Table 1

Characteristics of female sex workers at baseline and comparison of baseline characteristics between those lost to follow-up and those retained in the cohort

CharacteristicsAttended at least one follow-up visit (n=360)Lost to follow-up (n=57)p ValueTotal recruited at baseline (n=417)
Mean age in years (SD)30.4 (4.7)30.0 (6.6)0.53130.4 (5.0)
Typology, % (n)
 Home22.5 (81)10.5 (6)<0.00120.9 (87)
 Brothel5.8 (21)22.8 (13)8.2 (34)
 Street71.7 (258)66.7 (38)71.0 (296)
Mean duration of sex work in years (SD)4.5 (4.5)5.1 (5.4)0.3274.6 (4.6)
Mean number of clients past week (SD)4.8 (3.5)5.2 (3.7)0.3924.9 (3.5)
Report consistent condom use with clients, % (n)68.6 (247)75.4 (43)0.29869.5 (290)
Currently have non-commercial partner/s, % (n)69.7 (251)73.7 (42)0.54370.3 (293)
Mean number of non-commercial partners (SD)1.3 (0.7)1.2 (0.7)0.5421.3 (0.7)
Currently have more than one non-commercial partner, % (n)22.8 (57)22.5 (9)0.96622.8 (66)
Report consistent condom use with non-commercial partners, % (n)17.5 (44)14.3 (6)0.60517.1 (50)
Prevalence of STIs, % (n)
 GC14.4 (52)12.3 (7)0.66314.2 (59)
 CT15.0 (54)22.8 (13)0.13616.1 (67)
 GC and/or CT25.8 (93)28.1 (16)0.72126.1 (109)
 TV31.7 (113)28.1 (16)0.58831.2 (129)
 Active syphilis6.1 (22)3.5 (2)0.7585.8 (24)
  • CT, Chlamydia trachomatis; GC, Neisseria gonorrhoeae; STI, sexually transmitted infection; TV, Trichomonas vaginalis.