| Exposure categories | Definition in the datab | Interpretationc of positive CT test result |
---|---|---|---|
Outcome incident genital CT detection | |||
Model 1 | Sexual exposurea | Genital sexual exposure (at Tx) | Â |
 | Alternate site exposure | Anorectal CT positive (at Tx and/or Tx-2) |  |
Model 2 | No exposure | No genital sexual exposure (at Tx) AND anorectal CT negative (at Tx and Tx-2) | Persistence |
 | Genital sexual exposure only | Genital sexual exposure (at Tx) AND anorectal CT negative (at Tx and Tx-2) | Sexual transmission |
 | Anorectal site exposure only | No genital sexual exposure (at Tx) AND anorectal CT positive (at Tx and/or Tx-2) | Transmission from anorectal site |
 | Sexual exposure and anorectal site exposure | Genital sexual exposure (at Tx) AND anorectal CT positive (at Tx and/or Tx-2) | Sexual transmission AND/OR Transmission from anorectal site |
Outcome incident anorectal CT detection | |||
Model 1 | Sexual exposurea | Anorectal sexual exposure (at Tx) | Â |
 | Alternate site exposure | Genital CT positive (at Tx and/or Tx-2) |  |
Model 2 | No exposure | No anorectal sexual exposure (at Tx) AND genital CT negative (at Tx and Tx-2) | Persistence |
 | Anorectal sexual exposure only | Anorectal sexual exposure (at Tx) AND genital CT negative (at Tx and Tx-2) | Sexual transmission |
 | Genital site exposure only | No anorectal sexual exposure (at Tx) AND genital CT positive (at Tx and/or Tx-2) | Transmission from genital site |
 | Sexual exposure and genital site exposure | Anorectal sexual exposure (at Tx) AND genital CT positive (at Tx and/or Tx-2) | Sexual transmission AND/OR Transmission from genital site |