Table 2

Associations of three interventions on alcohol-related motor vehicle crashes rates per 10 000 000 population, Concepción, 1 January 2010—31 December 2017 (SARIMA (2,0,0) (1,0,0)8) for residuals

	Naïve model			Uber-oriented model			Full model
	β	95% CI	P-value	β	95% CI	P-value	β	95% CI	P-value
Time	0.003	0.001 to 0.004	0.006	0.001	−0.002 to 0.005	0.458	0.001	−0.002 to 0.005	0.415
Zero tolerance law	−0.451	−0.690 to −0.229	0.002	−0.404	−0.733 to −0.075	0.015	−0.341	−0.665 to −0.017	0.036
Zero tolerance law change in trend				0.002	−0.003 to 0.008	0.433	0.001	−0.005 to 0.006	0.846
Emilia law	−0.098	−0.369 to 0.173	0.476	−0.141	−0.4265 to 0.144	0.331	−0.481	−0.885 to −0.077	0.020
Emilia law change in trend				−0.000	−0.005 to 0.004	0.844	−0.019	−0.035 to −0.002	0.027
Uber	−0.028	−0.285 to 0.229	0.830	−0.080	−0.444 to 0.285	0.668	−0.329	−0.746 to 0.089	0.122
Uber trend							0.020	0.002 to 0.037	0.025
Constant	1.090	0.948 to 1.239	<0.001	1.175	0.943 to 1.407	<0.001	1.172	0.950 to 1.395	<0.001

Autoregressive, Akaike information criterion and Ljung-Box tests values for each model are available in online supplementary Appendix F.