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Parental reports of childhood immunisations significantly exceed general practitioner claims. This suggests current monitoring methods may overestimate full immunisation rates, highlighting a need for improved data systems.
Area of Science:
- Child Health
- Public Health
- Immunisation Monitoring
Background:
- Accurate tracking of childhood immunisation coverage is crucial for public health.
- Discrepancies between parental recall and official records can impact disease prevention strategies.
Purpose of the Study:
- To compare parental reports of immunisation status with general practitioner (GP) claims for immunisation benefits in Whangarei four-year-olds.
- To assess the agreement between parental recall and GP claims across different childhood immunisation milestones.
Main Methods:
- A study involving 135 parents of four-year-olds in Whangarei.
- Comparison of parental questionnaire responses regarding immunisation status with GP claims for immunisation benefits.
- Analysis of agreement rates for individual immunisation doses at 3, 5, 12, and 18 months.
Main Results:
- 91.1% of parents reported their child received all four early childhood immunisations.
- GP claims for all four immunisations were recorded in only 34.9% of cases.
- Agreement between parental reports and GP claims varied by immunisation age, ranging from 79.7% (3-month) to 66.4% (18-month).
Conclusions:
- A significant gap exists between parental perception and documented immunisation claims.
- Findings suggest children often miss individual immunisations rather than failing to receive most, potentially leading to overestimation of full immunisation coverage.
- Computerisation of immunisation data is recommended to improve monitoring accuracy.
Abstract:
An attempt was made to find the number of confirmed immunisations received by a group of Whangarei four-year-olds. The claims made for the immunisation benefit by each child's general practitioner were compared with questionnaire responses given by the parents of the children. Of 135 parents, 91.1% claimed that their child had received all four early childhood immunisations. Corresponding claims for the immunisation benefit by the child's general practitioner for all four immunisations were found in only 34.9% of cases. There was 79.7% agreement between parental reports and general practitioners' claims for the three-month immunisation. Corresponding figures were 72.3%, 67.2% and 66.4% for the five-, twelve- and eighteen-month immunisations respectively. These findings suggest that many children miss one or two immunisations rather than a few missing most. Present methods of monitoring may therefore tend to over-estimate the level of full immunisation. Computerisation of immunisation data is proposed as an alternative.