Differentiating anomalous disease intensity with confounding variables in space

Wu, Chih-Chieh; Shete, Sanjay

doi:10.1186/s12942-020-00231-3

International Journal of Health Geographics

Table 1 Frequency distributions of the number of adjacencies simulated on the basis of 1 million random selections in North Carolina counties (1985)

From: Differentiating anomalous disease intensity with confounding variables in space

Test Statistic B
	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Number of risk districts
2	950,159	49,841
3	857,308	137,832	3914	946
4	732,054	242,499	21,366	3810	227	42	2
5	590,814	336,495	59,444	11,445	1480	287	32	3
6	450,382	396,717	118,785	27,420	5405	1073	180	31	7
7	323,334	411,171	189,011	57,366	14,760	3364	784	170	30	9	1
8	218,544	381,058	253,117	101,837	32,717	9521	2435	588	133	44	5	1
9	138,529	321,211	291,730	155,654	62,603	21,215	6537	1836	521	125	30	6	1	2
10	82,053	245,418	296,086	206,466	104,215	43,060	15,270	5185	1577	480	147	31	9	3
11	45,477	171,729	266,959	238,850	150,703	75,643	32,117	12,086	4354	1410	461	155	36	16	4
12	23,242	109,855	216,702	245,088	190,909	115,006	57,804	25,338	10,294	3810	1291	461	144	39	11	4	2
13	11,276	64,768	157,128	222,148	213,151	155,271	92,672	47,274	21,719	8916	3664	1308	469	156	51	18	5	5
14	4973	34,446	103,575	179,331	210,320	185,701	129,737	77,672	40,753	19,452	8312	3504	1423	543	181	47	26	4
15	2051	17,019	61,391	129,783	184,715	193,134	161,433	112,320	68,674	36,986	18,171	8433	3616	1380	568	220	57	33	12
16	781	7534	32,853	83,879	143,272	180,165	176,656	144,634	100,421	62,336	34,721	17,760	8379	3751	1696	715	282	105	36
17	261	3105	16,147	48,582	99,058	148,213	172,523	163,592	131,300	92,051	58,418	33,108	17,578	8675	4175	1860	780	354	137
18	106	1178	6954	25,289	60,982	108,386	147,655	163,622	151,691	122,079	87,207	55,888	32,987	18,068	9481	4634	2096	966	435
19	20	412	2772	12,016	33,858	70,109	111,956	144,068	155,078	142,991	115,384	83,703	54,993	33,762	18,945	10,204	5244	2438	1172
20	5	126	1085	5004	16,238	39,617	74,740	112,616	139,725	147,194	136,048	111,012	82,284	55,470	35,209	20,686	11,453	5813	2989
21		32	315	1856	7269	20,186	44,377	77,318	110,293	133,710	140,236	130,029	108,697	82,489	56,797	36,886	22,490	12,829	7069
22		10	87	575	2726	9026	23,189	46,437	76,994	106,700	128,272	134,653	126,312	106,480	82,276	59,380	39,719	24,942	14,833
23		5	21	187	933	3459	10,503	24,608	46,971	74,885	102,107	122,616	128,487	122,631	106,326	84,294	62,080	43,120	27,884
24			1	40	313	1251	4274	11,475	25,062	45,890	71,740	97,160	116,139	123,762	119,692	105,415	86,590	65,465	46,989
25			1	16	79	365	1488	4687	11,584	24,737	44,243	67,097	91,804	110,020	119,206	116,598	105,837	88,762	69,279

Test Statistic B
	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	Mean	Variance
Number of risk districts
2																		0.049841	0.047357
3																		0.14850	0.139951
4																		0.297791	0.278328
5																		0.497286	0.462137
6																		0.744885	0.685536
7																		1.043376	0.95444
8																		1.391523	1.26439
9																		1.785891	1.604608
10																		2.235957	1.996241
11																		2.735061	2.42580
12																		3.278483	2.869409
13	1																	3.875225	3.367968
14																		4.522114	3.886849
15	2	1	1															5.219609	4.45820
16	16	7		1														5.969317	5.058543
17	49	23	9	2														6.7586	5.662858
18	196	60	23	8	5	2	1	1										7.603729	6.31320
19	492	223	88	50	12	9	1											8.49114	6.98076
20	1513	635	307	140	56	20	9	6										9.441983	7.673056
21	3690	1852	898	376	160	91	30	14	5	4	2							10.4340	8.406782
22	8401	4453	2352	1171	565	256	117	37	23	12	2							11.47922	9.146078
23	17,106	10,097	5607	3026	1526	813	389	163	86	36	24	4	4	1		1		12.57792	9.92431
24	31,385	19,974	12,273	7059	3861	2141	1007	550	277	119	53	21	12	7		3		13.71906	10.72648
25	50,689	35,307	23,681	14,750	8817	5026	2781	1558	785	420	202	116	39	13	11	1	1	14.90769	11.5430

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ISSN: 1476-072X

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