Table 1 Data collected
Database | Domain Variables assessed | Question | Answer |
|---|---|---|---|
SHCS, reported in interview situation | Screening question | ||
Selection criteria for sexual risk reduction intervention | “Over the last 12 months, did you have unprotected anal intercourse with occasional partners?” | Yes/no | |
Swiss HCVree Trial, Self-completed questionnaires | Sociodemographic | ||
Partnership | “Did you have a stable partnership in the last 6 months?” | Yes/no | |
Risk Behaviours | |||
Sextoys | “Over the last 6 months, did you use sextoys with non-steady partners?” | Yes/no | |
Fisting | “Over the last 6 months, did you practice fisting?” | Yes/no | |
Drug use | “Did you use one or more of the following substances in the last 6 months?” | ||
Cocaine | Yes/no | ||
γ-butyrolactone/γ-hydroxybutyric acid (GHB/GBL) | Yes/no | ||
crystal methamphetamine (CM) | Yes/no | ||
ketamine | Yes/no | ||
mephedrone | Yes/no | ||
“If your answer is yes, how did you take the substance(s)?” | injection (slammed)/ intranasal/orally/smoked/ mucosally (anal) | ||
Sexualised drug use | “If your answer is yes, did you take any of the above-mentioned substance(s) in combination with sex?” | Yes/no | |
Psychological constructs | |||
Attitudes towards condom use | Sexual risks scale-attitudes toward condom use [15] 13 items rated on a 5-point Likert scale | 1 (I don’t agree at all) to 5 (I completely agree). Possible scores range from 13 to 65 | |
Condom self-efficacy | Self-efficacy for negotiating condom use [16], 5 items rated on a 1–10 scale | 0 (I cannot) to 10 (I am sure that I can). Possible scores range from 0 to 50 | |