Estimating HIV Prevalence in Zambia
Author Information
Author(s): Dzekedzeke Kumbutso, Knut Fylkesnes
Primary Institution: Central Statistical Office, Lusaka, Zambia; Centre for International Health, University of Bergen, Norway
Hypothesis
Can HIV prevalence estimates derived from antenatal care clinic data accurately reflect the general population prevalence in Zambia?
Conclusion
The study found that HIV prevalence estimates for adults aged 15–49 years from antenatal care clinics were similar to those from population surveys.
Supporting Evidence
- ANC HIV prevalence estimates were similar to population survey estimates.
- The HIV prevalence urban to rural ratio was 2.2 in ANC and 2.1 in population survey estimates.
- High validity of ANC-based HIV prevalence estimates was observed in settings with high fertility rates.
Takeaway
This study shows that testing pregnant women at clinics can give a good idea of how many people have HIV in the whole population.
Methodology
The study compared HIV prevalence estimates from a national population survey and antenatal care sentinel surveillance conducted in Zambia.
Potential Biases
Potential bias due to non-response rates and differences in testing between urban and rural areas.
Limitations
The study's findings may not be generalizable to countries with different healthcare systems or lower ANC attendance.
Participant Demographics
Women aged 15–49 years and men aged 15–59 years in Zambia.
Statistical Information
Confidence Interval
95% CI
Digital Object Identifier (DOI)
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