Table 3.
Impact of differing time-frames on correlations between methods
|
Prescription refill |
Physician rating |
Plasma concentration |
Self-report |
|||
|---|---|---|---|---|---|---|
| r | p | r | p | r | p | |
|
Prescription refill – previous month |
0.090 |
0.349 |
−0.071 |
0.470 |
0.112 |
0.276 |
|
Prescription refill – 3months |
0.105 |
0.226 |
0.050 |
0.573 |
0.115 |
0.218 |
|
Prescription refill – 4months |
0.194 |
0.021* |
0.175 |
0.040* |
0.167 |
0.069 |
| Prescription refill – 6months | 0.243 | 0.006* | 0.251 | 0.005* | 0.189 | 0.050# |
*indicates significant correlation: p<0.05, # indicates significant correlation: p=0.050.