Table 3.
Interpretation of self-test results in the hands of lay users compared to health care worker
| Directly assisted HIV self-testing | Unassisted HIV self-testing | |||||||
|---|---|---|---|---|---|---|---|---|
| Health care worker results | Health care worker results | |||||||
| Positive (n = 12) | Negative (n = 233) | Invalid (n = 18) |
Positive (n = 6) | Negative (n = 216) | Invalid (n = 15) |
|||
| Participant results | Positive (n = 12) |
9 (75.0%) |
3 (1.3%) |
0 (0%) |
Positive (n = 20) |
5 (83.3%) |
15 (6.9%) |
0 (0%) |
| Negative (n = 232) |
3 (25.0%) |
224 (96.1%) |
5 (27.8%) |
Negative (n = 195) |
0 (0%) |
190 (88.0%) |
5 (33.3%) |
|
|
Invalid (n = 19) |
0 (0%) |
6 (2.6%) |
13 (72.2%) |
Invalid (n = 22) |
1 (16.7%) |
11 (5.1%) |
10 (66.7%) |
|
| Estimate (% [95% CI]) | Estimate (% [95% CI]) | |||||||
| Agreement | 93.5% [90.5 to 96.5] | 84.4% [80.0 to 88.8] | ||||||
| Cohen’s κ coefficient | 0.69 [0.63 to 0.75] | 0.44 (0.38 to 0.50) | ||||||