Table 3.
Results from difference-in-difference models estimating changes in prescribing rate(s) from pre-implementation to maintenance periods
| Outcome | Comparison | Arm 1 RR (95% CI) |
Arm 2 RR (95% CI) |
Arm 3 RR (95% CI) |
Comparison CHCs RR (95% CI) |
|---|---|---|---|---|---|
| Primary outcomes | |||||
| Statin prescribing | Change within arm | 1.09 (1.06–1.13) | 1.11 (1.08–1.13) | 1.06 (1.03–1.09) | 1.04 (1.03–1.05) |
| Change relative to comparison CHCs | 1.05 (1.01–1.08) | 1.06 (1.03–1.09) | 1.02 (0.99–1.06) | - | |
| ACE/ARB prescribing | Change within arm | 0.95 (0.92–0.97) | 0.99 (0.97–1.01) | 0.99 (0.96–1.02) | 0.95 (0.94–0.95) |
| Change relative to comparison CHCs | 1.00 (0.98–1.03) | 1.05 (1.02–1.08) | 1.05 (1.02–1.08) | - | |
| Secondary outcomes | |||||
| Correct intensity statin prescribing | Change within arm | 1.24 (1.21–1.28) | 1.35 (1.31–1.39) | 1.11 (1.08–1.15) | 1.17 (1.16–1.18) |
| Change relative to comparison CHCs | 1.06 (1.03–1.10) | 1.15 (1.12–1.19) | 0.95 (0.93–0.98) | - | |
RR adjusted Rate Ratio, CI confidence interval. Results in italics are statistically significant at α = 0.05