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Table 3 Negative binomial regression analyses of police shooting counts (full sample)

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

1.30+

0.98–1.72

1.29+

0.99–1.68

1.25

0.94–1.65

1.23

0.95–1.60

Gun stores rate

1.02***

1.01–1.03

1.02***

1.01–1.02

1.02***

1.01–1.03

1.02***

1.01–1.02

Concentrated disad.a

1.60***

1.36–1.88

1.51***

1.29–1.76

1.44***

1.22–1.69

1.62***

1.38–1.91

1.52***

1.30–1.78

1.46***

1.24–1.72

Gun homicide rate

1.16*

1.01–1.32

1.15*

1.01–1.31

1.13+

0.99–1.28

1.16*

1.01–1.32

1.14*

1.00–1.29

1.12+

0.99–1.28

Percent Black

0.99*

0.98–0.99

1.00

0.98–1.01

0.99

0.98–1.01

0.99*

0.98–1.00

1.00

0.99–1.00

1.00

0.99–1.01

Percent Hispanic

1.00+

0.99–1.00

1.00

0.99–1.00

1.00

0.99–1.01

0.99+

0.99–1.00

1.00

0.99–1.00

1.00

0.99–1.01

State

1.57**

1.21–2.04

1.24

0.95–1.62

1.27+

0.97–1.66

1.47**

1.13–1.91

1.15

0.88–1.50

1.18

0.90–1.55

LR Chi2

107.28***

122.99***

121.94***

103.06***

120.48***

118.06***

Pseudo R-squared

0.09

0.10

0.11

0.09

0.10

0.10

N

233

242

233

233

242

233

  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