Table 1.
Population size estimates for female sex workers in Juba and Nimule using service multipliers and capture-recapture methods.
| City or town and method | Population estimate | 95% CI | Proportion of females aged 15 to 64 yearsa | |
| Juba | —b | — | 85,386 | |
|
|
Service multiplier methodc | 5800 | 4927-6673 | 6.79 |
|
|
Capture-recapture methodd | — | — | — |
|
|
2-source (keychain and RDSe) | 5306 | 4673-5939 | 6.21 |
|
|
2-source (RDS and bangle) | 1863 | 1776-1951 | 2.18 |
|
|
2-source (keychain and bangle) | 2120 | 2028-2211 | 2.48 |
| Nimule | — | — | 6790 | |
|
|
Service multiplier method | 9384 | 8511-10,257 | 138.20 |
|
|
Capture-recapture method | — | — | — |
|
|
2-source (keychain and RDS) | 6973 | 4759-9186 | 102.70 |
|
|
2-source (bangle and RDS) | 13,104 | 7101-19,106 | 192.99 |
|
|
2-source (keychain and bangle) | 1322 | 1223-1420 | 19.47 |
|
|
3-source (keychain, bangle, and RDS) | 2694 | 1689-6945 | 39.68 |
aIndicates the National Bureau of Statistics population estimate of 2015 for females aged 15 to 64 years for Juba and estimates of 2017 for Nimule.
bData captured under the separate source options.
cService multiplier method: method used for population size estimation methods used in Juba and Nimule.
dCapture-recapture method: method used for population size estimation in Juba and Nimule using unique objects that resulted into the different coerced combinations as indicated in the table.
eRDS: respondent-driven sampling.