Table 2. Characteristics of antiretroviral therapy and medical and pharmaceutical care, in relation to nonadherence to antiretroviral therapy .

Variables	Nonadherence		Adherence		χ2*	P-value
	n = 72	%	n = 181	%
Antiretroviral (ARV) schemes
2 NRTI + NNRTI	29	40.3	100	55.0	4.61	0.03
Others	43	59.7	81	45.0
Reason for stopping taking ARVs
Lack of medication	23	31.9	49	37.6	3.57	0.05
No reason/depression/forgetfulness	49	68.1	81	62.4
Difficulty in obtaining medicines
Yes	21	29.2	34	18.8	3.26	0.07
No	51	70.8	147	81.2
Difficulty to getting a consultation with a doctor
Yes	21	29.2	31	17.1	4.57	0.03
No	51	70.8	150	82.9
Chronic illness
Yes	13	18.3	51	28.2	2.62	0.10
No	58	81.7	130	71.8
Do you use other medicines constantly?
Yes	13	18.1	50	27.8	2.59	0.10
No	59	81.9	130	72.2
Do you talk to your doctor about your medicines?
Yes	30	41.7	93	51.4	1.95	0.16
No	42	58.3	88	48.6
Does your doctor talk to you about your medications?
Yes	45	62.5	137	75.7	4.44	0.03
No	27	37.5	44	24.3
Do you think you should be more involved in decisions about your treatment?
Yes	51	70.8	110	61.1	2.11	0.14
No	21	29.2	70	38.9

*χ² = chi-square test.

NNRTIs = non-nucleoside reverse transcriptase inhibitors; NRTIs = nucleoside reverse transcriptase inhibitors.