Table 2

Results of interrupted time series analyses for primary (AUDIT-C scores) and secondary outcomes

	Unadjusted				Adjusted for temperature				Adjusted for off and on prices of beer and wine/spirits				Adjusted for temperature and on and off prices of beer and wine/spirits
	β	Lower CI	Upper CI	P value	β	Lower CI	Upper CI	P value	β	Lower CI	Upper CI	P value	β	Lower CI	Upper CI	P value
AUDIT-C scores
Intercept	2.785	2.723	2.847	<0.001	2.740	2.554	2.926	<0.001	5.055	−5.893	16.003	0.365	3.484	−7.775	14.743	0.544
Preintervention trend	−0.003	−0.008	0.002	0.306	−0.002	−0.007	0.003	0.325	<0.001	−0.010	0.010	0.975	<0.001	−0.010	0.010	0.977
Step-level change	0.001	−0.079	0.099	0.824	0.011	−0.078	0.100	0.805	0.027	−0.081	0.135	0.619	0.029	−0.079	0.137	0.596
Change in trend	0.008	0.001	0.015	0.015	0.008	0.001	0.015	0.020	0.007	−0.008	0.022	0.343	0.008	−0.007	0.023	0.314
Graduated frequency
Intercept	9.861	9.134	10.588	<0.001	9.737	8.882	10.592	<0.001	−0.567	−58.095	56.961	0.985	7.858	−62.354	78.070	0.826
Step-level change	0.105	−0.652	0.862	0.785	0.089	−0.671	0.849	0.818	0.047	−0.715	0.809	0.905	−0.007	−0.799	0.785	0.987
Alcohol taxation data
Intercept	0.797	0.776	0.818	<0.001	0.77	0.679	0.861	<0.001	7.696	−1.32	16.713	0.105	7.364	−2.242	16.97	0.144
Preinter trend	−0.001	−0.002	0.001	0.405	−0.001	−0.002	0.001	0.451	−0.007	−0.015	0.001	0.116	−0.006	−0.015	0.003	0.174
Step-level change	0.006	−0.025	0.036	0.715	0.005	−0.026	0.037	0.747	−0.060	−0.144	0.024	0.174	−0.056	−0.144	0.032	0.223
Change in trend	0.001	−0.001	0.004	0.248	0.001	−0.001	0.004	0.294	0.003	−0.007	0.013	0.559	0.003	−0.008	0.014	0.577
Assault hospitalisations
Intercept	2249	2160	2342	<0.001	1786	1592	2004	<0.001	488×10⁴	4395	543×10⁷	<0.001	236 874	739	759×10⁵	<0.001
Preinter trend	1.000	0.997	1.003	0.934	1.001	0.998	1.003	0.757	1.002	0.996	1.008	0.546	1.001	0.996	1.006	0.807
Step-level change	0.927	0.875	0.983	0.015	0.927	0.878	0.978	0.009	0.941	0.885	1.000	0.061	0.925	0.875	0.977	0.009
Change in trend	1.005	1.001	1.009	0.030	1.004	1.000	1.008	0.080	0.997	0.989	1.005	0.440	0.999	0.992	1.007	0.867
Alcohol poisoning hospitalisations
Intercept	173	156	192	<0.001	149	129	172	<0.001	86 236	0	415×10⁸	0.098	6267	0	569×10⁷	0.220
Preinter trend	1.009	1.001	1.017	0.040	1.008	1.000	1.016	0.061	1.009	0.996	1.022	0.189	1.008	0.995	1.022	0.221
Step level change	0.846	0.735	0.975	0.026	0.874	0.760	1.004	0.064	0.862	0.749	0.993	0.047	0.868	0.751	1.004	0.064
Change in trend	0.996	0.984	1.007	0.443	0.995	0.983	1.006	0.383	0.992	0.973	1.011	0.413	0.993	0.974	1.013	0.500

Rows in bold are significant effects at the 0.05 level. All models control for seasonality.
AUDIT-C, Alcohol Use Disorders Identification Test—Consumption.