Table 2. Testing participation in HIV serosurveys among AGYW and contribution to HIV incidence cohort in uMkhanyakude, South Africa (A) and Gem, Kenya (B).
| Round | HIV survey | HIV incidence cohort | |||
|---|---|---|---|---|---|
| Eligible for HIV survey1 | Contacted and offered HIV test (% of eligible) | Consented2 (% of offered) | Eligible for HIV incidence cohort3 | HIV results available4 | |
| 2010–2012 [10/2010–10/2012] |
11,428 | 6,041 (52.9%) | 6,018 (99.6%) | 5,707 | 3,386 (59.3%) |
| 2013–2014 [06/2013–08/2014] |
10,549 | 2,839 (26.9%) | 2,757 (97.1%) | 5,612 | 2,290 (40.8%) |
| 2016 [05/2016–09/2016] |
8,515 | 1,692 (19.9%) | 1,640 (96.9%) | 4,171 | 2,106 (50.5%) |
| 2017 [01/2017–09/2017] |
9,432 | Unknown* | 1,319 | 4,273 | 1,700 (39.8%) |
| 2018 [01/2018–01/2019] |
10,299 | 3,706 (36.0%) | 3,435 (92.7%) | 5,892 | 2,323 (39.4%) |
| 2019 [01/2019–11/2019] |
9,920 | 3,438 (34.7%) | 2,900 (84.4%) | 5,890 | 41 (0.7%) |
1AGYW aged 15–24 years who were resident in a randomly selected study compound during the serosurvey round.
2Consented to participate (to provide a blood sample for HIV testing or self-reported as HIV+).
3Cumulative number of AGYW who first tested HIV negative when aged <25 and are eligible for entry into the HIV incidence cohort and are still aged <25 years.
4Number of eligible HIV negative AGYW who had a repeat test and contributed person-time to the HIV incidence analysis during each calendar period.
*Those who were NOT offered and those who did NOT consent were not collected during the 2017 survey round.
AGYW, adolescent girls and young women.