Résumé :
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[BDSP. Notice produite par INIST-CNRS R0xk9HoD. Diffusion soumise à autorisation]. Objectives. We compared the effectiveness and cost-effectiveness of population-based recall (Pop-recall) versus practice-based recall (PCP-recall) at increasing immunizations among preschool children. Methods. This cluster-randomized trial involved children aged 19 to 35 months needing immunizations in 8 rural and 6 urban Colorado counties. In Pop-recall counties, recall was conducted centrally using the Colorado Immunization Information System (CIIS). In PCP-recall counties, practices were invited to attend webinar training using CIIS and offered financial support for mailings. The percentage of up-to-date (UTD) and vaccine documentation were compared 6 months after recall. A mixed-effects model assessed the association between intervention and whether a child became UTD. Results. Ten of 195 practices (5%) implemented recall in PCP-recall counties. Among children needing immunizations, 18.7% became UTD in Pop-recall versus 12.8% in PCP-recall counties (P<. had documented receipt of or more vaccines in pop-recall versus pcp-recall counties relative risk estimates from multivariable modeling were confidence interval for becoming utd and ci="1.15,1.38)" any vaccine. costs per practice child brought utd. conclusions. population-based recall conducted centrally was effective cost-effective at increasing immunization rates preschool children.>
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