Impact of CancelRx on discontinuation of controlled substance prescriptions: an interrupted time series analysis

Table 1 Overall interrupted time series analysis

	Coef	Std. Err	t	P >\|t\|	95% CI
Pre-intervention trend (β1)	0.474	0.065	7.29	< 0.001	0.34559	0.6035
Immediate effect (β2)	77.754	3.7191	20.91	< 0.001	70.382	85.1262
Difference in pre and post trends (β1 + β3)	− 0.4424	0.07246	− 6.11	< 0.001	− 0.586	− 0.298
Post-intervention trend (β3)	0.03	0.04	0.77	0.441	− 0.05	0.11
Adjusting covariate (β4) number of weekly discontinuations	0.0608	0.0278	2.18	0.031	0.00562	0.116
Predicted initial level (Intercept β0)	− 10.667	3.062	− 3.48	0.001	− 16.7364	− 4.597

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