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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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International Journal of Health Geographics

ISSN: 1476-072X

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