Preferences for pre-exposure prophylaxis among U.S. military men who have sex with men: results of an adaptive choice based conjoint analysis study

Table 4 Part-worth utilities (zero-centered values)^a of PrEP program attributes and level choices, stratified by PrEP experience

Attributes and levels	Total sample (n = 429)	PrEP-experienced (n = 357)	No PrEP experience (n = 72)
Dosing method
Daily tablet	21.75	18.85	36.13
PrEP injection	15.58	7.81	54.14
PrEP implant	14.05	8.44	41.82
On-demand regimen	8.99	13.93	−15.51
PrEP rectal douche	−60.37	−49.03	− 116.59
Provider type
Military	5.55	6.20	2.33
Civilian	−5.55	−6.20	−2.33
PrEP visit location
Smartphone	7.69	7.72	7.53
On-base	2.45	3.10	−0.81
Off-base	−10.13	−10.82	−6.73
Lab evaluation location
Provide labs on-base	12.65	12.16	15.09
Provide labs off-base	−9.68	−9.09	−12.60
Home-based mail-in kit	−2.97	−3.07	− 2.49
PrEP dispensing venue
Receive PrEP on-base	12.66	13.15	10.23
Receive PrEP off-base	−8.42	−8.89	−6.11
Receive PrEP by mail	−4.23	−4.26	−4.11
None ^b	−54.7	−53.70	−59.63

^aZero-centered part-worth utility scores imply the positive or negative magnitude of the participant’s preference for the level choice in relation to the other level options within the same attribute
^bThe “None” parameter represents the positive or negative magnitude in which a respondent is likely to select “None” (not willing to take PrEP in any scenario despite program configuration)
PrEP pre-exposure prophylaxis

ISSN: 2054-9369