From: Firearm laws and the network of firearm movement among US states
Negative binomial model | ||
Variable | b (95% CI) | Incidence Rate Ratio |
Intercept | −1.15 (−1.64, −0.66)*** | 0.32 |
Year | 0.11 (0.08, 0.14)*** | 1.11 |
Poverty rate | 0.13 (0.04, 0.22)** | 1.14 |
Density | −0.15 (−0.27, −0.03)* | 0.86 |
Area | 0.90 (0.74, 1.06)*** | 2.46 |
Firearm ownership | −0.46 (−0.58, −0.35)*** | 0.63 |
Number of laws | −0.55 (−0.71, − 0.27)*** | 0.58 |
Census division | ||
New England | Ref | |
Mid-Atlantic | 2.41 (1.77, 3.05)*** | 11.13 |
East North Central | 1.88 (1.37, 2.39)*** | 6.54 |
West North Central | 0.28 (−0.31, 0.88) | 1.33 |
South Atlantic | 2.39 (1.91, 2.87)*** | 10.92 |
East South Central | 1.69 (1.17, 2.20)*** | 5.40 |
West South Central | 0.63 (0.03, 1.23)* | 1.87 |
Mountain | 0.16 (−0.36, 0.69) | 1.18 |
Pacific | 1.83 (1.34, 2.32)*** | 6.26 |
Zero-inflation model | ||
Variable | b (95% CI) | Adjusted Odds Ratio |
Intercept | −2.42 (−3.01, −1.83)*** | 0.09 |