You are viewing the site in preview mode

Skip to main content

Advertisement

Table 1 Key parameters used in the model

From: The effects of free condom distribution on HIV and other sexually transmitted infections in men who have sex with men

Parameter Point estimate Uncertainty Source
Condom use in PSVs after intervention 87.8%a 83.8, 91.0% [11]
Percentage of MSM that used a condom that were influenced through the availability of free condoms at PSVs 49.4%a 43.9, 54.8% [11]
Percentage of MSM that used a free condom from the condom distribution, and that reported they would not have used a condom if condoms were not freely available at PSVs 14.2% 9.4, 20.3% [11]
Percentage of relationships with casual partners that involved anal intercourse formed at PSVs among men frequenting PSVs 59.6%a 56.5, 62.7% [16]
Number of active MSM in the Netherlands 300,000 estimate [33]
Percentage of active MSM, who met a casual partner at a PSV in the last year 17.1%a 15.5, 18.9% [17]
Number of condoms distributed in 2013 371,952 exact [34]
Condom wastage 15% estimate  
Mean annual number of casual partners among men frequenting PSVs 21.8a 1–200 [17]
Mean number of sexual acts per casual partner 2.20a 1–50 [16]
Percentage insertive anal intercourse per sexual act 63.3%a 59.2, 67.2% [16]
Market share of CLub GUN condoms at the CLub GUN locations 79.3% 73.8, 84.0%  
Condom effectiveness 70% estimate [35, 36]
Prevalence among casual partners met at a PSV
 HIV 36.2%a 29.9, 42.8% [16]
 Hepatitis C 0.46%a 0.05, 2.11% [16]
 Chlamydia 10.0%a 6.6, 14.5% [16]
 Gonorrhoea 5.9%a 3.4, 9.7% [16]
 Syphilis 1.8%a 0.6, 4.3% [16]
Prevalence among casual partners met in general
 HIV 22.8%a 19.9, 26.0% [16]
 Hepatitis C 0.40%a 0.11, 1.08% [16]
 Chlamydia 9.6%a 7.6, 11.8% [16]
 Gonorrhoea 6.1%a 4.5, 8.0% [16]
 Syphilis 2.0%a 1.2, 3.2% [16]
Per-act infectivity
 HIV 1.025% estimate [37]
 Hepatitis C 0.5%a estimate [38]
 Chlamydia 17% estimate [39]
 Gonorrhoea 50% estimate [40]
 Syphilis 30% estimate [41]
  1. PSV public sex venues, MSM men who have sex with men
  2. Uncertainty is given as 95%CI (beta distribution), except when given otherwise
  3. aAdditional analyses were done to come to the parameter values provided