Force of tuberculosis infection among adolescents in a high HIV and TB prevalence community: a cross-sectional observation study
2011

Tuberculosis Infection in Adolescents in a High HIV and TB Prevalence Community

Sample size: 820 publication 10 minutes Evidence: high

Author Information

Author(s): Keren Middelkoop, Linda-Gail Bekker, Hua Liang, Lisa D. H. Aquino, Elaine Sebastian, Landon Myer, Robin Wood

Primary Institution: University of Cape Town

Hypothesis

What is the prevalence and force of tuberculosis infection among adolescents in a high HIV and TB prevalence community?

Conclusion

The study found a high force of tuberculosis infection among adolescents, which is positively associated with increasing age.

Supporting Evidence

  • The prevalence of TB infection among HIV-uninfected participants was 54%.
  • HIV prevalence in the study was found to be 5%.
  • Force of TB infection increased with age, from 3% to 7.3% in adolescents aged 20 years and older.

Takeaway

This study shows that many teenagers in a community with high rates of HIV and TB are getting infected with tuberculosis, especially as they get older.

Methodology

A tuberculin skin test and HIV survey were performed among secondary school learners in a high HIV and TB prevalence community.

Potential Biases

Potential underestimation of TB infection prevalence due to exclusion of HIV-infected participants from the main analysis.

Limitations

The study may not represent all children in the community, particularly those not attending school.

Participant Demographics

Participants were aged 13 to 22 years, with a mean age of 17.5 years, and 59% were female.

Statistical Information

P-Value

0.07

Confidence Interval

95% CI: 1.01 - 1.21

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2334-11-156

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