From: Impact of prescription length supply policy on patient medication adherence in Thailand
Measure | Unmatched | Propensity score matched | ||
---|---|---|---|---|
Type-2 diabetes patients | ||||
 | Intervention | Control | Intervention | Control |
No. of patients (n) | 470 | 5463 | 400 | 400 |
MPR (mean ± SD) |  |  |  |  |
Pre-EDP | 0.47 ± 0.27 | 0.53 ± 0.27 | 0.46 ± 0.26 | 0.49 ± 0.24 |
Post-EDP | 0.58 ± 0.30 | 0.59 ± 0.28 | 0.60 ± 0.30 | 0.58 ± 0.28 |
Difference in mean (Post-Pre) | + 0.11 | + 0.06 | + 0.14 | + 0.09 |
P value | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
Difference in Difference | + 0.05 | + 0.05 | ||
P value | < 0.001 | < 0.001 | ||
Adherence group (%, MPR ≥ 0.8) |  |  | ||
Pre-EDP | 13.2% | 17.8% | 11.2% | 10.5% |
Post-EDP | 26.0% | 24.4% | 28.0% | 21.8% |
Difference in % | + 12.8% | + 6.6% | + 16.8% | + 11.3% |
P value | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
Dyslipidemia patients | ||||
 | Intervention | Control | Intervention | Control |
Total (n) | 1099 | 14,396 | 934 | 934 |
MPR (mean ± SD) | ||||
Pre-EDP | 0.46 ± 0.30 | 0.55 ± 0.32 | 0.44 ± 0.27 | 0.48 ± 0.28 |
Post-EDP | 0.64 ± 0.32 | 0.68 ± 0.32 | 0.66 ± 0.32 | 0.66 ± 0.32 |
Difference in mean (Post-Pre) | + 0.18 | + 0.13 | + 0.22 | + 0.18 |
P value | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
Difference in Difference | + 0.05 | + 0.04 | ||
P value | < 0.001 | < 0.001 | ||
Adherence group (%, MPR ≥ 0.8) | ||||
Pre-EDP | 17.8% | 25.5% | 13.9% | 15.3% |
Post-EDP | 36.6% | 41.0% | 38.3% | 38.4% |
Difference in % | + 18.8% | + 15.5% | + 24.4% | + 23.1% |
P value | < 0.001 | < 0.001 | < 0.001 | < 0.001 |