Effectiveness and cost of immunization recall at school-based health centers.

BACKGROUND AND OBJECTIVE: Effectiveness of recall for immunizations has not been examined in the setting of school-based health centers (SBHCs). We assessed (1) immunization rates achieved with recall among sixth-grade girls (demonstration study)/ (2) effectiveness of recall among sixth-grade boys (randomized controlled trial RCT)/ and (3) cost of conducting recall in SBHCs. METHODS: During October 2008 through March 2009- in 4 Denver public SBHCs- we conducted (1) a demonstration study among 265 girls needing