Table 3:

Multivariate Associations with Stage IV Disease

Variable	Odds Ratio	95% CI	p- value
Year of Diagnosis	1.024	(1.019, 1.028)	<.01
Age at Diagnosis	0.961	(0.959, 0.963)	<.01
Sex
Female vs. Male	1.049	(1.007, 1.093)	0.02
Race
Black vs. White	1.330	(1.269, 1.395)	<.01
Other vs. White	1.126	(1.004, 1.263)	0.04
Charlson-Deyo Score
1 vs 0	1.442	(1.383, 1.503)	<.01
2 vs 0	1.469	(1.370, 1.576)	<.01
3 vs 0	1.425	(1.283, 1.583)	<.01
Metropolitan vs. Non-Metropolitan Residence	1.027	(0.983, 1.073)	0.23
Distance to hospital (100-mile steps)	1.062	(1.042, 1.083)	<.01
Insurance
Private vs Not Insured	0.487	(0.454, 0.522)	<.01
Public vs. Not Insured	0.780	(0.728, 0.835)	<.01
Percent with No High School Degree
10.9-17.5% vs ≥17.6%	0.911	(0.872, 0.952)	<.01
6.3-10.8% vs ≥17.6%	0.829	(0.790, 0.870)	<.01
<6.3% vs ≥17.6%	0.737	(0.700, 0.780)	<.01
Treatment Facility Location
Midwest vs. Northeast	1.001	(0.951, 1.053)	0.98
South vs. Northeast	0.942	(0.898, 0.989)	0.02
West vs. Northeast	1.062	(0.996, 1.133)	0.07