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  • Hepatitis B vaccination coverage, knowledge and sociodemographic determinants of uptake in high risk public safety workers in Kaduna State, Nigeria: a cross sectional survey

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Public health
Research
Hepatitis B vaccination coverage, knowledge and sociodemographic determinants of uptake in high risk public safety workers in Kaduna State, Nigeria: a cross sectional survey
  1. Chinwe Lucia Ochu1,
  2. Caryl M Beynon2
  1. 1 Family Medicine, Ahmadu Bello University Teaching Hospital, Zaria, Nigeria
  2. 2 Public Health, University of Liverpool, Liverpool, UK
  1. Correspondence to Dr Chinwe Lucia Ochu; lucia.ochu{at}online.liverpool.ac.uk

Abstract

Objectives To estimate hepatitis B vaccination (HBVc) coverage, and knowledge and sociodemographic determinants of full dose uptake in Federal Road Safety Corps (FRSC) members, Kaduna State, Nigeria, to inform relevant targeted vaccination policies.

Design A cross sectional survey of FRSC members, Kaduna Sector Command.

Settings Six randomly selected unit commands under Kaduna Sector Command, Kaduna State, Nigeria.

Participants A pilot tested, structured, self-administered questionnaire was administered to 341 participants aged ≥18 years with ≥6 months of service between 17 June and 22 July 2015. Excluded were FRSC members in road safety 1 zonal command headquarters as the zonal command includes other states beyond the study scope.

Primary outcome HBVc status of participants categorised as ‘not vaccinated’ for uptake of <3 doses and ‘vaccinated’ for uptake of ≥3 doses.

Analysis Descriptive analysis estimated HBVc coverage while logistic regression ascertained associations.

Results Most participants were men, aged 30–39 years, with 3–10 years of service and of marshal cadre. HBVc coverage was 60.9% for ≥1 dose and 30.5% for ≥3 doses. Less than 47% of participants scored above the mean knowledge score for hepatitis B virus (HBV) and HBVc. Female sex (AOR 2.28, 95% CI 1.15 to 4.52, p<0.05), perceiving there to be an occupational risk of exposure to HBV (AOR 2.86, 95% CI 1.06 to 7.70, p<0.001) and increasing HBVc knowledge (AOR 2.68, 95% CI 1.83 to 3.92, p<0.001) were independent predictors of full dose HBVc in FRSC members, Kaduna Sector Command.

Conclusions HBVc coverage and knowledge were poor among FRSC members, Kaduna Sector Command. Educational intervention, geared towards improving FRSC members’ knowledge of HBVc and perception of risk of occupational exposure to HBV, is recommended for these vulnerable public safety workers. Such enlightenment could be a cheap and easy way of improving HBVc coverage in the study population.

  • infection control
  • hepatitis B virus
  • vaccination coverage
  • public safety workers

This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/

https://doi.org/10.1136/bmjopen-2017-015845

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    Footnotes

    • Contributors This study was carried out as a dissertation research by CLO under the close supervision of CMB, in partial fulfilment of the requirement for the award of the degree of Master of Public Health by the University of Liverpool, UK. CLO collected the data and conducted the analyses. These were reviewed by CMB. The manuscript was drafted by CLO and reviewed and revised by CMB. Both authors approved the final version for publication.

    • Funding This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

    • Patient consent The study was a cross sectional survey using anonymous self-administered questionnaires. Implied consent was used wherein completion of the questionnaire was regarded as consent to participate. This was clearly written in the participant information sheet and was also verbally explained to participants by the researcher prior to data collection. Participation was voluntary. No participant identifying information was included in the questionnaire. Age and duration of service were categorised to enhance anonymity. Data were collected from six Unit Commands (UCs) of the Federal Road Safety Corps, Kaduna Sector Command. Names of UCs were not included in the questionnaire and data were inputted together into the SPSS. This was to further enhance anonymity. The dataset is therefore totally anonymous.

    • Ethics approval This study was approved by the University of Liverpool’s Ethics Committee and the Ethics Committee of Kaduna State Ministry of Health.

    • Provenance and peer review Not commissioned; externally peer reviewed.

    • Data sharing statement Extra data can be accessed via the Dryad data repository at http://datadryad.org/ with the doi:10.5061/dryad.545q0.

    • Correction notice This paper has been amended since it was published Online First. Owing to a scripting error, some of the publisher names in the references were replaced with 'BMJ Publishing Group'. This only affected the full text version, not the PDF. We have since corrected these errors and the correct publishers have been inserted into the references.