Infant immunization and family size
Infant immunization and family size
Background To investigate whether a delay in infant immunization is associated with the number of older siblings.
Methods A cohort analysis of cumulative immunization uptake in 616 children aged 1–4 years recruited for a case–control study of atopic dermatitis in Norwich, UK was performed. The main outcome measures were the age of third pertussis and MMR immunizations. Delayed immunization was defined as a pertussis immunization age 6 months or greater, and MMR immunization aged 16 months or greater.
Results Having a larger number of older siblings was associated with a delay in pertussis immunization (6.2 per cent for children with no older siblings versus 23.3 per cent for children with two or more older siblings), but not in MMR immunization.
Conclusion Infants with older siblings are at greater risk of pertussis infection from intrafamilial contagion yet are less likely to be immunized on time.
immunization coverage, birth order, family size, siblings, pertussis
369-371
Reading, R.
60d7b4f1-7e5f-4c2a-97f2-1d897e876d6b
Surridge, H.
a1fa7bbf-df5f-455d-b283-f0e3878cfe08
Adamson, R.
5c93135a-0a07-48c1-b240-4c00e0f5cf39
2004
Reading, R.
60d7b4f1-7e5f-4c2a-97f2-1d897e876d6b
Surridge, H.
a1fa7bbf-df5f-455d-b283-f0e3878cfe08
Adamson, R.
5c93135a-0a07-48c1-b240-4c00e0f5cf39
Reading, R., Surridge, H. and Adamson, R.
(2004)
Infant immunization and family size.
Journal of Public Health, 26 (4), .
(doi:10.1093/pubmed/fdh173).
Abstract
Background To investigate whether a delay in infant immunization is associated with the number of older siblings.
Methods A cohort analysis of cumulative immunization uptake in 616 children aged 1–4 years recruited for a case–control study of atopic dermatitis in Norwich, UK was performed. The main outcome measures were the age of third pertussis and MMR immunizations. Delayed immunization was defined as a pertussis immunization age 6 months or greater, and MMR immunization aged 16 months or greater.
Results Having a larger number of older siblings was associated with a delay in pertussis immunization (6.2 per cent for children with no older siblings versus 23.3 per cent for children with two or more older siblings), but not in MMR immunization.
Conclusion Infants with older siblings are at greater risk of pertussis infection from intrafamilial contagion yet are less likely to be immunized on time.
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Published date: 2004
Keywords:
immunization coverage, birth order, family size, siblings, pertussis
Identifiers
Local EPrints ID: 17356
URI: http://eprints.soton.ac.uk/id/eprint/17356
PURE UUID: 42f882d7-b08e-4673-b94c-2b9a178adb92
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Date deposited: 13 Dec 2005
Last modified: 15 Mar 2024 05:58
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Author:
R. Reading
Author:
H. Surridge
Author:
R. Adamson
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