Table 5.

Trend Analysis of Cell Types by Race, 1973–2007

	White women		Black women
	APC	95% CI	APC	95% CI
Squamous	−7.7a	−8.5, −7	−10.9a	−12, −9.8
Adenocarcinoma	3.6a	2.3, 4.9	−2.1a	−4.1, −0.1
Adenosquamous	1.3	−3.5, 5.3	−6.1a	−10.7, −1.4

Each join point denotes a statistically significant (p=0.05) change in trend.

^aAPC is significantly different from zero (two-sided p<0.05).