Table 1.

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.