Scores on the Parent Attitudes About Childhood Vaccines survey offered a highly reliable forecast on the immunization status of children, according to a study in the journal JAMA Pediatrics. Of the 437 parents who answered the survey at baseline, those who scored 50 to 69 on a scale of 0 to 100 had children who were under-immunized for 8.3% more days between birth and 19 months of age, compared with those who scored less than 50.

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