Table 3 Impact of window length on measurement properties
From: Comparison of pharmacy-based measures of medication adherence
Measure of Medication Aquisition | Duration of Observation Window | ||||
|---|---|---|---|---|---|
3 months | 6 months | 9 months | 12 months | 15 months | |
CMA4 | 0.68 ± 0.30 (6094) | 0.58 ± 0.32 (5545) | 0.54 ± 0.32 (4915) | 0.53 ± 0.31 (4045) | 0.54 ± 0.31 (2694) |
CMA6 | 0.65 ± 0.29 (6094) | 0.53 ± 0.29 (5545) | 0.50 ± 0.29 (4915) | 0.50 ± 0.29 (4045) | 0.51 ± 0.29 (2694) |
CMA7 | 0.42 ± 0.33 (6436) | 0.41 ± 0.30 (6185) | 0.41 ± 0.29 (5855) | 0.40 ± 0.29 (5355) | 0.40 ± 0.29 (4485) |
CMA8 | 0.35 ± 0.35 (6436) | 0.38 ± 0.31 (6185) | 0.39 ± 0.30 (5855) | 0.39 ± 0.29 (5355) | 0.39 ± 0.29 (4485) |