Evidence map›Paper›PMID 30573483›Full record

Observational studyBMJ open2018

Influenza-associated hospitalisation, vaccine uptake and socioeconomic deprivation in an English city region: an ecological study.

Daniel Hungerford, Ana Ibarz-Pavon, Paul Cleary, Neil French

Abstract readObservational Study
In one paragraph

Observational study in BMJ open, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

13 citing papers in PubMed.

  1. Article
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  9. Review
  10. COVID-19-What Price Do Children Pay? An Analysis of Economic and Social Policy Factors.International journal of environmental research and public health · 2022
    Review
  11. Article
  12. Article
  13. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Daniel HungerfordThe Centre for Global Vaccine Research, Institute of Infection and Global Health, University of Liverpool, Liverpool, UK.ORCID 0000-0002-9770-0163
Ana Ibarz-PavonThe Centre for Global Vaccine Research, Institute of Infection and Global Health, University of Liverpool, Liverpool, UK.
Paul ClearyField Epidemiology Service, National Infection Service, Public Health England, Liverpool, UK.
Neil FrenchThe Centre for Global Vaccine Research, Institute of Infection and Global Health, University of Liverpool, Liverpool, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesEvery year, influenza poses a significant burden on the National Health Service in England. Influenza vaccination is an effective measure to prevent severe disease, hence, maximising vaccine coverage in the most vulnerable is a priority. We aimed to identify the extent to which socioeconomic status is associated with influenza-associated illness (IAI) and influenza vaccine coverage.

designRetrospective observational study using hospital episode statistics.

settingMerseyside, North-West of England, including the city of Liverpool.

participantsResidents of Merseyside hospitalised with IAI between April 2004 and March 2016, and Merseyside general practice registered patients eligible for influenza vaccination in 2014/2015 and 2015/2016 influenza seasons. EXPOSURES: Socioeconomic deprivation based on lower super output area English Indices of Deprivation scores. PRIMARY AND SECONDARY OUTCOME MEASURES: Incidence and risk of IAI hospitalisation, and vaccine uptake.

resultsThere were 89 058 hospitalisations related to IAI among Merseyside residents (mean yearly rate=4.9 per 1000 population). Hospitalisations for IAI were more frequent in the most socioeconomically deprived areas compared with the least deprived in adults aged 15-39 years (incidence rate ratio (IRR) 2.08;95% CI 1.76 to 2.45; p<0.001), 60-64 years (IRR 2.65; 95% CI 2.35 to 2.99; p<0.001) and 65+ years (IRR 1.90; 95% CI 1.73 to 2.10; p<0.001), whereas rates in children were more homogeneous across deprivation strata. Vaccine uptake was lower than the nationally set targets in most neighbourhoods. The odds of vaccine uptake were 30% lower (OR 0.70; 95% CI 0.66 to 0.74; p<0.001) and 10% lower (OR 0.90; 95% CI 0.88 to 0.92; p<0.001) in the most socioeconomically deprived quintile compared with the least deprived, among children aged 24-59 months and 65+ years, respectively.

conclusionsHigher rates of IAI hospitalisations and lower vaccine uptake in the most socioeconomically deprived populations suggest that health promotion policies and interventions that target these populations should be a priority.

Indexed as

Poverty AreasAdolescentAdultAgedChildChild, PreschoolCost of IllnessCross-Sectional StudiesEnglandFemaleHospitalizationHumansInfantInfluenza, HumanInfluenza VaccinesMaleInfluenza Vaccinesecologicalepidemiologyinequalitiesinfluenzapublic healthvaccination

Identifiers

PMID30573483
PMCPMC6303586

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.