From: Advice from the health insurer as a channelling strategy: a natural experiment at a Dutch health insurance company
P0 Jan-Mar ‘16
N
P1 20 Oct ‘16– Mar ‘17
Difference
Pilot team
7.84
274
8.32
576
+.48
Team M
7.73
266
7.90
584
+.17
Team D
7.98
235
859
−.08