Contacts of underserved tuberculosis patients have higher odds of TB disease in North West England: a cohort study

Tom Wingfield, Peter MacPherson, P. Sodha, A. Tucker, J. Mithoo, Bertie Squire, P. Cleary

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

OBJECTIVE

To investigate the association between patients' social risk factors and the risk of tuberculous infection and TB disease among their contacts in England.

DESIGN

This was a cohort study of all TB cases from North West England diagnosed between 27 March 2012 and 28 June 2016. The social risk factors of TB cases were evaluated to estimate their need for enhanced case management (ECM), from 0 (standard of care) to 3 (intensive social support).

RESULTS

A total of 2139 cases and their 10 019 contacts met the eligibility criteria. Being a contact of a patient with smear-positive TB with high ECM or being of Black Caribbean ethnicity was independently associated with greater odds of active TB disease (smear-positive vs. smear-negative, OR 5.3, 95%CI 3.2-8.7; ECM-3 vs. ECM-0, OR 2.2, 95%CI 1.01-5.0; Black Caribbean vs. White, OR 7.4, 95%CI 2.1-25). Being a contact of a patient with smear-positive TB or of Black Caribbean ethnicity was also independently associated with greater odds of tuberculous infection (smear-positive vs. smear-negative, OR 5.3, 95%CI 3.8-7.3; and Black Caribbean vs. White, OR 6.7, 95%CI 2.0-25).

CONCLUSIONS

The social complexity and ethnicity of patients were associated with tuberculous infection and TB disease in their contacts.

Original languageEnglish
Pages (from-to)337-343
Number of pages7
JournalInternational Journal of Tuberculosis and Lung Disease
Volume23
Issue number3
DOIs
Publication statusPublished - 1 Mar 2019

Keywords

  • Contact screening
  • Enhanced case management
  • Public health
  • Social and clinical complexity
  • TB
  • TB control
  • TB prevention

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