Table 1.

Key informant demographics and responses to polls (N = 60)

Age	N	Percent	Gender Identity	N	Percent
14	5	8.3%	Cisgender Male	22	38%
15	20	33.3%	Cisgender Female	33	55%
16	15	25.0%	Transgender	5	8%
17	20	33.3%
			Sexual orientation
Race/Ethnicity			Gay	19	32%
White	41	68.3%	Lesbian	6	10%
Black/African American	5	8.3%	Bisexual	35	58%
Asian	2	3.3%	Sex without condom
American Indian/Alaska Native	1	1.7%	Anal sex	17	28%
More than one race	6	10.0%	Penile-vaginal sex	18	30%
Other	4	6.7%
Did not answer	1	1.7%	Perceived risk for HIV	24	40%
Hispanic/ Latino	13	21.7%	HIV/STI test past year	16	27%
Parent education ≥ 1 yr college	37	62%	Number of male sexual partners	Mean (SD)	Range
Number of male sexual partners M (SD) Range	Cisgender Males		Cisgender Females	Transgender youth
	M = 4.81 SD = 8.51 Range 1 – 40		M = 4.76 SD = 5.94 Range 0 – 30	M = 3.20 SD = 2.28 Range 1 – 7
Willingness to participate if guardian permission required	Out to at least 1 parent		Not out to parents	Total
No	5 (18%)		21 (68%)	26 (44%)
Maybe	13 (46%)		7 (23%)	20 (34%)
Yes	10 (36%)		3 (10%)	13 (22%)
Total	28		31	59
Assignment to messaging or control group	Random Assignment		“Based on a random procedure” or “like a coin toss”)	36 (88%)
	Preventive Misconception		“they will place me in the group that is best for me” or “let me choose the group”	5 (12%)

^*X²₍₂₎ = 15.30, p < .01