Health Research Policy and Systems

Table 2 Calls to Triple Zero: interrupted time series analysis (seasonally adjusted, average calls per day)

From: Ambulances are for emergencies: shifting behaviour through a research-informed behaviour change campaign

	Phase 1 Will’s Story				Phase 2 Meet the Team
	4 months	10 months	14 months	20 months	3 months	9 months
Slope pre-intervention	4.8	4.8	4.8	4.8	4.6	4.6
sig.	0.01	0.01	0.01	0.01	0.00	0.00
Change in slope pre–post	−2.9	−2.9	−2.9	−2.9	8.2	8.2
sig.	0.05	0.05	0.05	0.05	0.46	0.46
Level effect	−24.2	−70.4	− 101.2	−147.5	−47.8	−47.7
sig.	0.28	0.09	0.07	0.06	0.00	0.00
SE	22.0	40.2	54.7	77.3	14.2	14.2
Tinv	44.5	81.1	110.0	155.0	28.6	28.5
CI–	−68.7	− 151.5	−211.2	−302.4	−76.4	−76.2
CI+	20.3	10.7	8.7	7.5	−19.2	−19.2
Predicted value	1679	1674	1523	1593	1527	1600
Relative effect	−1.4%	−4.0%	− 6.2%	−8.5%	−3.0%	−2.9%

Back to article page

ISSN: 1478-4505

Contact us

Submission enquiries: Access here and click Contact Us
General enquiries: info@biomedcentral.com