Table 2.

Reported adherence and groups of above 95% and below 80% adherence, by measure

Method	Overall adherence (%), median (IQR)	>95% adherent n (%)	<80% adherent n (%)
overallMEMS	92 (85–99)	16 (36)	8 (18)
timedMEMS	66 (50–79)	4 (9)	33 (73)
3DR	100 (100)	45 (92)	2 (4)
VAS	100 (100)	43 (90)	2 (4)
PR	100 (100)	49 (92)	0
RS	103 (99–106)	43 (90)	1 (2)

MEMS Medication event monitoring system, 3DR 3-Day recall, VAS Visual analogue scale, PR Pharmacy refill, RS Measurement of returned syrup, IQR Interquartile range