Table 3

Clusters identified by the Poisson method stratified by mechanism


Relative Risk
P-value
Number in Cluster

Total Injuries (# 1997)
     1st
1.67
0.001
428
     2nd
6.84
0.001
37
     3rd
2.41
0.001
125
     4th
2.36
0.001
57
     Total


647 (32%)
Motor Vehicle Collision Injuries (# 413)
     1nd
2.80
0.001
130
     2rd
2.25
0.024
30
     3th
5.67
0.025
8
     Total


168 (41%)
Pedestrian & Bicycle Injuries (# 219)
     1st
4.44
0.001
24
     2nd
10.65
0.001
11
     Total


35 (16%)
Fall Injuries (# 1035)
     1st
8.97
0.001
25
     2nd
2.74
0.001
73
     3rd
2.32
0.005
40
     4rd
2.27
0.013
35
     Total


173 (17%)
Environmental Injuries (# 236)
     1st
7.99
0.002
9
     Total


9 (4%)
Assault Injuries (# 94)
     1st
8.27
0.001
11
     Total


11 (12%)

Warden International Journal of Health Geographics 2008 7:51   doi:10.1186/1476-072X-7-51

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