Table 2 Summary of the model selection procedure for finding the best-fit logistic model that predicts membership in a hotspot district using a data driven procedure where the least significant variable was dropped from the model regardless of the hypothesized relationship

1

−X**

+X ns

−X*

−X ns

−X ns

−X ns

51.39

29.94

2

−X**

+X ns

−X**

−X ns

−X ns

–

65.59

30.37

3

−X**

+X ns

−X*

−X ns

–

−X ns

50.66

28.68

4

−X**

+X ns

−X**

−X ns

–

–

63.91

30.06

5

−X**

–

−X*

−X ns

−X ns

−X ns

49.86

29.48

6

−X**

–

−X**

−X ns

–

−X ns

48.87

28.47

7

−X**

–

−X**

−X ns

–

–

63.69

28.27

8

−X**

+X ns

−X**

–

−X ns

−X ns

52.45

26.88

9

−X**

+X ns

−X**

–

–

−X ns

52.84

24.49

10

−X**

–

−X**

–

–

−X ns

50.84

24.49

11

−X**

–

−X**

–

−X ns

−X ns

50.73

26.60

12

−X**

–

−X**

–

–

–

63.62

36.34