Table 1.
Characteristics of matched levonorgestrel implant users and non-hormonal controls
| Characteristics | Implant user N=48 | Non-hormonal control* N=33 |
|---|---|---|
| Mean age (s.d.) | 32.0 (5.3) | 33.6 (5.4) |
| Mean baseline CD4 (s.d.) | 420 (121) | 417 (140) |
| Education (%) | ||
| Less than primary | 16.7 | 15.2 |
| Completed primary | 33.3 | 30.3 |
| Completed secondary or higher | 50.0 | 54.5 |
| Marital status (%) | ||
| Single | 41.7 | 36.4 |
| Married | 58.3 | 63.6 |
| Number of children (%) | ||
| 0–1 | 33.3 | 42.4 |
| 2 | 37.5 | 48.5 |
| 3+ | 29.2 | 9.1 |
| Years on ART (s.d.) | 2.84 (0.99) | 2.97 (1.04) |
| Censoring events within 12 months (%) | ||
| Implant removal | 12.5 | – |
| Change in ART | 31.3 | 15.2 |
| Adoption of hormonal contraception | – | 3.0 |
| Number of usable** CD4 measures (%) | ||
| baseline only | 22.9 | 0.0 |
| 1 | 16.7 | 15.2 |
| 2 | 47.9 | 60.6 |
| 3 | 6.3 | 15.2 |
| 4 | 6.3 | 9.1 |
| Usable** CD4 counts (%), 12 months or later | 47.1 | 72.7 |
*
32 were using condoms and 1 participant was not using contraception.
**
Excludes CD4 measures taken after switching ART, implant removal or use of hormonal contraception among controls.