Feasibility of a randomized controlled trial to evaluate Text Reminders for Immunization Compliance in Kids (TRICKs).

OBJECTIVE: To pilot test the Text Reminders for Immunization Compliance in Kids (TRICKs) program to evaluate its feasibility and potential to increase immunization coverage. DESIGN: Randomized controlled trial (RCT). SETTING: Pediatric clinic. PARTICIPANTS: Parents of newborns being discharged from a local hospital who intended to seek child health care at the University-sponsored pediatric resident and faculty clinic. INTERVENTION: Text message immunization reminders prior to immunization due dates. MAIN OUTCOME MEASURES: Receipt and timeliness of immunizations at 2- 4 and 6 months of age. RESULTS: Participants (N=90) were English (83%) or Spanish (17%) speaking. The majority were female (83%)- on public insurance (59%)- and had adequate health literacy (96%). Parents were married or a member of an unmarried couple (62%). Over 66% had a high school diploma or less. Greater numbers of intervention children received immunizations and were on time" using per protocol analysis/ though not statistically significa