Table 4.

Relative Rate Estimates From Poisson Regression for 4 Outcomes in Those With Complete On-schedule Vaccine Dosing Comparing Women Vaccinated Starting at 9–14 Years of Age to Those Vaccinated Starting at Ages 15 and Above, and Incompletely Vaccinated 15 and Above

Vaccine Status (n)	HSIL				CIN 2				CIN 3				CIN 2+
	Unadjusted		Adjusted		Unadjusted		Adjusted		Unadjusted		Adjusted		Unadjusted		Adjusted
	RR (95% CI)	P Value	RR (95% CI)	P Value	RR (95% CI)	P Value	RR (95% CI)	P Value	RR (95% CI)	P Value	RR (95% CI)	P Value	RR (95% CI)	P Value	RR (95% CI)	P Value
Complete series on schedule 9–14 y (18 975)	Ref	…	Ref	…	Ref	…	Ref	…	Ref	…	Ref	…	Ref	…	Ref	…
Complete series on schedule 15 + y (1997)	1.66 (1.12–2.39)	.008	1.56 (1.05–2.24)	.02	1.58 (.69–3.17)	.23	1.39 (.61–2.79)	.40	2.02 (.68–4.92)	.16	1.84 (.61–4.52)	.22	1.72 (.91–3.01)	.07	1.53 (.81–2.69)	.16
Incomplete series 15+ y (1439)	2.59 (1.78–3.66)	<.0001	2.41 (1.66–3.42)	.02	1.64 (.63–3.55)	.26	1.47 (.56–3.19)	.38	3.91 (1.55–8.71)	.002	3.48 (1.37–7.79)	.004	2.38 (1.26–4.17)	.004	2.13 (1.12–3.73)	.01

Abbreviations: CI, confidence interval; CIN, cervical intraepithelial neoplasia; HSIL, high-grade squamous intraepithelial lesion; Ref, reference; RR, relative rate.