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The effect of patient education on pediatric immunization rates
K C Oeffinger1, S P Roaten, M A Hitchcock
1Southwestern Medical School, University of Texas, Waco.
Insights
A brief postpartum educational intervention did not increase pediatric immunization rates by 12 months. This study highlights the need for new strategies to improve childhood vaccination coverage, especially in lower socioeconomic populations.
Area of Science:
- Pediatrics
- Public Health
- Health Education
Background:
- Declining immunization rates in preschool children, particularly in lower socioeconomic groups, correlate with increased outbreaks of vaccine-preventable diseases like pertussis and measles.
- This trend necessitates evaluating interventions to improve pediatric immunization coverage.
Purpose of the Study:
- To assess the impact of a concise patient education intervention for new mothers on pediatric immunization rates.
- To determine if a brief postpartum educational discussion and handout influence infant vaccination schedules.
Main Methods:
- A randomized controlled trial involving 238 mother-infant dyads, divided into intervention and control groups.
- The intervention group received a 10-15 minute education session and handout on immunizations postpartum, with a reminder letter at 2 months.
- Infants were monitored for 2, 4, and 12-month diphtheria, pertussis, and tetanus (DPT) and oral polio vaccine (OPV) immunizations.
Main Results:
- No statistically significant difference in immunization rates was observed between the control and intervention groups at 2, 4, or 12 months.
- At 12 months, 24% of the control group and 28% of the intervention group completed the first three DPT/OPV immunizations.
Conclusions:
- A postpartum educational intervention for mothers did not significantly improve infant immunization rates by 12 months of age.
- Low immunization rates persist among infants of lower socioeconomic status parents (26%).
- Novel approaches are required to enhance childhood vaccination uptake.
Background:
Over the last decade, the immunization rate among preschool children has decreased, especially in the lower socioeconomic population. During this period, reports of outbreaks of immunizable diseases, especially pertussis and measles, have correspondingly increased. This study was designed to evaluate the effect of a brief patient education encounter with new mothers on pediatric immunization rates.
Methods:
Two hundred thirty-eight mothers and infants were assigned to an intervention or control group. On the first day postpartum, the mothers in the intervention group participated in a 10- to 15-minute discussion on the importance of immunizations and were given a patient education handout. A reminder letter was mailed to the intervention group at 2 months postpartum. The control group received no special intervention. Infants were followed for their 2- and 4-month immunizations for diphtheria, pertussis, and tetanus and oral polio vaccine (DPT/OPV). At 1 year of age, the infants' immunization records were assessed for the completion of their first three DPT/OPV immunizations.
Results:
There was no statistically significant difference, by chi-square analysis, in the immunization rates of the control and intervention groups at 2, 4, or 12 months of age. At 1 year of age, 29 of 122 (24%) of the control group had received all three DPT/OPV immunizations, compared with 33 (28%) of 116 infants in the intervention group.
Conclusions:
Concordant with similar studies, the immunization rate among infants of parents of lower socioeconomic status (26%) is low. An educational intervention presented to mothers in the postpartum period did not improve the rate of immunization by the age of 12 months. There are undoubtedly several reasons for this failure. Other means to improve immunization rates of infants should be developed and tested.