Types of harm by trial arm
| Type of harm | No baseline testing (nBT) % (n/N) | Baseline testing (BT) % (n/N) | No repeat testing (nRT) % (n/N) | Repeat testing (RT) % (n/N) | Overall % (n/N) |
| Relationships | N/A | 1 (15/1626) | 0.2 (1/468) | 2 (9/581) | 1% (25/2675)* |
| Well-being | N/A | 1 (18/1611) | 2 (8/467) | 2 (11/580) | 1% (37/2658)* |
| Pressured/persuaded to test | 1 (14/1013) | 1 (21/1615) | 2 (8/471) | 2 (11/579) | 1% (54/3678) |
| False positive | 0.8 (3/359) | 0.5 (9/2013) | 1.0 (11/1136) | 1.0 (11/1157) | 0.7% (34/4665) |
*Data not collected for nBT.