TABLE II.

Additional multivariate regression results¹

Variable	Cancer site
	Breast		Colorectal		Lung		Prostate
	or	p Value	or	p Value	or	p Value	or	p Value
Residence (reference: metro county with >1 million population)
Metro county
With 250,000 to 1 million population	1.09	ns	0.74	<0.005	0.94	ns	1.09	ns
With <250,000 population	0.85	ns	0.68	<0.005	0.65	<0.005	1.22	ns
Urban county (not) adjacent to metro area
Adjacent with >20,000 population	1.41	ns	0.90	ns	1.09	ns	1.35	<0.05
Not adjacent with >20,000 population	1.32	ns	0.65	ns	1.18	ns	0.86	ns
Adjacent with 2,500–19,999 population	1.12	ns	0.64	<0.05	0.99	ns	0.89	ns
Not adjacent with 2,500–19,999 population	1.54	ns	0.79	ns	1.05	ns	1.40	<0.05
Completely rural county or urban county
With <2,500 population	1.30	ns	0.74	ns	0.94	ns	1.53	<0.05
Marital status (reference: married)
Single	1.33	<0.05	1.07	ns	1.05	ns	1.21	<0.05
Divorced	1.23	ns	1.09	ns	1.35	<0.005	1.13	ns
Widowed	1.21	<0.05	1.10	ns	1.19	<0.05	1.00	ns
Stage at diagnosis
Reference	Local		Local		Local		Locoregional
In situ	1.10	ns	0.56	<0.0005	—	—	—	—
Regional	1.06	ns	0.89	ns	0.59	<0.0001	—	—
Distant	0.76	<0.05	1.08	ns	0.29	<0.0001	0.88	ns
Unstaged	—	—	2.81	<0.0001	1.15	ns	1.43	<0.005
Type of initial treatment (reference: initial surgery)
Chemotherapy	6.74	<0.0001	6.50	<0.0001	1.32	<0.0005	1.39	<0.0001
Radiation therapy	8.76	<0.0001	5.39	<0.0001	2.06	<0.0001	3.52	<0.0001

ns = statistically nonsignificant.