Human Papillomavirus Vaccine and Sexual Behavior Among Adolescent and Young Women

Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, CDC, Atlanta, Georgia 30333, USA.
American journal of preventive medicine (Impact Factor: 4.53). 01/2012; 42(1):44-52. DOI: 10.1016/j.amepre.2011.09.024
Source: PubMed


Vaccines to prevent certain types of human papillomavirus (HPV) and associated cancers are recommended for routine use among young women. Nationally representative reports of vaccine uptake have not explored the relationship between HPV vaccine initiation and various sexual behaviors.
Explore sexual behavior and demographic correlates of HPV vaccine initiation from a nationally representative survey of adolescent and young adult women.
In 2007-2008, a total of 1243 girls/women aged 15-24 years responded to questions about receiving HPV vaccine in the National Survey of Family Growth (NSFG). In 2010, demographic and sexual behavior correlates were evaluated in bivariate and multivariate analyses by age.
HPV vaccine initiation was higher among those aged 15-19 years than those aged 20-24 years (30.3% vs 15.9%, p<0.001). No differences existed by race/ethnicity for those aged 15-19 years, but among women aged 20-24 years, non-Hispanic blacks were less likely than non-Hispanic whites to have received the HPV vaccine (AOR=0.15). HPV vaccine initiation was greater for those with insurance regardless of age. HPV vaccination was not associated with being sexually active or number of sex partners at either age. Among sexually active adolescents aged 15-19 years, those who received HPV vaccine were more likely to always wear a condom (AOR=3.0).
This study highlights disparities in HPV vaccine initiation by insurance status among girls/women aged 15-24 years and by race/ethnicity among women aged >19 years. No association was found between HPV vaccination and risky sexual behavior.

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Available from: Nicole Liddon, Dec 30, 2014
    • "Low vaccine acceptance and recommendation may be due to concerns held by some parents [9] [10] and physicians [11] [12] that vaccination may lead to inaccurate risk perceptions (such as girls believing themselves to be at lower risk for sexually transmitted infections [STIs] other than HPV after vaccination ) and subsequent riskier sexual behaviors. Although studies suggest that HPV vaccination does not lead to riskier sexual behaviors [13] [14] [15] [16], little is known about the development of girls' HPV vaccine-related risk perceptions and the http://dx.doi. "
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    ABSTRACT: Among 11-12 year-old girls who received the human papillomavirus (HPV) vaccine, we explored, over the subsequent 30 months: (1) trajectories of knowledge about HPV/HPV vaccines and vaccine-related risk perceptions; (2) whether knowledge and risk perceptions impacted sexual attitudes and sexual experience; (3) whether mothers, clinicians, and media influenced girls' risk perceptions, attitudes, and behavior. Girls and mothers (n=25dyads) completed separate, semi-structured interviews within 2 days of, and 6, 18, and 30 months after, their first HPV vaccine dose. Knowledge, risk perceptions related to HPV and other sexually transmitted infections (STIs), and attitudes about sexual behaviors were assessed. Sexual experience was assessed at girls' 30 month interviews. Clinicians completed interviews at baseline. Transcribed interviews were analyzed using framework analysis. Girls' baseline knowledge was poor but often improved with time. Most girls (n=18) developed accurate risk perceptions about HPV but only half (n=12) developed accurate risk perceptions about other STIs by 30 months. The vast majority of girls thought that safer sex was still important, regardless of knowledge, risk perceptions, or sexual experience. Girls whose HPV knowledge was high at baseline or increased over time tended to articulate accurate risk perceptions; those who were able to articulate accurate risk perceptions tended to report not having initiated sexual activity. Girls whose mothers demonstrated higher knowledge and/or communication about HPV vaccination tended to articulate accurate risk perceptions, whereas clinicians and media exposure did not appear to influence risk perceptions. Higher knowledge about HPV vaccines among mothers and girls was linked with more accurate risk perceptions among girls. Clinicians may play an important role in providing education about HPV vaccines to mothers and girls. Copyright © 2015. Published by Elsevier Ltd.
    Vaccine 06/2015; 33(32). DOI:10.1016/j.vaccine.2015.06.060 · 3.62 Impact Factor
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    • "There have been differing results from other international studies that have assessed HPV vaccination in relation to sexual behaviour; some studies in young adult women have found a positive association between vaccination initiation or completion and a history of STIs [10–12,15] or increasing number of sexual partners [13] [20], while other studies reported no association with these characteristics [14] [21]. Other studies in young adult women have also found an association between vaccination status and being single, unmarried or never married (with the exact measure being study dependent) [12] [14] [15] [22]. The relationship identified in the current study between HPV vaccine uptake and use of hormonal contraception, has not been previously documented in the Australian National HPV Vaccination Program and has only been investigated in a few other international studies of young adult women [10] [11] [21] [23]. "
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    ABSTRACT: Australia commenced a publically-funded, National Human Papillomavirus (HPV) Vaccination Program in 2007 with a two year catch-up phase for females aged 12-26 years. To identify the factors associated with the uptake of the HPV vaccine (which has a recommended 3-dose schedule in Australia) by young adult women vaccinated by general practitioners and community-based programs within the catch-up phase. 1139 women who were eligible to receive the free HPV vaccine during the catch-up period were recruited in 2008-2009 (age 20-29 years at recruitment), in New South Wales, after having a normal (negative) cervical smear result recorded on the NSW Pap Test Register. Participants completed a self-administered questionnaire providing information on vaccination status, and sociodemographic and other factors. Overall, 880 (77%) women reported receiving ≥1 dose of the vaccine and 777 women (68%) reported receiving ≥2 doses. In multivariable analysis (adjusting for the period for which each woman was eligible for free HPV vaccination), uptake of ≥1 dose of the vaccine was significantly associated with being born in Australia (p<0.01), being single (p=0.02), being nulliparous (p<0.01), living in a higher socioeconomic status area (p-trend=0.03), living in more remote areas (p=0.03), drinking alcohol (p<0.01) and using hormonal contraceptives (p<0.01). Although vaccinated women were more likely to have fewer sexual partners than unvaccinated women (p-trend=0.02), they were also more likely to report a prior sexually transmitted infection (STI) (p=0.03). Similar factors were associated with receiving ≥2 doses. In this group, women living in higher socioeconomic status areas were more likely to be vaccinated against HPV in the catch-up phase of the national program. Although vaccinated women tended to have fewer sexual partners, they also reported prior STIs, which may be a marker of increased risk of prior exposure to HPV. The findings of this study reinforce the continuing need to prioritise equitable delivery of vaccination to various population subgroups. Copyright © 2015 The Authors. Published by Elsevier Ltd.. All rights reserved.
    Vaccine 04/2015; 32. DOI:10.1016/j.vaccine.2015.01.024 · 3.62 Impact Factor
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    • "Other studies have focused on beliefs, risk perceptions, and sexual behavior; however, none included in their analysis the influence of vaccination on sexual behavior controlling for risk perception. In addition, such studies have been conducted exclusively in high-income countries, and not among a Latin American population [11] [12] [13] [14] [15] [16] [17] [18]. "
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    ABSTRACT: Objective To compare sexual behaviors and risk perception between young women vaccinated for HPV and unvaccinated Colombian women. Methods In a cross-sectional design study, 1436 women (231 adolescents, < 18 years; 1205 young women, 18–26 years) completed a self-administered questionnaire between May 2011 and March 2012 in Bogotá, Colombia. Data from vaccinated and unvaccinated women were compared by descriptive statistics and multivariate models. Results Sexual risk behaviors were not associated with vaccination after adjustment for risk perception, age, educational level, and HPV knowledge. By contrast, vaccination was associated with higher routine Pap smear screening (odds ratio [OR], 2.35; 95% confidence interval [CI], 1.69–3.28), use of modern contraceptives (OR, 2.02; 95% CI, 1.26–3.22), and consistent use of condoms (OR, 1.49; 95% CI, 1.11–2.01). Vaccinated young women were more likely to have had sex (OR, 2.08; 95% CI, 1.56–2.78), but sexual debut among adolescents was not associated with vaccination. In bivariate and multivariate analyses, vaccination status was negatively associated with perceived risk of HPV infection, warts, and cervical cancer. There was no association between vaccination and perceived risk of sexually transmitted infections in any model. Conclusion No association was found between changes in risk perception after HPV vaccination and sexual risk behaviors.
    International Journal of Gynecology & Obstetrics 09/2014; 126(3). DOI:10.1016/j.ijgo.2014.03.033 · 1.54 Impact Factor
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