Definition of the different core group interventions simulated at time T2
| Interventions | Symbols in equations* | Definitions |
|---|---|---|
| *See details in the appendix. | ||
| CSW, commercial sex worker; Gc, gonorrhoea. | ||
| B: Current (SIDA1/2 project): | C22%=50%, F22=1 | 50% CSW screened for Gc every year |
| otherwise:Cki%=0% Fki=0%; | ||
| Cond 122 %(T2)=20% | 20% increase in condom use in relationships between CSW and frequent clients. Net increase from 50% at baseline to 60% after the intervention | |
| Cond 222 %(T2)=20% | ||
| otherwise: Condkij%(T2)=0% | ||
| C1: Condom only: | Cki%=0% | No screening |
| Fki=0% for all k,i; | ||
| Cond 122 %(T2)=20% | 20% increase in condom use in relationships between CSW and frequent clients. Net increase from 50% at baseline to 60% after the intervention | |
| Cond 222 %(T2)=20% | ||
| otherwise: Condkij%(T2)=0% | ||
| E: Gc eradication | RR HIV/Gc =1 when t≥T2 | Gc totally eliminated from the population |
| S2: Screening CSW + Clients | C22%=100%, F22=6 | Screening 100% frequent male clients every 2 months + 100% CSW every month |
| C12%=100%, F12=12 | ||
| otherwise: Cki%=0% Fki=0% | ||
| C2: Condom only | Cond 122 %(T2)=20% | 50% increase in condom use in relationships between CSW and frequent clients. Net increase from 50% at baseline to 75% after the intervention |
| Cond 222 %(T2)=20% | ||
| otherwise: Condkij%(T2)=0% | ||
| C4: Condom only | Cond 122 %(T2)=20% | C1 |
| Cond 222 %(T2)=20%; | ||
| Cond 221 %(T2)=30% | + 30% condom use between clients and low risk females | |
| Cond 112 %(T2)=30% | ||
| otherwise: Condkij%(T2)=0% | ||
| CS: Screening +Condom: | Cond 122 %(T2)=20% | C1 |
| Cond 222 %(T2)=20% | ||
| otherwise: Condkij%(T2)=0%; | ||
| C12%=100%,F12=6 | + Screening of CSW every 2 months | |
| otherwise:Cki%=0% Fki=0%; | ||