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. 2019 Mar 21;5(1):e11285. doi: 10.2196/11285

Table 2.

Population size estimates for female sex workers (FSW) in Port Moresby, Lae, and Mount Hagen using unique object multiplier (UOM), service multipliers organizations (ORG1, ORG2, ORG3, ORG4), and successive sampling-population size estimation (SS-PSE) in 2015 and 2016.

Population size estimation method Multiplier number, N Survey, % Estimate, 95% CI Female urban population size based on total, %a
Port Moresby, N=169,291a




UOM





Unweighted 867 7.6 11,407 (8487-14,327) 6.7


Weighted 867 5.4 16,053 (8232-23,874) 9.5

ORG1





KP membership






Unweighted 3169 10.8 28,906 (22,764-35,048) 17.1



Weighted 3169 9.6 32,532 (30,324-34,743) 19.2


HIV testing






Unweighted 908 16.6 5464 (4599-6329) 3.2



Weighted 908 14.4 6328 (4383-8273) 3.7

ORG2





HIV testing






Unweighted 77 1.2 6487 (2257-10,717) 3.8



Weighted 77 1.9 3907 (432-7383) 2.3

ORG3





HIV testing






Unweighted 208 0.6 35,048 (1134-68,962) 20.7



Weighted 208 1 18,773 (0-39,354) 11.1

ORG4





HIV testing






Unweighted 63 0.4 14,154 (0-29,750) 8.4



Weighted 63 0.4 14,078 (0-31,388) 8.3

SS-PSE b b 3537 (1062-6870) 2.1
Lae, N=42,532a




UOM





Unweighted 790 15.5 5092 (4280-5903) 12


Weighted 790 13 6105 (4459-7752) 14.4

SS-PSE b b 4482 (1473-7388) 10.5
Mount Hagen, N=15,430a




UOM





Unweighted 546 10 5452 (4330-6574) 35.3


Weighted 546 8.6 6315 (4668-7963) 40.9

ORG2





HIV testing






Unweighted 138 5.8 2386 (1792-2981) 15.5



Weighted 138 5.2 2646 (1655-3638) 17.1

SS-PSE b b 3843 (1303-7989) 24.9

aValues provided by the 2011 census of Papua New Guinea.

bNot applicable.