Table 2.
Summary of adherence measures
| Author | Adherence measure | Adherence cut off |
|---|---|---|
| Diabate et al. [67] | Self report with ACTGa | ≥ 95% |
| Carlucci et al. [68] | Pill count | ≥ 95% |
| Fielding et al. [69] | Self report | 100% reported adherence in last 3 days |
| Birbeck et al. [70] | Attendance at clinic and self report | Attended all scheduled ART clinic visits with no lapse in drug collection and documentation |
| Pirkle et al. [71] | Self-report | N/A |
| Stubbs et al. [72] | Pill count | ≥ 90% |
| Jaquet et al. [73] | Self report with ACTGa | ≥ 95% |
| Lester et al. [74] | Self report—asked how many pills missed in 30 days | ≥ 95% |
| Watt et al. [75] | Self report with ACTGa | ≥ 95% |
| Chung et al. [76] | Pill count | ≥ 95% |
| Kunutsor et al. [77] | Pill count | ≥ 95% |
| Messou et al. [78] | Pill count | ≥ 95% |
| Ncaca et al. [79] | Medication possession ratio | ≥ 95% |
| Mbuagbaw et al. [80] | Self report using visual analogue scale | ≥ 95% |
| Annison et al. [81] | Self report | Patients without treatment interruptions |
| Kiwuwa-Muyingo et al. [82] | Pill count and structured questionnaire | Good adherence defined as “did not miss a dose in last month” |
| Negash et al. [83] | Self report of medication doses taken divided by medication doses prescribed | ≥ 95% |
| Jones et al. [84] | Self report using ACTGa | Adherence over last two weeks |
| Vinikoor et al. [39] | Medication Possession ratio | ≥ 95% |
| Muya et al. [38] | Compliance with pick-up visits | ≥ 95% |
aAIDS Clinical Trial Group Adherence Questionnaire [34]