Table 4.

The mean and variance of relative risks for breast cancer mortality calculated by the spatial function in Eq.(1) and the proportion of high-risk, low-risk, and nonsignificant-risk counties for White women in each regional division compared to the mean national level.

Age	Division	N	Mean	Variance	High-risk (%)	Nonsig-risk (%)	Low-risk (%)
40-49	NE	67	2.00	0.17	95.5	0.0	4.5
	MA	150	2.06	0.10	96.7	0.7	2.7
	ENC	437	1.61	0.39	77.8	4.1	18.1
	WNC	618	0.82	0.25	28.5	6.6	64.9
	SA	590	1.34	0.50	59.7	4.2	36.1
	ESC	364	1.14	0.40	50.0	3.9	46.2
	WSC	470	1.01	0.31	44.7	5.5	49.8
	MO	280	0.90	0.27	36.4	5.7	57.9
	PA	133	1.65	0.32	80.5	1.5	18.1
	Total	3109	1.22	0.47	54.0	4.6	41.4
50-59	NE	67	1.64	0.07	95.5	3.0	1.5
	MA	150	1.72	0.03	100.0	0.0	0.0
	ENC	437	1.48	0.12	87.4	1.6	11.0
	WNC	618	0.88	0.20	36.4	5.8	57.8
	SA	590	1.24	0.24	68.1	3.1	28.8
	ESC	364	1.14	0.18	61.5	3.0	35.4
	WSC	470	0.93	0.18	43.6	5.7	50.6
	MO	280	0.79	0.16	32.5	5.4	62.1
	PA	133	1.42	0.14	84.2	2.3	13.5
	Total	3109	1.14	0.25	59.7	3.8	36.5
60-69	NE	67	1.54	0.05	95.5	0.0	4.5
	MA	150	1.54	0.04	97.3	1.3	1.3
	ENC	437	1.41	0.06	93.8	0.9	5.3
	WNC	618	0.97	0.19	49.8	3.4	46.8
	SA	590	1.14	0.13	69.7	2.0	28.3
	ESC	364	1.11	0.13	70.3	2.2	27.5
	WSC	470	0.97	0.14	55.3	3.8	40.9
	MO	280	0.74	0.15	28.6	3.9	67.5
	PA	133	1.29	0.09	85.7	0.8	13.5
	Total	3109	1.11	0.17	65.9	2.5	31.6
70+	NE	67	1.32	0.02	98.5	0.0	1.5
	MA	150	1.29	0.01	100.0	0.0	0.0
	ENC	437	1.21	0.01	97.3	1.1	1.6
	WNC	618	1.06	0.08	74.3	3.7	22.0
	SA	590	1.04	0.05	61.7	13.2	25.1
	ESC	364	1.01	0.03	49.5	16.5	34.1
	WSC	470	0.95	0.06	53.0	8.1	38.9
	MO	280	0.83	0.09	32.1	5.7	62.1
	PA	133	1.07	0.05	78.2	3.8	18.1
	Total	3109	1.05	0.07	67.1	7.2	25.6

Abbreviation: NE = New England; MA = Mid-Atlantic; ENC = East North Central; WNC = West North Central; SA = South Atlantic; ESC = East South Central; WSC = West South Central; MO = Mountain; PA = Pacific Percentages of at least 50.0% are in bold.