Inequalities in childhood vaccination timing and completion in London.

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ID: 24008
2018
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Abstract
The UK primary vaccination course includes vaccination against diphtheria, tetanus, pertussis, polio and Haemophilus influenzae type b (DTaP/IPV/Hib) and is scheduled at ages four, 8 and 12 weeks, followed by a 'preschool booster' at age three years four months. Vaccine coverage is generally measured at age one, two and five years. In addition to high coverage, vaccination should be timely to maximise population protection. Vaccination histories for 315,381 children born March 2001 to April 2010 were extracted from Child Health Information Systems in nine London health service areas and grouped into first and fifth birthday cohorts. We assessed timeliness of receipt of DTaP/IPV/Hib and drop-out rates by ethnicity, deprivation and area. Most children received their first, second and third doses on time at two, three, and four months. Among children completing by one year and after adjusting for deprivation and health area, compared with White-British children, Somali and Bangladeshi children were less likely to have received three doses of DTaP/IPV/Hib by six months of age (-11% and -5% respectively). Differences in timeliness by deprivation and health area existed, but were smaller. Compared with White-British children, children of Polish, Somali and Caribbean ethnicities were less likely to return for preschool booster, with a drop-out rate at least 7% higher in these groups. Within the fifth birthday cohort, only 2.3% of children who were completely unvaccinated (575/25,095) at age one year were fully vaccinated by age five. Higher proportions of partially vaccinated (one or two doses) children at age one year went on to be fully vaccinated by age five ((836/3213) 26.0% and (3565/6076) 58.7% respectively). These inequalities suggest that tailored approaches may be required to target specific groups with regards to improving vaccine uptake.
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tiley2018inequalitiesvaccine Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Tiley, Karen S;White, Joanne M;Andrews, Nick;Ramsay, Mary;Edelstein, Michael;
Journal Vaccine
Year 2018
DOI
S0264-410X(18)31292-1
URL
Keywords Keywords not found

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