Table 2

Unadjusted Poisson regression model

Parameter	B	Lower	Upper	Significance
(Intercept)	−11.4661	−11.6218	−11.3103	0.000
Slope pre-ban period	0.0020	0.0001	0.0040	0.038
Slope post-ban 1 period	−0.0005	-0.0012	0.0001	0.098
Slope post-ban 2 period	0.0005	−0.0016	0.0027	0.625
*Change in slope ban 1*	*−0.0026*	*−0.0049*	*−0.0002*	*0.031*
*Change in slope ban 2*	*0.0011*	*−0.0015*	*0.0036*	*0.414*

Dependent variable: sudden circulatory arrest incidence; offset variable: population size; covariates: week (pre-ban), week (post-ban 1), week (post-ban 2).