Table 1.
Bivariate Statistics and Associations by Active Syphilis (titer>1:8) Status for Characteristics of Female Sex Workers (N=914)
| Negative (n=820) | Positive (n=94) | p-value | |
|---|---|---|---|
|
Sociodemographic Characteristics
| |||
| Age | 33.5 (9.2) | 32.5 (8) | 0.44 |
| Age of Initiation into Sex Work, % | 0.72 | ||
| <18 | 80 (10) | 10 (11) | |
| 18+ | 732 (90) | 83 (89) | |
| Marital Status, % | 0.09 | ||
| married/cohabitated | 190 (23) | 30 (32) | |
| single | 402 (49) | 46 (49) | |
| other | 223 (27) | 18 (19) | |
| Has Children, % | 767 (94) | 86 (92) | 0.37 |
| City of Residence, % | 0.28 | ||
| Tijuana | 412 (50) | 53 (56) | |
| Ciudad Juarez | 408 (50) | 41 (44) | |
| Migrated into this State, % | 494 (60) | 57 (61) | 0.99 |
| Sex Worker Type, % | 0.03 | ||
| street worker | 439 (54) | 66 (70) | |
| dance hostess | 181 (22) | 13 (14) | |
| barmaid | 132 (16) | 11 (12) | |
| other | 68 (8) | 4 (4) | |
|
| |||
|
Condom Use
| |||
| Participant brought condoms to the interview, % | 93 (12) | 8 (8) | 0.49 |
| % Unprotected vaginal sex | 43.5 (30.7) | 43.5 (29.5) | 0.86 |
| Average USD earned for sex WITH a condom | 28.9 (26.9) | 26.3 (21.8) | 0.70 |
| Average USD earned for sex WITHOUT a condom | 47.4 (74.9) | 35.7 (28.6) | 0.15 |
| Used condoms for vaginal sex with male clients‡, % | 0.66 | ||
| never/sometimes | 463 (57) | 51 (54) | |
| often/always | 355 (43) | 43 (46) | |
|
| |||
|
Substance Use
| |||
| Used alcohol before/during sex†, % | 0.44 | ||
| never/sometimes | 631 (77) | 76 (81) | |
| often/always | 188 (23) | 18 (19) | |
| Used illegal drug before/during sex†, % | <0.001 | ||
| never/sometimes | 717 (88) | 64 (69) | |
| often/always | 101 (12) | 29 (31) | |
| Ever been an IDU, % | 128 (16) | 34 (36) | <0.001 |
| Ever shared needles/injection equipment, % | 103 (13) | 26 (28) | <0.001 |
| Injected drugs†, % | 144 (18) | 37 (39) | <0.001 |
| Injected cocaine†, % | 52 (7) | 6 (7) | 0.99 |
| Injected heroin†, % | 110 (14) | 31 (33) | <0.001 |
| Injected methamphetamine†, % | 25 (3) | 4 (4) | 0.53 |
| Injected speedball†, % | 52 (6) | 11 (12) | 0.08 |
| Number of IDU sex partners† | 0.8 (4.1) | 0.5 (1.1) | 0.32 |
| Male clients‡ who ever injected drugs, % | 262 (39) | 27 (31) | 0.20 |
| Shared needles with clients†, % | 17 (2) | 3 (3) | 0.45 |
|
| |||
|
Male Client Characteristics
| |||
| Number of male clients‡ | 332 (320.1) | 382.7 (371.5) | 0.24 |
| Number of regular male clients† | 5.8 (9.2) | 7.1 (11) | 0.12 |
| Times you had vaginal sex with regular male clients | 19.2 (23.5) | 21.4 (19.5) | 0.08 |
| Number of non-regular male clients† | 39.9 (48) | 34 (40.5) | 0.37 |
| Times you had vaginal sex with non-regular clients | 43.6 (50.7) | 37.7 (42.6) | 0.38 |
| Had any U.S. clients, % | 547 (67) | 79 (84) | <0.001 |
|
| |||
|
STI Status
| |||
| HIV, % | 37 (4) | 16 (17) | <0.001 |
| Chlamydia, % | 85 (12) | 18 (22) | 0.01 |
| Gonorrhea, % | 32 (4) | 18 (22) | <0.001 |
Univariate Statistics include Mean (SD) and Wilcoxon Test p-value for continuous variables. N (%) and Fisher Exact Test p-value for categorical variables. Categorical variables denoted with %
†
in the past month
‡
in the past 6 months