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Table 1 Service quality scores for the teams during P0 and P1

From: Advice from the health insurer as a channelling strategy: a natural experiment at a Dutch health insurance company

  P0 Jan-Mar ‘16 N Age (SD) P1 20 Oct ‘16– Mar ‘17 Na Age (SD) Difference in service quality scores
Pilot team 7.44 1037 57,9 (13,4) 8.14 959 57,2 (12,6) +.70
Team M 7.47 998 57,7 (12,9) 7.67 1659 59,4 (12,0) +.20
Team D 7.56 848 58,7 (13,0) 7.71 2258 60,2 (12,9) +.15
  1. a N during P1 differs slightly from numbers in Fig. 3, because of a small number of missing values on the question of the quality of service