Contact tracing methods | • Interview index case, primarily at clinic or on phone | • Interviews conducted on the street, in addition to clinic or on phone |
• Elicit partner name(s) | • SNA interview cues (location, partner, event) incorporated to prompt recall of partners |
• Follow up with partners, offer testing and treatment | • “Who do you think should be tested for syphilis?” posed to cases |
• Used series of encounters to gather information |
• Environmental observation at places of social aggregation to identify additional contacts |
• Use of peer worker to access “hard to reach” individuals |
• Testing and treatment conducted on the street |
• Social network maps used to rapidly identify contacts of new cases |
Data collection and analysis | • Data stored on Excel Spreadsheet Manual linkage with other cases | • Uniform data entry sheet completed for each case |
• Data entered into Epi-Data |
• Searching for cases done in Epi-Data |
• Analysis done in Epi-Info 6 |
• Social network maps constructed in Pajek |
Information from cases | • Age | • Age |
• Cultural background | • Cultural background |
• Sexual contacts | • Sexual and social contact(s) |
• Location of encounter |
• Appearance and distinguishing characteristics (to facilitate location by other health professionals) |
• Location of contact(s) |
• Participation in sex trade |
• Drug use |