Adherence to antiretroviral therapy among HIV infected children measured by caretaker report, medication return, and drug level in Dar Es Salaam, Tanzania

Table 1 Level of adherence to ARV among HIV children

Variable	Frequency (N)	Proportion	95% CI*
1. Medication return
≤5%	291	0.97
>5%	9	0.03	0.02-0.06
2. Caretaker self report
Never missed	295	0.98
Missed	5	0.02	0.01-0.03
3. Nevirapine conc
≥3 μg/ml	254	0.85
<3 μg/ml	46	0.15	0.12-0.20

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