Table 2.

Adherence by treatment arm among patients that returned for 6-week follow-up

Returned for 6-week follow-up	Standard	Concomitant	Sequential	Total
	N=475	N=471	N=470	N=1416
Amount of Medication Taken (N, %)*
All (100%)	427 (89·9)	442 (93·8)	437 (93)	1306 (92·2)
Nearly all (>80%)	7 (1·5)	0 (0)	2 (0·4)	9 (0·6)
Most (50%–80%)	24 (5·1)	14 (3)	21 (4·5)	59 (4·2)
Less than half (<50%)	10 (2·1)	8 (1·7)	5 (1·1)	23 (1·6)
Undetermined (but not all)	7 (1·5)	5 (1·1)	5 (1·1)	17 (1·2)
None	0 (0)	2 (0·4)	0 (0)	2 (0·1)
Reasons for not taking all meds (N, %)**
Concern about having or developing side effects	41 (8·6)	28 (5·9)	33 (7·0)	102 (7·2)
Unrelated illness/injury	3 (0·6)	1 (0·2)	5 (1·1)	9 (0·6)
Forgot or inconvenient	36 (7·6)	25 (5·3)	37 (7·9)	98 (6·9)
Reason not given	0 (0)	3 (0·6)	2 (0·4)	5 (0·4)

^*Based on count of returned medication and self-report among participants who returned for a follow-up UBT.

^**Multiple responses allowed.