Table 3.

Relative Odds of Alternative Treatments (Unweighted n=1,786)

	BCSRT versus MST		BCSO versus MST
Variablea	Relative Odds	P-value	Relative Odds	P-value
BCS fee (10% increase)	1.34	0.02	1.23	0.23
MST fee (10% decrease)	1.86	<0.01	1.46	0.23
BCS practice styleb,d	1.24	0.06	0.92	0.63
MST practice stylea,d	1.19	0.06	1.42	0.01
Geographic cost indexe	1.52	0.01	1.08	0.74
Distance to nearest RT hospitalf	1.10	0.14	1.12	0.26
Physician' year of graduation
1965–1979	1.48	0.01	1.07	0.74
After 1979	1.69	<0.01	1.49	0.09
Area per capita income ($1,000)e	1.04	0.06	1.05	0.11
Area College Gradse (%)	1.01	0.87	0.83	0.12
Ages 75–79	0.86	0.27	1.15	0.53
Ages 80+	0.44	<0.01	2.76	<0.01
Nonwhite	0.83	0.34	1.76	0.03
Medicare payments in prior year
$3,000–5,999	0.91	0.55	0.84	0.52
6,000–12,999	0.87	0.43	1.12	0.65
13,000–21,999	0.87	0.56	1.55	0.16
22,000+	0.44	<0.01	2.04	0.01
Stage 2a	0.52	<0.01	0.76	0.15
Stage 2b	0.26	<0.01	0.32	<0.01

Log Likelihood=1,382; pseudo R²=0.09; chi²=273.95.

^aCensus division dummy variables were not statistically significant.

^bRatio of high-fee procedure (19162) to all BCS procedures.

^cRatio of low-fee procedures (19180,19182) to all MST procedures.

^dIncrease of 1 percentage point.

^eIncrease of 10 percent.

^fDecrease of 20 miles.