Table 4.

Incident detection of HPV associated with lifetime number of sexual partners stratified by age at study baseline among women reporting no new sexual partners in the 6 months prior to baseline through study follow-up^a

	N women	N infections	Unadjusted HR (95%CI)	Adjusted HR (95% CI)b
Age 35–39
<5 partners	42	3	REF	REF
≥ 5 partners	67	19	2.6 (1.1, 6.2)	1.8 (0.6, 5.3)
Age 40–44
<5 partners	42	3	REF	REF
≥ 5 partners	92	24	3.5 (1.9, 6.3)	3.0 (1.4, 6.4)
Age 45–49
<5 partners	65	9	REF	REF
≥ 5 partners	87	30	4.7 (2.7, 8.1)	4.8 (2.3, 10.0)
Age 50–54
<5 partners	64	2	REF	REF
≥ 5 partners	74	16	6.2 (2.9, 13.4)	7.8 (2.9, 21.0)
Age 55–60
<5 partners	44	0	REF	REF
≥ 5 partners	52	15	8.3 (2.7, 24.9)	12.7 (3.2, 50.7)

Abbreviations: N (number); HR (hazard ratio); CI (confidence interval)

^aExcludes women who reported a new sexual partner within the 6 months prior to baseline through the end of study follow-up (N=71)

^bAdjusted for time-varying no sex and sex with no new partners lagged by one visit and time-invariant marital status