Characteristics of participants (n=326)
| Patient characteristics | Value | Missing data |
| Age (years)—mean (SD) | 45 (9.4) | – |
| Female sex—n (%) | 230 (70.5) | – |
| Relationship status—n (%) | 1 (0.3) | |
| Single | 110 (33.7) | |
| Married | 169 (51.8) | |
| Widow, divorced, separated | 46 (14.1) | |
| Educational level—n (%) | – | |
| Non-formal | 61 (18.7) | |
| Primary | 88 (27.0) | |
| Secondary | 127 (38.9) | |
| Higher than secondary | 50 (15.3) | |
| Unemployed—n (%) | 41 (12.6) | – |
| Monthly income (US$) | 3 (0.9) | |
| <99 | 157 (48.1) | |
| 99–166 | 85 (26.1) | |
| 167–498 | 63 (19.3) | |
| >498 | 18 (5.5) | |
| Last CD4 count—mean (SD) | 565 (260) | 1 (0.3) |
| Viral load >100 cp/mL—n (%) | 43 (13.2) | – |
| ART duration (years)—mean (SD) | 7.4 (3.6) | – |
| Total number of pills per day—mean (SD) | 5.6 (3.9) | – |
| Treatment Burden Questionnaire score—mean (SD) | 33.3 (19.6) | – |
| Comorbidities*—n (%) | 120 (36.8) | – |
| High blood pressure | 20 (6.1) | |
| Cardiac or vascular condition | 8 (2.4) | |
| Chronic pulmonary condition (besides asthma) | 12 (3.7) | |
| Asthma | 17 (5.2) | |
| Ulcer disease or gastro-oesophageal reflux disease | 48 (14.7) | |
| Chronic liver condition (including infectious hepatitis) | 9 (2.8) | |
| Diabetes | 8 (2.4) | |
| Arthritis or osteoporosis | 6 (1.8) | |
| Chronic neurologic condition | 3 (0.9) | |
| Psychiatric condition | 2 (0.6) | – |
*Total exceeds 100% because a patient may have multiple comorbidities.
ART, antiretroviral therapy.