Table 2.

Odds ratio estimates of campaign effect on mammography uptake in the cities of Savannah and Macon compared with Columbus in the three campaign periods among African American and other (non-African American) women

Race/ethnicity	City	Period	Point estimate (OR)	95 % CI	p value
AA	Savannah versus Columbus	2 versus 1	1.269	(1.005–1.602)	0.0449
		3 versus 1	1.018	(0.779–1.330)	0.8968
		3 versus 2	0.802	(0.624–1.030)	0.0842
	Macon versus Columbus	2 versus 1	1.043	(0.809–1.345)	0.7450
		3 versus 1	0.727	(0.539–0.982)	0.0375
		3 versus 2	0.697	(0.525–0.925)	0.0125
Other	Savannah versus Columbus	2 versus 1	1.014	(0.735–1.401)	0.9304
		3 versus 1	1.026	(0.706–1.489)	0.8942
		3 versus 2	1.011	(0.709–1.443)	0.9519
	Macon versus Columbus	2 versus 1	1.137	(0.796–1.625)	0.4810
		3 versus 1	1.088	(0.720–1.645)	0.6877
		3 versus 2	0.958	(0.648–1.416)	0.8281

P1 = period 1 (8/08–1/09); P2 = period 2 (2/09–8/09); P3 = period 3 (9/09–12/09)

AA African American