Table 1.

Parameter estimates from the interrupted time series analysis examining the change in level and slope of dispensed prescriptions in primary care by NMIPs following the implementation of primary care clusters in October 2015 (n=84 months)

Variable	Coefficient	Lower 95% CI	Upper 95% CI	P value
Intercept	31 755.5	30 208.3	33 302.8	<0.001
Preintervention slope	496.3	444.8	547.8	<0.001
Level change	3023.4	−2151.5	8198.2	0.248
Postintervention slope	1379.7	904.4	1855.1	<0.001

NMIPs, non-medical independent prescribers.