Table 1 Empirical and modelled HIV prevalence estimates for FSW in Zimbabwe

From: Decline in HIV prevalence among female sex workers in Zimbabwe between 2013 and 2023

 

Pooled surveys 2016–2017 (N = 4005)

Pooled surveys 2021–2023 (N = 4475)

Difference in means (95% CI)

p-value

HIV prevalence (RDS data)

n/N

Cluster mean [range]a

n/N

Cluster mean [range]a

HIV prevalence – unweighted (%)

2126/4005

53.1 (33.5 – 71.1)

1634/4475

39.6 (22.2 – 50.3)

−14.5 (−20.9–−8.1))

<0.001

HIV prevalence – weighted (%)

2126/4005

54.6 (36.2–72.3)

1634/4475

38.9 (22.6–50.9)

−15.7 (−22.2–−9.2)

<0.001

Modelled estimates

2016

Mean (90% range)

2021

Mean (90% range)

  

HIV prevalence – modelledb (%)

 

58.0 (36.8, 82.9)

 

0.5 (26.5, 76.9)

  
  1. Source data are provided as a Source Data file. Data are number of participants. P-values (two-sided) are based on t test.
  2. aMean of 15 site specific HIV prevalence estimates with minimum and maximum site estimates.
  3. b2023 prevalence mean and 90% range: 48.0 (23.7–74.6).
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