| Sexual practices | Kothi          Mean/% (n=275)
 | Panthi          Mean/% (n=40)
 | Double-decker Mean/%
 (n=168)
 | p-value | Total          Mean/% (n=483)
 | 
      
        | Commercial sexual    practices |  |  |  |  |  | 
      
        | Ever had    transactional sex (sold or bought) | 82.6 (227) | 52.5 (21) | 67.3 (113) | <0.001 | 74.7 (361) | 
      
        | Sold sex to males | 76.4 (210) | 12.5 (5) | 60.1 (101) | <0.001 | 65.4 (316) | 
      
        | Mean male clients    past week (SD) | 8.5 (9.0) | 4 (2.9) | 6.4 (7.8) | 0.021 | 7.7 (8.6) | 
      
        | Condom use at    last sex with male clients | 88.1 (193) | 70.0 (7) | 87.6 (92) | 0.239 | 87.4 (292) | 
      
        | Consistent condom    use (always) in commercial sex | 59.8 (131) | 60.0 (6) | 53.3 (56) | 0.537 | 57.8 (193) | 
      
        | Sold sex to    females | 1.5 (4) | 5.0 (2) | 4.8 (8) | 0.066 | 2.9 (14) | 
      
        | Mean female    clients past week (SD) | 1.3 (0.5) | 1 (0.0) | 1.3 (0.7) | 0.525 | 1.2 (0.6) | 
      
        | Condom use at    last sex with female clients | 0.0 (0) | 50.0 (1) | 87.5 (7) | NR* | 57.1 (8) | 
      
        | Mean age at start    of sex work (SD) in years | 19.8 (4.6) | 22.4 (4.3) | 20.9 (4.5) | 0.915 | 20.3 (4.6) | 
      
        | Mean duration in    sex work (SD) in years | 7.2 (5.0) | 3.3 (2.5) | 5.9 (5.9) | 0.006 | 6.7 (5.3) | 
      
        | Bought sex from    males | 9.1 (25) | 22.5 (9) | 16.1 (27) | 0.015 | 12.6 (61) | 
      
        | Bought sex from    females | 1.8 (5) | 7.5 (3) | 1.8 (3) | 0.110 | 2.3 (11) | 
      
        | Non-commercial    sexual practices |  |  |  |  |  | 
      
        | Currently having non-commercial    sex partner(s) – male or female | 69.1 (190) | 82.5 (33) | 78.0 (131) | 0.047 | 73.3 (354) | 
      
        | Currently have    non-commercial male partner(s) | 64.4 (177) | 70.0 (28) | 74.4 (125) | 0.086 | 68.3 (330) | 
      
        | Mean male    partners at present (SD) | 2.6 (2.7) | 3.0 (3.0) | 3.0 (2.8) | 0.709 | 2.8 (2.7) | 
      
        | Condom use at    last sex with male partner | 70.5 (134) | 57.6 (19) | 77.1 (101) | 0.072 | 71.8 (254) | 
      
        | Consistent condom    use (always) in non-commercial sex | 45.8 (87) | 33.3 (11) | 51.9 (68) | 0.146 | 46.9 (166) | 
      
        | Currently have non-commercial    female partner(s) | 20.4 (56) | 60.0 (24) | 28.6 (48) | <0.001 | 26.5 (128) | 
      
        | Mean female    partners at present (SD) | 1.1 (0.5) | 1.8 (1.6) | 1.1 (0.4) | <0.001 | 1.3 (0.8) | 
      
        | Condom use at    last sex with female partner | 10.0 (19) | 39.4 (13) | 13.7 (18) | <0.001 | 14.1 (50) | 
      
        | Gender of sexual    partners |  |  |  |  |  | 
      
        | Had sex with females in past 3    months | 32.4 (89) | 70.0 (28) | 51.8 (87) | <0.001 | 42.2 (204) |