Table 2.

Direct elicitation of preferences for long-acting pre-exposure prophylaxis among male youth in Cape Town, South Africa (N=406).

	N	%
Importance of attribute when selecting an HIV prevention product - "very important"
How well it works to prevent HIV	380	(94)
Where you have to go to get it	356	(88)
How often you have to use it	353	(87)
Removable if you experience side effects	346	(85)
Where on your body its injected or inserted	239	(59)
Can be used without your partner knowing	98	(24)
Most important attribute of six rated (top 3)
How well it works to prevent HIV	234	(58)
Removable if you experience side effects	61	(15)
Where you have to go to get it	51	(13)
Importance of using HIV prevention without partner knowing
Very important	76	(19)
Somewhat important	76	(19)
Not at all important	254	(63)
If product could be used secretly, would tell partner anyway	316	(78)
Importance of using HIV prevention without household knowing
Very important	108	(27)
Somewhat important	88	(22)
Not important	210	(52)
Cost willing to pay for a long-acting product (South African Rand) – mean, median (IQR)	202, 115	(50-200)
Not willing to pay	23	(6)
Implant characteristics
Most preferred location for implant insertion (top 3)
Inner upper arm	196	(48)
Outer upper arm	94	(23)
Inner thigh	39	(10)
Least preferred location for implant insertion (top 3)
Buttocks (“bum”)	206	(51)
Inner thigh	60	(15)
Lower back	36	(9)
Biodegradability preference
Dissolves over time	285	(70)
Does not dissolve and would need to be removed	90	(22)
No preference	9	(2)
Neither - would not use an implant	22	(5)
Injection characteristics
Most preferred location for injection (top 3)
Outer upper arm	152	(37)
Buttocks (“bum”)	122	(30)
Inner upper arm	63	(16)
Least preferred location for injection (top 3)
Buttocks (“bum”)	175	(43)
Inner thigh	52	(13)
Inner upper arm	28	(7)