Résumé :
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[BDSP. Notice produite par INIST-CNRS 798CR0xG. Diffusion soumise à autorisation]. Objectives. We examined the association of Internet-related communication inequalities on human papillomavirus (HPV) vaccine awareness and infection knowledge. Methods. We drew data from National Cancer Institute's 2007 Health Information National Trends Survey (n=7674). We estimated multivariable logistic regression models to assess Internet use and Internet health information seeking on HPV vaccine awareness and infection knowledge. Results. Non-Internet users, compared with general Internet users, had significantly lower odds of being aware of the HPV vaccine (odds ratio [OR]=0.42 ; 95% confidence interval [CI]=0.34,0.51) and knowing that HPV causes cervical cancer (OR=0.70 ; 95% CI=0.52,0.95). Among general health information seekers, non-Internet seekers compared with Internet information seekers exhibit significantly lower odds of HPV vaccine awareness (OR=0.59 ; 95% CI=0.46,0.75), and of knowing about the link between HPV infection and cervical cancer (OR=0.79 ; 95% CI=0.63,0.99) and the sexual transmission of HPV (OR=0.71 ; 95% CI=0.57,0.89). Among cancer information seekers, there were no differences in outcomes between Internet seekers and non-Internet seekers. Conclusions. Use of a communication channel, such as the Internet, whose use is already socially and racially patterned, may widen observed disparities in vaccine completion rates.
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