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Assessment of delay in age-appropriate vaccination using survival analysis

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Version 1 2015-02-19, 10:58
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posted on 2024-06-04, 04:16 authored by GH Dayan, KM Shaw, AL Baughman, Liliana OrellanaLiliana Orellana, R Forlenza, A Ellis, J Chaui, S Kaplan, P Strebel
Assessment of delay in age-appropriate vaccination provides more information about timeliness of vaccination than up-to-date vaccination coverage. The authors applied survival analysis methods to data from a vaccination coverage survey among children aged 13–59 months conducted in Argentina in 2002. By age 19 months, 43% of children (95% confidence interval (CI): 40, 46) were vaccinated with the fourth dose of diphtheria, tetanus, and pertussis (DTP4). By age 13 months, 55% of children (95% CI: 52, 57) were vaccinated with measles-containing vaccine. By age 7 months, 33% of children (95% CI: 27, 40) were vaccinated with the third dose of hepatitis B. Compared with firstborn children, third children were more likely to be delayed for DTP4 (relative risk (RR) = 1.41, 95% CI: 1.22, 1.62), measles-containing vaccine (RR = 1.54, 95% CI: 1.32, 1.78), and the third dose of hepatitis B (RR = 1.31, 95% CI: 1.03, 1.67). Children whose caregivers had completed secondary school were less likely to be delayed for DTP4 (RR = 0.68, 95% CI: 0.52, 0.90) compared with those whose caregivers had not completed primary school. Survival analysis methods were helpful in measuring vaccine uptake and should be considered in future surveys when assessing delay in age-appropriate vaccination. Copyright © 2006 by the Johns Hopkins Bloomberg School of Public Health All rights reserved.

History

Journal

American journal of epidemiology

Volume

163

Pagination

561-570

Location

Cary, NC

Open access

  • Yes

ISSN

0002-9262

eISSN

1476-6256

Language

Eng

Publication classification

C Journal article, C1.1 Refereed article in a scholarly journal

Copyright notice

2006, Oxford University Press

Issue

6

Publisher

Oxford University Press

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