Table 1.

Emergency department and high school recruitment metrics

Recruitment location	Member of dyad approached first	Adult inclusion criteria	Youth inclusion criteria	Time spent actively recruiting for study*	Weeks spent recruiting^	Number of dyads enrolled	Number of dyads completing intervention
Emergency department	Adult	(1) Has history of hypertension (HTN) (2) Has an existing relationship (e.g., family member) with a youth (15–18-year-old) who lives in the same home # (3) Speaks English or Spanish	15–18-year-old who lives in the same home as adult #	350.5 hours	17 weeks	2 dyads	0 dyads
High school	Youth	(1) Preferably has HTN (but not required), (2) Has an existing relationship with youth (3) Speaks same language as youth (English or Spanish)	Student at the school	15 minutes	7 weeks	19 dyads	15 dyads

^*This metric includes active recruitment of the first member of the dyad. We did not measure the active recruitment of the second member of the dyad or the time contacting participants about consent.

^{^}This metric includes active recruitment and enrollment, including obtainment of participant consent.

^#Changed to: 14-24-year-old (not required to live with adult).