| Methods | Study Design: RCT Study Duration: approximately 3‐5 months Follow‐up: C Outcome Assessment Blinding: B Reliable Outcome Measure: C Contamination: C (patients randomized) | |
| Participants | Inclusion: school children located where child health screening occurred in 1991 Age: 5‐6 years, in kindergarten Setting: 28 primary schools in Eastern Sydney (Australia) n=239 children | |
| Interventions | Intervention: Telephone call, letter & brochure to parents Control: letter & brochure to parents | |
| Outcomes | #/% immunized for measles, mumps & DTP; 34% point increase | |
| Notes | 25.8% of intervention & 34.4% of control subjects lost to follow‐up. Control group also included patient reminder; Outcomes obtained verbally from parents | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment? | Unclear risk | B ‐ Unclear |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.