| Dependent variable: current HIV (co-infection with    gonorrhoea) | 
        Crude OR (95% CI) | 
        p | 
      
      
        | Gender  | 
        Man (300)  | 
        4.76 (1.11-20) | 
        0.036 | 
      
      
        | Woman (23)  | 
        - | 
      
      
        | HIV-positive    stable partner | 
        Yes (n=22) | 
        13.56    (4.44-41.35) | 
        <0.001 | 
      
      
        | No (301) | 
        - | 
      
      
        | Sexual    orientation (men)  | 
        MSM/bisexual    (n=268) | 
        6.39    (2.66-15.38) | 
        <0.001 | 
      
      
        | Heterosexual    men (n=32) | 
          | 
      
      
        | Age (years) | 
        0.97 (0,94-1) | 
        0.48 | 
      
      
        | Age at first    sexual intercourse (years) | 
        0.87    (0.78-0.96) | 
        0.11 | 
      
      
        | STD history  | 
        Yes (n=193) | 
        56.93    (13.68-236.99) | 
        <0.001 | 
      
      
        | No (n=130) | 
        - | 
      
      
        | Co-infection    with Chlamydia    trachomatis | 
        Yes (n=62) | 
        1.76    (0.98-3.14)) | 
        0.058 | 
      
      
        | No (n=257) | 
          | 
      
      
        | Co-infection    with syphilis | 
        Yes (n=80) | 
        3.68    (1.77-7.61) | 
        <0.001 | 
      
      
        | No (n=243) | 
        - | 
      
      
        | Frequency of    sexual behaviour | 
        IAI with SC | 
        Unprotected    (n=118) | 
        5.17    (2.73-9.80) | 
        <0.001 | 
      
      
        | Protected    (n=205) | 
        - | 
      
      
        | RAI with SC | 
        Unprotected    (n=32) | 
        4.46    (2.39-8.31) | 
        <0.001 | 
      
      
        | Protected    (n=291) | 
        - | 
      
      
        | Alcohol use | 
        Yes (n=124) | 
        2.35    (1.40-3.96) | 
        0.010 | 
      
      
        | No (n=199) | 
        - | 
      
      
        | Non-injection    drug use | 
        Yes (n=123) | 
        3.22    (1.91-5.45) | 
        <0.001 | 
      
      
        | No (n=200) | 
        - | 
      
      
        | Sexual    contacts under the influence of drugs or alcohol | 
        Yes (n=116) | 
        3.58    (2.1-6.12) | 
        <0.001 | 
      
      
        | No (n=207) | 
        - | 
      
    
    OGS: orogenital sex; IAI: insertive anal intercourse; RAI: receptive anal intercourse; SC: sporadic contact.