Table 4:
Univariable Cox regression models of baseline characteristics associated with transitioning to dolutegravir-based first line ART, N = 180,956
| Variable | Levels | Total, n (column %) | Transition to dolutegravir events | Time, person-years | Rate per 100 person-years (95% CI) | HR |
|---|---|---|---|---|---|---|
| Gender | Male | 56788 (31·4) | 41967 | 52094 | 805·6 (797·9–813·3) | 1 |
| Female | 124168 (68·6) | 79207 | 153937 | 514·5 (511·0–518·1) | 0·56 (0·56–0·57) | |
| Baseline age (cat.), | 55+ | 14010 (7·7) | 10075 | 14302 | 704·4 (690·7–718·3) | 1 |
| years | 45–54 | 34223 (18·9) | 25720 | 35322 | 728·2 (719·3–737·1) | 1·04 (1·01–1·06) |
| 35–44 | 67118 (37·1) | 46514 | 77154 | 602·9 (597·4–608·4) | 0·82 (0·80–0·84) | |
| 25–34 | 55944 (30·9) | 33822 | 67823 | 498·7 (493·4–504·0) | 0·66 (0·64–0·67) | |
| 15–24 | 9661 (5·3) | 5043 | 11431 | 441·2 (429·1–453·5) | 0·56 (0·54–0·58) | |
| Baseline time on ART, years | Median (IQR) | 3·9 (2·0 to 6·4) | - | - | - | 1·01 (1·01–1·01) |
| Baseline most recent | >=500 | 70180 (38·8) | 47141 | 83106 | 567·2 (562·1–572·4) | 1 |
| CD4 count (cat.), | 350–499 | 39875 (22·0) | 27399 | 45353 | 604·1 (597·0–611·3) | 1·10 (1·08–1·11) |
| cells/µL | 200–349 | 34093 (18·8) | 23200 | 37544 | 617·9 (610·0–625·9) | 1·14 (1·12–1·15) |
| <200 | 21477 (11·9) | 14139 | 22859 | 618·5 (608·4–628·8) | 1·17 (1·14–1·19) | |
| Missing | 15331 (8·5) | 9295 | 17170 | 541·3 (530·4–552·5) | 0·98 (0·96–1.00) | |
| TB during follow-up | No | 178426 (98·6) | 121008 | 205179 | 589·8 (586·4–593·1) | 1 |
| Yes | 2530 (1·4) | 166 | 853 | 194·7 (166·2–226·7) | 0·41 (0·35–0·48) | |
| Pregnancy during | No | 116628 (64·5) | 120826 | 204581 | 590·6 (587·3–593·9) | 1 |
| follow-up | Yes | 7540 (4·2) | 348 | 1450 | 239·9 (215·4–266·5) | 0·40 (0·36–0·44) |
| In CCMDD during | No | 85523 (47·3) | 79942 | 122844 | 650·8 (646·3–655·3) | 1 |
| follow-up? | Yes | 95433 (52·7) | 41232 | 83187 | 495·7 (490·9–500·5) | 0·68 (0·67–0·69) |
CCMDD; the Centralised Chronic Medication Dispensing & Distribution programme (a differentiated ART delivery programme)