. Author manuscript; available in PMC: 2016 Feb 23.

Published in final edited form as: Obstet Gynecol. 2011 Aug;118(2 0 1):289–295. doi: 10.1097/AOG.0b013e3182253c33

Table 2. Type of Human Papillomavirus Testing and Associated Time Trends, Including Monthly Percent Change Estimates.

	Time Trend 1		Time Trend 2		Time Trend 3		Time Trend 4
HPV Testing	Period	MPC	Period	MPC	Period	MPC	Period	MPC
Reflex	Jan 2001– Dec 2001	−1.1 (−4.5–2.5)	Dec 2001– May 2002	13.2^* (1.4–26.5)	May 2002– Dec 2007	0.1 (0.0–0.2)	N/A	N/A
Cotesting with Pap, 30 y or older	Jan 2001– Feb 2002	6.6^* (0.8–12.7)	Feb 2002– July 2005	−0.8 (−1.8–0.1)	July 2005– Nov 2005	66.9^* (7.1–159.9)	Nov 2005– Dec 2007	1.0^* (0.3–1.7)
Cotesting with Pap, 18–29 y	Jan 2001– Dec 2004	1.0^* (0.2–1.8)	Dec 2004– May 2005	−18.1 (−44.2–20.4)	May 2005– July 2006	9.0^* (2.5–15.9)	July 2006– Dec 2007	0.2 (−2.4–2.9)

HPV, human papillomavirus; MPC, monthly percent change; N/A, not applicable.

Data are % (95% confidence interval).

Monthly percent change is statistically significant from 0.