Journal
INTERNATIONAL JOURNAL OF GYNECOLOGY & OBSTETRICS
Volume 118, Issue 2, Pages 112-116Publisher
WILEY
DOI: 10.1016/j.ijgo.2012.03.028
Keywords
Cervical infection; Human papillomavirus; Portugal; Prevalence; Risk factor
Categories
Funding
- Sanofi Pasteur
- Sanofi Pasteur MSD-Portugal
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Objective: To investigate demographic, socioeconomic, lifestyle, and medical factors that might predispose women to cervical human papillomavirus (HPV) infection. Method: A cross-sectional population-based study was performed. Women aged 18-64 years who attended selected obstetrics and gynecology or sexually transmitted disease (STD) clinics in mainland Portugal between February 2008 and March 2009 were recruited, according to an age-stratified sampling strategy. Liquid-based cytology samples were analyzed centrally for HPV genotype and for cytologic features. Univariate and multivariate logistic regression analyses identified risk factors for HPV infection. Results: Among the 2326 women evaluated, the crude prevalence of HPV infection was 19.4%. Lifetime number of sexual partners was a strong predictor of HPV infection (odds ratio 5.44 for 5-10 partners versus 1 partner; P<0.001). Other risk factors were young age (particularly among women aged 20-24 years; P<0.001); country of birth other than mainland Portugal (P = 0.002); education up to secondary school level (P = 0.010); smoking history (<= 10 years; P = 0.004); and any STD in the past 12 months (P = 0.052). Conclusion: Data from the present study may aid identification of women at increased risk of HPV infection and target prevention strategies. Trial registration: National Commission of Data Protection (CNPD) registration number 5346/2007; Sanofi Pasteur MSD study number HPV-E05. (C) 2012 International Federation of Gynecology and Obstetrics. Published by Elsevier Ireland Ltd. All rights reserved.
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