Table 3

Segmented regression analysis results for drug utilisation (atorvastatin 5 mg and 10 mg)

VariableModel 1Model 2
Coefficients95% CICoefficients95% CI
Time−0.31***−0.36−0.25−0.31***−0.36−0.25
Intervention (level change)−0.25−0.90.41−0.48−1.120.15
Time after intervention (trend change)0.12***0.060.180.11***0.050.17
_Const34.34***33.7834.934.34***33.834.88
Number of observations48 (preintervention: 17 and postintervention: 31)45 (preintervention: 17 and postintervention: 28)
R2 0.98280.9763
  • ***P<0.001.

  • **P<0.05.