TABLE 4.

Multivariate logistic regression analysis of risk factors associated with HPV16 VLP IgG seropositivity

Risk factor	Adjusted odds ratio (95% CI)	P
HPV DNA type
Negative	1.00
Other type	1.45 (0.72-2.92)	0.305
HPV16-related type	5.38 (1.64-17.66)	0.006
HPV16	5.17 (1.70-15.67)	0.004
Male vaginal sex partners in lifetime (per partner increase)	1.11 (1.03-1.19)	0.005
Had sex with men ≥5 years older before age 16	5.22 (2.49-10.96)	<0.001
Last Pap smear was abnormal	4.26 (1.26-14.29)	0.020
Age (per year increase)	1.11 (1.02-1.22)	0.021
Currently living with parents	0.31 (0.13-0.72)	0.007