biostudies-literatureBerset AENCATS NIH HHS914-921https://www.ebi.ac.uk/biostudies/studies/S-EPMC11111590biostudies-literatureUnknown24(6)<h4>Objective</h4>To determine the effectiveness of text/telephone outreach messages and personal contact attempts on well-child care (WCC) scheduling and completion and measles, mumps, and rubella (MMR) vaccine receipt.<h4>Methods</h4>We conducted an intent-to-treat, 2 × 2 factorial randomized clinical trial with 3 replications at 3 academic pediatric primary care practices from September 27, 2020 to August 6, 2021. We randomized participants to 1 of 4 groups: 1 automated message (group 1), 2 automated messages (group 2), 1 automated message plus personal contact attempts (group 3), or 2 automated messages plus personal contact attempts (group 4). Outcomes included: 1) scheduled WCC within 2 weeks (secondary outcome), 2) completed WCC within 8 weeks (secondary outcome), 3) receipt of firsAcademic pediatricsEffect of Automated and Personalized Outreach Messages on Well-Child Visit Catch Up: A Randomized Clinical Trial.PMC11111590UL1 TR001425Berset AEBrinkman WBBurkhardt MCXu YMescher AfalseEffect of Automated and Personalized Outreach Messages on Well-Child Visit Catch Up: A Randomized Clinical Trial.<h4>Objective</h4>To determine the effectiveness of text/telephone outreach messages and personal contact attempts on well-child care (WCC) scheduling and completion and measles, mumps, and rubella (MMR) vaccine receipt.<h4>Methods</h4>We conducted an intent-to-treat, 2 × 2 factorial randomized clinical trial with 3 replications at 3 academic pediatric primary care practices from September 27, 2020 to August 6, 2021. We randomized participants to 1 of 4 groups: 1 automated message (group 1), 2 automated messages (group 2), 1 automated message plus personal contact attempts (group 3), or 2 automated messages plus personal contact attempts (group 4). Outcomes included: 1) scheduled WCC within 2 weeks (secondary outcome), 2) completed WCC within 8 weeks (secondary outcome), 3) receipt of firs2024-01-01T00:00:00Z2024 Aug2026-03-17T15:31:50.723Z2025-08-16T03:07:09.023ZS-EPMC111115903800715610.1016/j.acap.2023.11.017