Effectiveness of individually tailored calendars in promoting childhood immunization in urban public health centers.

OBJECTIVES: We examined the effectiveness of tailored calendars in increasing childhood immunization rates. METHODS: Parents of babies aged birth to 1 year (n = 321) received individually tailored calendars promoting immunization from 2 urban public health centers. For each baby- an age- and sex-matched control was selected from the same center. Immunization status was tracked through age 24 months. RESULTS: A higher proportion of intervention than of control babies were up to date at the end of a 9-month enrollment period (82% vs 65%- P