Table 1.

Eligibility based on pre-screening questionnaire by recruitment strategy

Recruitment Strategy		Total Screened	Eligible NYC	Eligible PR	Total Eligible	% Eligible
Social-Media		444	88	29	117	26.35
Adam4Adam		149	19	15	34	22.82
Craigslist		83	25	0	25	30.12
Jack'd		51	15	0	15	29.41
Grindr		49	3	13	16	32.65
Growlr		45	13	0	13	28.89
Hornet		25	4	0	4	16
Other app (unspecified, Twitter)		14	2	0	2	14.29
Bareback RT		11	3	0	3	27.27
Facebook		7	0	1	1	14.29
Scruff		6	2	0	2	33.33
Other (searches, don’t remember)		4	2	0	2	50
In-person one-time-event		193	12	25	37	18.69
Pride events		116	6	11	17	14.66
Bars and Clubs		51	1	13	14	27.45
Community centers/organization		18	4	0	4	22.22
University presentation		9	0	1	1	11.11
Other unspecified		4	1	0	1	25
Referral		129	31	32	63	48.84
Friend/Family/Partner		46	8	21	29	63.04
Other study		46	10	6	16	34.78
Other participant		14	6	1	7	50
Other unspecified		12	7	0	7	58.33
Community centers/organization		11	0	4	4	36.36
Community Info table (consistent presence)		103	34	3	37	35.92
Printed material/radio		19	4	5	9	47.37
Palm card		12	2	2	4	33.33
Newspaper ad/press release		7	2	3	5	71.43