|Association between male circumcision, smoking, and cervical human papillomavirus infection by number of sexual partners|
|HPV infection POR (95% CI)||P-value of interaction*|
|1 sexual partner||≥2 sexual partners|
|Current partner circumcised||0.005|
|Yes||1.6 (1.0–2.7)||0.6 (0.4–0.9)|
|Tobacco smoking status||0.01|
|Current smoker||1.1 (0.7–1.7)||2.0 (1.6–2.5)|
POR, prevalence odds ratio; CI, confidence interval.
Model adjusted for age, Autonomous Community, country of birth, marital status, level of education, smoking habits, lifetime number of sexual partners, and history of genital warts.
Bold font indicates a significant effect (P<0.05).
Roura et al.
Roura et al. BMC Infectious Diseases 2012 12:145 doi:10.1186/1471-2334-12-145