Intercept 24 months before incentive billing* | 1.10 (1.09 to 1.11) | 0.776 (0.770 to 0.781) | 28.3 (28.1 to 28.5) | 18.5 (18.1 to 19.0) | 16.0 (15.9 to 16.1) | 588.20 (581.39 to 595.01) |
Preincentive trend† | 0.0020 (0.0015 to 0.0025) | −0.0008 (−0.0012 to 0.0004) | 0.002 (−0.011 to 0.014) | 0.023 (−0.006 to 0.052) | 0.037 (0.029 to 0.045) | 2.50 (2.02 to 2.99) |
Change in level after incentive introduction‡ | 0.019 (0.009 to 0.030) | −0.0054 (−0.0128 to 0.0019) | 0.50 (0.23 to 0.77) | 0.51 (−0.06 to 1.08) | 0.07 (−0.10 to 0.23) | 35.81 (25.85 to 45.78) |
Change in trend after incentive introduction§ | −0.0003 (−0.0010 to 0.0004) | 0.0014 (0.0008 to 0.0019) | 0.077 (0.063 to 0.091) | 0.04099 (0.00007 to 0.08191) | 0.037 (0.029 to 0.045) | 0.17 (−0.41 to 0.76) |
Mean monthly change¶ | 0.016 (−0.047 to 0.078) | 0.012 (−0.001 to 0.024) | 1.46 (0.04 to 2.89) | 1.0 (−0.1 to 2.2) | 0.5 (−0.8 to 1.9) | 37.98 (−0.20 to 76.17) |