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Missed opportunities for childhood vaccinations in office practices and the effect on vaccination status
P G Szilagyi1, L E Rodewald, S G Humiston
1Department of Pediatrics, Strong Memorial Hospital, University of Rochester School of Medicine and Dentistry, NY 14642-8655.
Insights
Childhood under-vaccination is common, with over 20% of children missing vaccinations by 12 months. Missed opportunities (MOs) during routine visits contribute significantly to this problem, even when children are not acutely ill.
Area of Science:
- Pediatrics
- Public Health
- Epidemiology
Background:
- Childhood vaccination is crucial for preventing infectious diseases.
- Under-vaccination rates and the impact of missed opportunities (MOs) require investigation.
Purpose of the Study:
- To determine childhood under-vaccination rates.
- To analyze the frequency and types of MOs for vaccinations.
- To assess the contribution of MOs to under-vaccination in preschool children.
Main Methods:
- Retrospective medical chart review of 1124 children aged 0-2 years.
- Study conducted across seven diverse primary care settings.
- Key metrics included cumulative under-vaccination rates and MO frequency.
Main Results:
- Cumulative under-vaccination by 12 months exceeded 20% in most practices.
- MO rates varied widely, from 0.3 to 1.8 per patient annually.
- Over 25% of MOs occurred during health supervision or follow-up visits; 28% of these occurred in non-acutely ill children.
Conclusions:
- Significant rates of childhood under-vaccination exist, influenced by MOs.
- Missed opportunities during routine care are a key factor, even in healthy children.
- Interventions targeting MOs during non-illness visits are needed to improve vaccination coverage.
Abstract:
To determine the rate of childhood under-vaccination, rate and types of missed opportunities (MOs) for vaccinations, and the contribution of MOs to the undervaccination of preschool-age children, the authors conducted a retrospective medical chart review in seven primary care settings in the Rochester, NY, area: a hospital clinic, a neighborhood health center, a group-model health maintenance organization, an urban group practice, a suburban group practice, a rural health center, and a rural private practice. The random sample included 1124 children having birth dates between March 15, 1988, and September 15, 1989. The main outcome measures were cumulative undervaccination rate, defined as the proportion of patients from each practice who were ever > 60 days past-due for a vaccination by 12, 18, or 24 months of age; undervaccination time, defined as the median number of months during which children were undervaccinated; number of MOs; visit types and conditions associated with the MOs; and the duration of undervaccination time attributable to MOs. The cumulative undervaccination rate by 12 months was at least 20% in each practice except for the suburban practice, where it was 4%. The frequency of MOs varied from a high of 1.8 MO per patient per year at the rural private practice to a low of 0.3 MO per patient per year at the suburban practice. More than one quarter of MOs occurred during either health supervision or follow-up visits in all practices. In 28% of visits during which an MO occurred, patients had no fever or acute illness.(ABSTRACT TRUNCATED AT 250 WORDS)