关键词：
Human Papillomavirus Infection
Sexual Partners
Chlorine
Risk Factors
摘要：
Background: The epidemiology of high-risk (hr) human papillomavirus (HPV) infections in mid-adult women with new sex partners is undefined. Methods: We analyzed baseline data from 518 25- to 65-year-old women online daters. Women were mailed questionnaires and kits for self-collecting vaginal specimens for polymerase chain reaction-based hrHPV testing. Risk factors for infection were identified using Poisson regression models to obtain prevalence ratios (PRs). Results: The prevalence of hrHPV infection was 35.9%. In multivariate analysis restricted to sexually active women, the likelihood of hrHPV infection was associated with abnormal Papanicolaou test history (PR = 1.42, 95% confidence interval [ECI]: 1.10-1.84), lifetime number of sex partners >= 14 (compared with 1-4;PR = 2.13, 95% CI: 1.13-4.02 for 15-24 partners;and PR = 1.91, 95% CI: 1.00-3.64 for >= 25 partners), male partners with >= 1 concurrent partnership (PR = 1.34, 95% CI: 1.05-1.71), and male partners whom the subject met online (PR = 1.39, 95% CI: 1.08-1.79). Age was inversely associated with infection only in women who were sexually inactive (PR = 0.67 per 5-year age difference, adjusted for Papanicolaou history and lifetime number of partners). Compared with sexually inactive women, the likelihood of infection increased with increasing risk level (from low-risk to hr partners;P < 0.0001 by trend test). In multivariate analysis, infection with multiple versus single hrHPV types was inversely associated with ever having been pregnant (PR = 0.64, 95% CI: 0.46-0.90) and recent consistent condom use (PR = 0.56, 95% CI: 0.32-0.97), and positively associated with genital wart history (PR = 1.43, 95% CI: 1.03-1.99). Conclusions: Measures of both cumulative and recent sexual history were associated with prevalent hrHPV infection in this hr cohort of mid-adult women.
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