Table 4

Statistically significant spatial clusters of accidental poisoning mortality in Texas by gender and race/ethnicity
Cluster
 No. of Observed Cases
 Annual age-adjusted rate (per 100,000)
 Relative Risk
 p-value
All populations



Primary cluster
 731
 6
 2.152
 0.001
Secondary cluster 1
 2408
 3.6
 1.285
 0.001
Secondary cluster 2
 520
 3.7
 1.326
 0.001
Secondary cluster 3
 148
 4.1
 1.468
 0.011
Secondary Cluster 4
 52
 5
 1.813
 0.049
All Males



Primary cluster
 624
 9.7
 2.433
 0.001
Secondary cluster 1
 1685
 5
 1.269
 0.001
Secondary cluster 2
 404
 5.7
 1.434
 0.001
All Females



Primary cluster
 962
 2.1
 1.278
 0.001
White Population



Primary cluster
 1725
 4
 1.351
 0.001
Secondary cluster 1
 290
 4.8
 1.622
 0.001
Secondary cluster 2
 114
 4.6
 1.539
 0.015
White Males



Primary cluster
 1030
 5.7
 1.399
 0.001
Secondary cluster 1
 217
 7.3
 1.782
 0.001
Secondary cluster 2
 269
 5.8
 1.414
 0.001
White Females



Primary cluster
 704
 2.6
 1.337
 0.001
Black Population



Primary cluster
 482
 4.3
 1.224
 0.001
Black Males



Primary cluster
 108
 7.2
 1.476
 0.039
Black Females



Primary cluster
 2
 373.8
 167.634
 0.022
Hispanic Population



Primary cluster
 500
 5.3
 2.459
 0.001
Secondary cluster 1
 120
 3.9
 1.788
 0.001
Hispanic Males



Primary cluster
 438
 10
 2.822
 0.001
Secondary cluster 1
 95
 6
 1.696
 0.001
Hispanic Females



Primary cluster
 128
 1.2
 1.524
 0.001

Nkhoma et al. International Journal of Health Geographics 2004 3:25   doi:10.1186/1476-072X-3-25

Open Data