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Table 4 Negative binomial regression analyses of police shooting counts (sub-sample of jurisdictions with gun stores)

From: Firearm availability and police shootings of citizens: a city level analysis of fatal and injurious shootings in California and Florida

Variable

Model 1

Model 2

Model 3

Model 4

Model 5

Model 6

Citizens shot

Citizens shot

Citizens shot

Shooting incidents

Shooting incidents

Shooting incidents

IRR

CI

IRR

CI

IRR

CI

IRR

CI

IRR

CI

IRR

CI

Guns lost/stolen rate

1.20

0.90–1.61

1.32*

1.01–1.76

1.21

0.90–1.63

1.14

0.86–1.52

1.27+

0.96–1.67

1.14

0.85–1.54

FFL1 rate

1.02**

1.01–1.03

1.02***

1.01–1.03

FFL 2 rate

1.07***

1.04–1.10

1.07***

1.04–1.10

Big box store rate

 

1.14**

1.05–1.25

1.15**

1.05–1.25

Concentrated disad.a

1.45***

1.20–1.75

1.47***

1.23–1.76

1.45***

1.20–1.74

1.46***

1.21–1.77

1.49***

1.25–1.78

1.47***

1.22–1.76

Gun homicide rate

1.20*

1.02–1.42

1.25**

1.06–1.46

1.25**

1.06–1.47

1.20*

1.02–1.42

1.24**

1.06–1.46

1.25**

1.06–1.47

Percent Black

1.00

0.98–1.01

.99

0.98–1.00

0.99

0.98–1.01

1.00

0.98–1.01

0.99

0.98–1.00

0.99

0.98–1.01

Percent Hispanic

1.00

0.99–1.01

1.00

0.99–1.00

1.00

0.99–1.00

1.00

0.99–1.01

1.00

0.99–1.00

1.00

0.99–1.00

State

1.23

0.92–1.66

1.17

0.88–1.56

1.44*

1.09–1.91

1.14

0.82–1.53

1.08

0.81–1.45

1.34*

1.01–1.77

LR chi2

100.04***

107.39***

93.94***

96.94***

103.58***

91.34***

Pseudo R-squared

0.11

0.12

0.11

0.11

0.12

0.10

N

152

152

154

152

152

154

  1. Entries include incidence rate ratios (IRR) and confidence intervals (CI)
  2. +p < 0.10; *p < 0.05; **p < 0.01; ***p < 0.001 (two-tailed test)
  3. a = Weighted factor score of 3 items: percentage of the population living in poverty, percentage of the population with female-headed households, and the median income (reverse coded)—measured for each city