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. 2014 Mar 20;11:E41. doi: 10.5888/pcd11.130264

Table 2. Example Summaries of Clusters of Late-Stage Diagnosis of Colorectal Cancer, by Method, Scale, and Aggregation, Florida 2006–2010a .

Scale, (%) Location Cluster
Local
P Value
Block Group Census Tract Block Group, Range (SD) Census Tract, Range (SD) Block Group Census Tract
Black Cluster Summary (Bernoulli Method)
1 Area A No cluster 1.60 No cluster 0–1.7 (0.8) No cluster .18
2 1.55 1.48 0–1.7 (0.6) 0–1.7 (0.8) .10 .06
5 1.37 1.43 0–1.7 (0.7) 0–1.7 (0.8) .04 .05
10 1.37 1.43 0–1.7 (0.7) 0–1.7 (0.8) .04 .05
15 1.37 1.43 0–1.7 (0.7) 0–1.7 (0.8) .04 .05
20 1.37 No cluster 0–1.7 (0.7) No cluster .04 .05
25 1.37 0–1.7 (0.7) .04 No cluster
30 1.37 0–1.7 (0.7) .04
35 1.37 0–1.7 (0.7) .04
40 1.37 0–1.7 (0.7) .04
45 1.37 0–1.7 (0.7) .04
50 1.38 0–1.7 (0.7) .04
20 Area A, plus a significantly larger region No cluster 1.19 No cluster 0–1.7 (0.7) No cluster .05
25 1.19 0–1.7 (0.7) .05
30 1.19 0–1.7 (0.7) .05
35 1.19 0–1.7 (0.7) .05
40 1.19 0–1.7 (0.7) .05
45 1.19 0–1.7 (0.7) .05
50 1.19 0–1.7 (0.7) .05
50 Area B No cluster 1.59 No cluster 0–1.7 (0.8) No cluster .56
Black Cluster Summary (Poisson Method)
1 Area A subsection 1 No cluster 4.00 No cluster 1.7–6.4 (1.7) No cluster .03
2 No cluster 4.00 No cluster 1.7–6.4 (1.7) No cluster .03
5 Area A 1.55 1.43 0–45.3 (4.1) 0–1.7 (0.8) .27 .05
10 1.55 1.53 0–45.3 (4.6) 0–33.3 (4.2) .12 .03
15 1.51 1.53 0–45.3 (4.6) 0–33.3 (4.2) .12 .03
20 1.55 1.53 0–45.3 (4.6) 0–33.3 (4.2) .12 .03
25 1.55 1.53 0–45.3 (4.6) 0–33.3 (4.2) .12 .03
25 1.55 1.53 0–45.3 (4.6) 0–33.3 (4.2) .12 .03
30 1.55 1.53 0–45.3 (4.6) 0–33.3 (4.2) .12 .03
35 1.55 1.53 0–45.3 (4.6) 0–33.3 (4.2) .12 .03
40 1.51 1.53 0–45.3 (4.6) 0–33.3 (4.2) .12 .03
45 1.51 1.53 0–45.3 (4.6) 0–33.3 (4.2) .12 .03
50 No cluster 1.53 No cluster 0–33.3 (4.2) No cluster .03
1 Area G subsection 1 No cluster 0 No cluster 0 No cluster .26
1 Area G subsection 2 0 No cluster 0 No cluster .48 No cluster
2 0 No cluster 0 No cluster .48 No cluster
2 Area H 0.35 No cluster 0–32.4 (2.0) No cluster .32 No cluster
5 Area G 0.38 No cluster 0–32.4 (2.1) No cluster <.001 No cluster
10 0.38 0.42 0–32.4 (2.1) 0–11.2 (1.2) <.001 <.001
15 0.38 0.42 0–32.4 (2.1) 0–11.2 (1.2) <.001 <.001
20 0.38 0.42 0–32.4 (2.1) 0–11.2 (1.2) <.001 <.001
25 0.38 0.42 0–32.4 (2.1) 0–11.2 (1.2) <.001 <.001
35 0.38 0.42 0–32.4 (2.1) 0–11.2 (1.2) <.001 <.001
40 0.38 0.42 0–32.4 (2.1) 0–11.2 (1.2) <.001 <.001
45 0.38 0.42 0–32.4 (2.1) 0–11.2 (1.2) <.001 <.001
50 0.38 0.42 0–32.4 (2.1) 0–11.2 (1.2) <.001 <.001
Cuban Cluster Summary (Bernoulli Method)
1 Area A subsection 1 1.61 1.61 0–1.6 (0.72) 0–1.6 (0.76) .40 .95
2 Area A subsection 2 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .61 .48
5 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .68 .53
10 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .70 .56
15 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .70 .56
20 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .70 .57
25 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .71 .57
30 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .71 .57
35 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .71 .57
40 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .71 .58
45 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .70 .58
50 1.61 1.62 0–1.6 (0.56) 0–1.6 (0.76) .90 .58
Hispanic White Cluster Summary (Bernoulli Method)
1 Area A 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .24 .12
2 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .27 .14
5 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .29 .16
10 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .30 .16
15 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .30 .16
20 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .30 .16
25 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .30 .16
30 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .30 .16
35 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .30 .16
40 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .30 .16
45 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .30 .16
50 1.55 1.53 0–1.7 (0.80) 0–1.7 (0.71) .30 .16
Hispanic White Summary (Poisson Method)
10 Area A No cluster 1.41 No cluster 0–10.0 (1.70) No cluster <.001
25 1.41 1.38 0–50.7 (3.67) 0–10.04 (1.46) <.001 <.001
30 1.41 1.36 0–50.7 (3.67) 0–42.1 (2.72) <.001 <.001
35 1.40 No cluster 0–10.0 (1.29) No cluster <.001 No cluster
40 1.41 No cluster 0–42.1 (2.71) No cluster <.001 No cluster
45 1.40 No cluster 0–82.7 (3.85) No cluster <.001 No cluster
50 1.40 1.37 0–82.7 (3.85) 0–104.4 (4.72) <.001 <.001
25 Area a (high risk)b 1.54 No cluster 0–5.0 (1.02) No cluster .07 No cluster
30 1.54 No cluster 0–5.0 (1.02) No cluster .07 No cluster
2 Area A subsection 1 No cluster 2.00 No cluster 0–10.0 (2.48) No cluster .05
5 1.57 1.51 0–27.2 (3.41) 0–10.0 (1.90) .02 <.001
10 1.46 No cluster 0–27.2 (3.18) No cluster <.001 No cluster
15 1.37 1.43 0–50.7 (3.57) 0–10.0 (1.52) <.001 <.001
20 1.43 1.36 0–50.7 (4.29) 0–10.0 (1.50) <.001 <.001
35 No cluster 1.31 No cluster 0–121.4 (7.77) No cluster .15
40 No cluster 1.49 No cluster 0–25.7 (2.89) No cluster .33
45 No cluster 1.49 No cluster 0–25.7 (2.89) No cluster .33
5 Area A subsection 2 1.58 1.49 0–52.2 (6.34) 0–6.6 (1.27) .02 .26
10 1.58 No cluster 0–41.1 (5.10) No cluster .48 No cluster
15 1.39 1.41 0–44.64 (3.43) 0–6.79 (1.09) <.001 <.001
20 1.41 1.40 0–16.2 (1.91) 0–4.92 (0.79) .04 .06
35 No cluster 1.36 No cluster 0–10.0 (1.29) No cluster <.001
40 No cluster 1.37 No cluster 0–10.0 (1.25) No cluster <.001
45 No cluster 1.37 No cluster 0–10.0 (1.25) No cluster <.001
5 Area A subsection 3 1.71 No cluster 0–44.4 (5.52) No cluster .03 No cluster
15 Area C 1.56 1.68 0–21.7 (2.96) 0–15.3 (1.05) .12 .08
20 1.68 No cluster 0–22.11 (3.02) No cluster .04 No cluster
25 No cluster 1.53 No cluster 0–15.0 (2.01) No cluster .17
30 No cluster 1.55 No cluster 0–22.0 (3.01) No cluster .09
35 1.72 1.58 0–15.2 (2.04) 0–15.4 (2.07) .05 .04
40 1.61 1.61 0–47.3 (3.97) 0–15.7 (2.10) .04 .01
45 1.67 1.61 0–48.7 (4.08) 0–15.7 (2.10) <.001 .01
50 1.67 1.69 0–48.7 (4.08) 0–16.2 (2.17) <.001 <.001
20 Area a (low risk)b 0 No cluster 0–0 (0) No cluster .62 No cluster
50 No cluster 0.17 No cluster 0–1.5 (0.35) No cluster .87
1 Area I 0.23 0.24 0–142.5 (6.31) 0–227.5 (12.96) .28 .32
2 0.32 0.25 0–142.5 (5.73) 0–230.4 (13.10) .06 .41
5 0.34 No cluster 0–153.6 (6.18) No cluster .32 No cluster
10 0.61 0.65 0–148.7 (5.38) 0–234.5 (7.47) <.001 .06
40 0.68 No cluster 0–169.70 (6.31) No cluster .13 No cluster
45 0.71 No cluster 0–176.7 (6.57) No cluster .74 No cluster
50 0.71 No cluster 0–176.6 (6.57) No cluster .74 No cluster
10 Area J 0.66 No cluster 0–34.4 (2.41) No cluster .05 No cluster
a

Non-Hispanic whites are excluded from table for simplicity.

b

Lower case “a” indicates a smaller risk cluster adjacent to a larger cluster.