Table 3. Select univariate and multivariable analyses for primary support Person’s knowledge, attitudes and beliefs (KAB) about PrEP.

Primary Support Person’s KAB Outcome of Interest		Predictor	OR (95% CI)	aOR (95% CI)b
Belief that AYAs at-risk for HIV should take PrEP	AYA Insurance	Private	5.1 (1.22, 21.39)	4.4 (1.03, 19.24)
		No Insurance	2.1 (0.10, 47.50)	2.6 (0.10, 67.55)
		Medicaid	Ref	Ref
	Primary Support Person’s Race	African American	0.2 (0.05, 1.09)	0.2 (0.04, 1.23)
		Non-African American	Ref
	Primary Support Person’s Sex	Female	3.5 (1.08, 11.55)	5.5 (1.62, 18.89)
	Primary Support Person’s Sex	Male	Ref	Ref
	Confidence in ability to help AYA make Recommended lifestyle changes	Agree	2.4 (0.49, 12.26)
		Disagree	Ref

^aAYA = adolescent and young adult.

^bAdjusted models- AYA Insurance, Primary Support person’s race and sex.