Table 1.
Demographic and clinical characteristics of participants at enrolment, stratified by retention at study visits
| Variable | Total sample – n (%) | Completed study visit > 270 days postpartum – n (%) | Lost to study ≤270 days postpartum – n (%) | p-value |
|---|---|---|---|---|
| Number of women | 129 | 110 | 19 | |
| ART service choice | ||||
| Adherence club | 84 (65) | 77 (70) | 7 (37) | |
| Primary care clinic | 45 (35) | 33 (30) | 12 (63) | 0.005 |
| Median [IQR] age | 28.9 [24.5, 32.1] | 28.8 [24.3, 32.3] | 28.9 [25.6, 31.2] | 0.984 |
| First pregnancy | 26 (20) | 24 (22) | 2 (11) | 0.360 |
| Completed secondary/any tertiary education | 60 (47) | 53 (48) | 7 (37) | 0.360 |
| Currently employed | 45 (35) | 40 (36) | 5 (26) | 0.396 |
| Married/cohabiting | 48 (37) | 41 (37) | 7 (37) | 0.971 |
| Newly diagnosed HIV+ in this pregnancy | 76 (59) | 67 (61) | 9 (47) | 0.268 |
| Pregnancy intention | ||||
| Unintended | 88 (68) | 74 (67) | 14 (74) | 0.790 |
| Intended | 41 (32) | 36 (33) | 5 (26) | |
| Median [IQR] CD4 cell count | ||||
| ≤ 350 cells/μL | 56 (43) | 48 (44) | 8 (42) | |
| > 350 cells/μL | 73 (57) | 62 (56) | 11 (58) | 0.901 |
| HIV viral load | ||||
| < 50 copies/mL | 114 (93) | 99 (94) | 15 (83) | |
| ≥ 50 copies/mL | 9 (7) | 6 (6) | 3 (17) | 0.126 |
| Median [IQR] time on ART (weeks) | 23.3 [18.1, 26.9] | 23.7 [18.4, 27.0] | 21.0 [15.6, 26.7] | 0.266 |
| Median [IQR] days postpartum | 10 [5, 19] | 10 [6, 19] | 8 [5, 15] | 0.180 |
| Place of delivery | ||||
| Primary care | 50 (39) | 41 (37) | 9 (47) | |
| Hospital care | 79 (61) | 69 (63) | 10 (53) | 0.404 |
| Reported missed ART dose(s) during previous 30 days | 19 (15) | 18 (16) | 1 (5) | 0.304 |
| Exclusively breastfed infant up to enrolment | 106 (82) | 88 (80) | 18 (95) | 0.193 |