Table 3.

Reduction in prescription of antibiotics in patients with suspected RTI within and across randomization groups.

Outcomes	OR	95%CI	p Value ¥
Acute bronchitis
Intervention	0.25	0.15; 0.42	0.001
Control	0.60	0.38; 0.94
Acute Otitis
Intervention	0.32	0.10; 1.01	0.05
Control	1.06	0.49; 2.28
All RTI
Intervention	0.59	0.53; 0.65	<0.001
Control	0.82	0.74; 0.91

^¥ p value of the interaction term: intervention * year—added value of the intervention.