“…Six studies included patients younger than 50 years (15,17,18,22,25,27). For behavioral interventions, 3 interventions used mailed letters (13,16,28), 3 used informational brochures (24,29), 11 studied patient navigation (17)(18)(19)(20)(21)23,25,(30)(31)(32), 1 examined preprocedural telephone consultations ( 14), 1 studied PCP counseling (33), 2 used videos (22,26), 1 changed EHR settings (10), 1 used an email intervention (34), and 1 used a financial incentive (35). Six interventions studied the effects of multiple concurrent interventions (15,27,28,34,36).…”