Testing time-sensitive influences of weather on street robbery

Tompson, Lisa A; Bowers, Kate J

doi:10.1186/s40163-015-0022-9

Crime Science

Table 4 Model 2: negative binomial model for discretionary activity influences on robbery

From: Testing time-sensitive influences of weather on street robbery

	IRR	2.5%	97.5%	p-value	Adjusted p-value
(Intercept)	3.438	2.048	5.751	<0.001	0.000
Sequential	1.000	1.000	1.000	<0.001	0.000
Mean temperature (°C)	1.013	1.005	1.020	0.001	0.006
Mean humidity	0.993	0.988	0.999	0.023	0.076
Mean wind speed (km per hour)	0.992	0.987	0.997	0.003	0.016
Proportion of fog	1.000	0.997	1.003	0.954	0.954
Proportion of rain	1.000	0.998	1.001	0.699	0.884
Proportion of snow	1.001	0.986	1.014	0.938	0.954
Early shift (4 am-10 am)	0.240	0.089	0.638	0.004	0.019
Mid shift (10 am-4 pm)	0.537	0.290	0.998	0.049	0.124
Late shift (4 pm-10 pm)	1.175	0.678	2.042	0.567	0.811
Weekend	0.467	0.328	0.664	<0.001	0.000
Public holidays	0.951	0.394	2.269	0.910	0.954
Int: mean temperature and early shift	0.974	0.961	0.988	<0.001	0.000
Int: mean temperature and mid shift	0.987	0.977	0.997	0.010	0.043
Int: mean temperature and late shift	0.977	0.968	0.986	<0.001	0.000
Int: mean temperature and weekend	1.000	0.993	1.008	0.942	0.954
Int: mean temperature and public holidays	1.021	0.999	1.043	0.063	0.151
Int: mean humidity and early shift	1.001	0.991	1.012	0.804	0.943
Int: mean humidity and mid shift	1.004	0.997	1.011	0.309	0.531
Int: mean humidity and late shift	1.001	0.995	1.007	0.833	0.943
Int: mean humidity and weekend	1.011	1.007	1.015	<0.001	0.000
Int: mean humidity and public holidays	0.996	0.987	1.005	0.412	0.681
Int: mean wind speed and early shift	1.011	1.002	1.020	0.021	0.076
Int: mean wind speed and mid shift	1.005	0.998	1.012	0.144	0.283
Int: mean wind speed and late shift	1.006	1.000	1.012	0.042	0.120
Int: mean wind speed and weekend	1.001	0.996	1.006	0.662	0.863
Int: mean wind speed and public holidays	1.004	0.992	1.016	0.523	0.803
Int: proportion of fog and early shift	0.996	0.990	1.001	0.141	0.283
Int: proportion of fog and mid shift	0.997	0.992	1.002	0.247	0.462
Int: proportion of fog and late shift	1.001	0.996	1.006	0.662	0.863
Int: proportion of fog and weekend	1.000	0.997	1.004	0.877	0.954
Int: proportion of fog and public holidays	1.007	1.000	1.014	0.032	0.098
Int: proportion of rain and early shift	1.001	0.998	1.004	0.462	0.736
Int: proportion of rain and mid shift	1.002	1.000	1.004	0.048	0.124
Int: proportion of rain and late shift	1.001	1.000	1.003	0.120	0.272
Int: proportion of rain and weekend	0.998	0.997	1.000	0.023	0.076
Int: proportion of rain and public holidays	1.002	0.998	1.006	0.300	0.531
Int: proportion of snow and early shift	0.997	0.977	1.016	0.780	0.943
Int: proportion of snow and mid shift	0.982	0.957	1.004	0.145	0.283
Int: proportion of snow and late shift	0.995	0.979	1.011	0.554	0.811
Int: proportion of snow and weekend	0.998	0.985	1.012	0.828	0.943
Int: proportion of snow and public holidays	0.991	0.952	1.021	0.585	0.811

N.B. Cragg and Uhler pseudo R² = 0.23, the 2x log likelihood = −36774.6.

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ISSN: 2193-7680

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