Relatively Low HIV Infection Rates in Rural Uganda, but with High Potential for a Rise: A Cohort Study in Kayunga District, Uganda
2009

HIV Infection Rates in Rural Uganda

Sample size: 2025 publication 10 minutes Evidence: moderate

Author Information

Author(s): Guwatudde David, Wabwire-Mangen Fred, Eller Leigh Anne, Eller Michael, McCutchan Francine, Kibuuka Hannah, Millard Monica, Sewankambo Nelson, Serwadda David, Michael Nelson, Robb Merlin, the Kayunga Cohort Research Team

Primary Institution: Makerere University-Walter Reed Project, Kampala, Uganda

Hypothesis

What are the HIV-1 prevalence, incidence, and determinants of these infections in Kayunga District, Uganda?

Conclusion

Despite relatively low HIV-1 incidence observed in this community, prevalence remains relatively high.

Supporting Evidence

  • HIV-1 prevalence among the 2025 participants was 9.9%.
  • Annual HIV-1 incidence was 0.77%.
  • Prevalence of HSV-2 infection was 57% and was strongly associated with prevalent HIV-1 infection.
  • The single most important behavioral characteristic associated with incident HIV infection was having sex with partners suspected of being unfaithful.

Takeaway

In a rural area of Uganda, many people have HIV, but not as many are getting it each year. This means we need to be careful and keep teaching people how to stay safe.

Methodology

Participants aged 15-49 were enrolled and evaluated every six months using questionnaires and blood samples.

Potential Biases

The HIV-1 risk level of individuals who volunteered may differ from those who did not participate, creating potential selection bias.

Limitations

The follow-up period may not have been long enough to identify all risk factors for incident HIV-1 infections.

Participant Demographics

The average age of participants was 28.5 years, with 47% males and 53% females; most had low education levels and were primarily farmers.

Statistical Information

P-Value

0.004

Confidence Interval

95% CI = 8.6%–11.2%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0004145

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication