratios (RR) and corresponding 95% confidence intervals (CI), using intention-to-treat and per-protocol populations.ResultsWe included 46 publications reporting on 13 RCTs. Most of the RCTs had a maximum follow-up period of four years. We identified no RCT reporting on the effect of HPV catch vaccination on overall and cancer related mortality, and on cervical cancer incidence. We found a borderline protective effect of a HPV catch-up vaccination on all CIN2+, with a pooled RR of 0.80 (95% CI: 0.62-1.02) for a follow-up period of 4 years. A HPV catch-up vaccination was associated with a reduction in VIN2+ and VaIN2+ lesions, and condyloma. No difference in risk of serious adverse events was seen in vaccinated participants versus unvaccinated women (pooled RR of 0.99 (0.91-1.08)).ConclusionsThis systematic review indicates that a HPV catch-up vaccination could be beneficial, however the long-term effect of such a vaccination, and its effect on cervical cancer incidence and mortality is still unclear.

Dataset Information

Knowledge about HPV and vaccination among young adult men and women: Results of a national survey.

Publications

Knowledge about HPV and vaccination among young adult men and women: Results of a national survey.

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