Table 3.

Risk factors for viremia

Patients' Characteristics			Basic adjusted model		Final model
	VL>400 RNA copies/ml	VL<400 RNA copies/ml	Adj. OR (95% CI)*	P value	OR (95% CI)	P Value
NNRTI based regimen
Gender
Men	30 (12.7%)	207 (87.3%)	1
Women	72 (11.2%)	573 (88.8%)	0.9 (0.6-1.5)	0.75
Missed any pills during last week-end
No	92 (90.2%)	740 (95.8)	1		1
Yes	10 (9.8%)	32 (4.2%)	2.5 (1.2-5.4)	0.02	2.7 (1.3-5.6)	0.01
On a child support grant
No	68 (10.4%)	584 (89.6%)	1
Yes	33 (14.9%)	189 (85.1%)	1.6 (0.9-2.6)	0.08
On a disability grant
No	58 (10.9%)	473 (89.1%)	1
Yes	43 (12.5%)	300 (87.5%)	1.2 (0.8-1.9)	0.40
Type of clinic
NGO	43 (10%)	388 (90%)	1
Public	59 (13.1%)	392 (86.9%)	1.4 (0.9-2.2)	0.12
Currently on TB treatment
No	96 (11.2%)	772 (88.9%)	1		1
Yes	6 (42.9%)	8 (57.1%)	7.0 (2.3-20.9)	<0.01	6.4 (2.2-18.8)	<0.01
Have refrigerator in the household
Yes	85 (11.2%)	675 (88.8%)
No	17 (14%)	104 (86%)	1.1 (0.6-2.1)	0.71
Time on ART
12-23 months	22 (14.3%)	132 (85.7%)	1
24-36 months	24 (13.3%)	157 (86.7%)	1.0 (0.5-1.8)	0.93
≥ 37 months	56 (10.2%)	491 (89.8%)	0.8 (0.4-1.4)	0.46
PI based regimen
Gender
Men	10 (58.8%)	7 (41.2%)	1
Women	27 (27.5%)	71 (72.5%)	0.5 (0.2-1.6)	0.24
Missed any pills during last week-end
No	34 (92%)	74 (94.9%)	1
Yes	3 (8.1%)	4 (5.1%)	2.8 (0.4-19.6)	0.29
On a child support grant
No	30 (39.5%)	46 (60.5%)	1
Yes	7 (18.4%)	31 (81.6%)	0.5 (0.2-1.5)	0.23
On a disability grant
No	30 (39.5%)	46 (60.5%)	1
Yes	7 (18.4%)	31 (81.6%)	0.9 (0.4-2.3)	0.89
Type of clinic
NGO	12 (17.4%)	57 (82.6%)	1		1
Public	25 (54.3%)	21 (45.7%)	5.8 (2.1-16.1)	<0.01	4.6 (1.8-11.3)	<0.01
Currently on TB treatment
No	33 (29.7%)	78 (70.3%)	1
Yes	4 (100%)	0	NA	0.01
Have refrigerator at the household
Yes	30 (28.3%)	76 (71.7%)			1
No	7 (77.8%)	2 (22.2%)	4.2 (0.7-26.8)	0.10	6.7 (1.2-37.5)	0.03
Time on ART
12-23 months	0	0
24-36 months	11 (42.3%)	15 (57.7%)	1
≥ 37 months	26 (29.2%)	63 (70.8%)	0.7 (0.3-2.1)	0.56

^*Adjusted for gender, education, clinic type, age and adherence during the week-end prior to the study interview