Table 2

Sexual behaviour, drug use and HIV/STIs among adolescent female sex workers

Characteristics by FSW workplace, n/N (%)†
VariableAll women, n/N (%)†Lower-risk workplaceHigher-risk workplacep Value*
Sexual behaviour
 Number of emotional partners (past 3 months)0.24
  Only 124/192 (12.5)17/102 (16.7)7/90 (7.8)
  2–475/192 (39.1)35/102 (34.3)40/90 (44.5)
  5–1067/192 (34.9)35/102 (34.3)32/90 (35.5)
  >1026/192 (13.5)15/102 (14.7)11/90 (12.2)
 Number of clients (past week), median (IQR)2 (1–3)1 (1–2)2 (1–4.5)0.001**
 Condom used during last paid sex act146/194 (75.3)76/105 (72.4)70/89 (78.7)0.31
 Consistent condom use (last month)
  With paying client105/191 (55.0)57/99 (57.6)48/92 (52.2)0.13
  With emotional partner42/189 (22.2)27/103 (26.2)15/83 (18.1)0.41
 At least one sex act while feeling drunk (past week)78/155 (50.3)48/90 (53.3)30/65 (46.2)0.38
 At least one sex act without a condom while feeling drunk (past week)48/78 (56.4)27/48 (56.3)17/30 (56.7)0.16
Substance using behaviour
 Any substance used (past 6 months)‡
  Illicit drugs§16/201 (8.0)8/105 (7.6)8/96 (8.3)0.85
  Tobacco136/201 (67.7)82/105 (78.1)54/96 (56.2)0.001
  Alcohol149/201 (74.1)92/105 (87.6)57/96 (59.4)<0.001
 Frequency of substance use (past 6 months)0.03
  Everyday or almost everyday112/166 (67.5)69/95 (72.6)43/71 (60.6)
  1 or 2 days weekly7/166 (4.2)1/95 (1.1)6/71 (8.0)
  Occasionally47/166 (28.3)25/95 (26.3)22/71 (31.0)
 Emotional partners involved in substance use0.44
  Never used52/139 (37.4)35/85 (41.2)19/54 (31.5)
  Previously used31/139 (22.3)19/85 (22.4)12/54 (22.2)
  Currently using56/139 (40.3)31/85 (36.4)25/54 (46.3)
HIV and STIs
 HIV positive2/201 (1.0)02/96 (2.1)0.22***
 Self-reported symptoms of STI (past year)148/200 (74.0)73/104 (70.2)75/96 (78.1)0.20
 Any STI (based on clinical or laboratory screening)61/201 (30.4)24/105 (22.9)37/96 (38.5)0.016
 STI prevalence based on clinical diagnosis or laboratory screening
  Neisseria gonorrhoeae25/191 (13.1)4/100 (4.0)21/91 (23.1)<0.001***
  Chlamydia trachomatis28/191 (14.7)17/100 (17.0)11/91 (12.1)0.33
  Syphilis3/201 (1.5)1/105 (0.9)2/96 (2.1)0.47***
  Condyloma acuminatum13/189 (6.9)4/100 (4.0)9/89 (10.1)0.09***
  Genital HSV-21/189 (0.5)1/100 (1.0)00.52***
  • *p Value comparing women working at higher-risk versus lower-risk workplaces using χ2 test unless indicated.

  • †Unless otherwise indicated.

  • ‡Multiple-response question.

  • §Illicit drugs used include heroin, marijuana, morphine, amphetamines, ketamine, ecstasy.

  • **Wilcoxon rank sum test.

  • ***Fisher's exact test.

  • FSW, female sex worker; STI, sexually transmitted infection.