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Table 5 Calls to Triple Zero: interrupted time series analysis (seasonally adjusted, average calls per day) – Priority 0 and DOAa cases

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

 

Phase 2

Meet the Team (9 months)

Priority 0

DOA

Priority 0

DOA

Slope pre-intervention

0.0

0.0

0.0

0.0

sig.

0.93

0.71

0.67

0.17

Change in slope pre–post

0.0

0.1

−0.1

0.0

sig.

0.90

0.49

0.56

0.70

Level effect

−0.9

1.1

−1.1

−0.4

sig.

0.87

0.58

0.19

0.46

SE

5.6

2.0

0.8

0.5

Tinv

11.3

4.0

1.7

0.9

CI–

−12.2

−2.9

−2.8

− 1.3

CI+

10.3

5.1

0.6

0.6

Predicted value

39

9

39

9

Relative effect

−2.4%

14.3%

−2.8%

−3.7%

  1. aNote: Priority 0 are the highest priority incidents which require a ‘lights and sirens’ response and usually involve sending additional resources such as a Mobile Intensive Care Ambulance. DOA are cases flagged as ‘not treated and not transported’ with the reason as ‘dead on arrival’