Table 3.

Frequencies of self-reported adherence.

Variables N (%)	Control (n=300)	Case (n=158)	p Value£
1. Took at least 1 dose more than 1 hour late in the last month	10(3.33)	14(8.86)	0.4034
2. Missed at least 1 dose in the last month	9(3.00)	16(10.13)	0.0166*
3. Took at least 1 dose more than 1 hour late in the last week	4(1.33)	9(5.70)	0.0144*
4. Missed at least 1 dose in the last week	1(0.33)	11(6.96)	0.0148*
5. Used a cell phone to remember to take medications	273(91.00)	134(84.81)	0.0475*
6. Used TV/radio to remember to take medications	16(5.33)	22(13.92)	0.0022*
7. Used a cell phone to remember to come for a drug collection appointment	0(0.00)	3(1.90)	0.9846
8. Missed at least 1 dose because was away from home	9(3.00)	18(11.39)	0.0005*
9. Missed at least 1 dose because was busy with other things	8(2.67)	21(13.29)	0.0002*
10. Missed at least 1 dose because fell asleep through the dose time	2(0.67)	9(5.70)	0.0098*
11. Missed at least 1 dose because ran out of pills	0(0.00)	4(2.53)	0.9805
12. Missed at least 1 dose because forgot to take pills	4(1.33)	8(5.06)	0.0209*
13. Missed at least 1 dose because wanted to avoid side effects	0(0.00)	3(1.90)	0.9824

^£P values obtained using univariate logistic regression.

^*P values ≤ 0.05.