Table 2 Comparison between caregiver-reported adherence and device-monitored adherence
First month | Second month | Third month | Fourth month | Fifth month | Sixth month | |
|---|---|---|---|---|---|---|
Intervention group | ||||||
Caregiver-reported adherence, mean (SD) | 93.0 (20.3) | 85.3 (27.9) | 92.3 (20.2) | 91.1 (23.1) | 90.5 (23.1) | 86.4 (27.0) |
Device-monitored adherence, mean (SD) | 92.6 (19.7) | 87.5 (28.1) | 79.9 (33.5) | 74.0 (41.0) | 73.4 (42.4) | 72.3 (41.5) |
P value of paired t test | 0.361 | 0.35 | 0.041 | 0.003 | 0.024 | 0.138 |
Control group | ||||||
Caregiver-reported adherence, mean (SD) | 95.3 (13.4) | 94.9 (14.1) | 96.3 (11.4) | 92.8 (18.4) | 87.6 (24.0) | 89.5 (21.5) |
Device-monitored adherence, mean (SD) | 77.8 (28.7) | 58.9 (41.3) | 44.8 (44.9) | 36.1 (43.0) | 33.1 (44.0) | 25.0 (36.0) |
P value of paired t test | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 |