Table 2.
Intervention endpoints across baseline and follow-up, and attrition analysis
| Full samplen = 60 | Retained n = 39 |
Lost to follow-up n = 21 |
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|---|---|---|---|---|---|---|
| Baseline % (mean,±sd) | Baseline % (mean,±sd) | Follow-up % (mean,±sd) | p value§ | Baseline % (mean,±sd) §§ | Attrition analysisp value§§ | |
| SHORT TERM OUTCOMES | ||||||
| Attitudes | ||||||
| Recognition of abuse (possible range 6–24) | (9.2, ± 3.9) | (9.3, ±4.2) | (10.0,± 4.6) | 0.22 | (9.0,± 3.2) | 0.80 |
| Sex work-specific rape myths (possible range 11–55) | (24.1,± 6.8) | (24.0, ± 7.4) | (21.9,± 7.6) | 0.11 | (24.2 ± 5.8) | 0.91 |
| Safety behavior | ||||||
| Sex work safety behavior scale (possible range 16–80) | (52.5,± 13.8) | (51.2,± 13.8) | (58.1,± 12.7) | <0.001 | (54.7,± 14.8) | 0.36 |
| Knowledge and use of support servicesa | ||||||
| Knowledge of intimate partner violence support programs | 88.1 | 92.1 | 89.5 | 0.56 | 81.0 | 0.21 |
| Use of intimate partner violence support programs | 11.9 | 10.5 | 28.9 | <.01 | 14.3 | 0.67 |
| Knowledge of trafficking-related support programs | 40.7 | 43.2 | 67.6 | 0.05 | 33.3 | 0.39 |
| Use of trafficking-related support programs | 3.4 | 2.6 | 21.1 | <.01 | 4.8 | 0.67 |
| Knowledge of sexual violence support programs | 32.2 | 28.9 | 76.3 | <0.001 | 38.1 | 0.47 |
| Use of sexual violence support programs | 3.4 | 2.6 | 26.3 | <0.01 | 4.8 | 0.67 |
| Knowledge of programs to help report violence to police** | -- | -- | 68.4 | -- | -- | -- |
| Use of police reporting assistance support programs** | -- | -- | 28.9 | -- | -- | -- |
| LONG TERM GOALS | ||||||
| HIV Risk Behavior | ||||||
| Avoidance of client condom negotiation (possible range 1–5) | (2.0,± 1.3) | (2.0,± 1.4) | (1.4,± 0.8) | 0.04 | (2.0,± 1.4) | 0.89 |
| Frequency of sex with clients under the influence of drugs or alcohol (possible range 1–5) | (4.5,± 0.9) | (4.4,± 0.9) | (4.0 ± 1.4) | 0.04 | (4.7,± 0.6) | 0.18 |
| Any vaginal sex with clients, past 30 days | 98.2 | 97.4 | 89.5 | 0.08 | 100.0 | 0.48 |
| Any unprotected vaginal sex with clients, past 30 days | 34.6 | 33.3 | 36.4 | 0.76 | 36.8 | 0.80 |
| Any anal sex with clients, past 30 days | 41.4 | 35.1 | 32.4 | 0.76 | 52.4 | 0.20 |
| Any unprotected anal sex with clients, past 30 days | 15.8 | 33.3 | 50.0 | 0.32 | 55.6 | 0.80 |
| Physical and sexual violence | ||||||
| Client violence, past 3 months | 30.0 | 28.2 | 43.6 | 0.03 | 33.3 | 0.68 |
| Intimate partner violence, past 3 months (n = 23 with a partner) | 57.1 | 52.9 | 47.1 | 0.65 | 42.9 | 0.60 |
| Mental health | ||||||
| PTSD (possible range 17–85) | (51.5 ± 20.7) | (51.4 ± 19.9) | (49.8 ± 20.4) | 0.61 | (51.6 ± 22.8) | 0.97 |
| Depressive symptoms (CESD;possible range 0–30) | (18.9 ± 7.6 | (18.9 ± 7.9) | (18.4 ± 7.8) | 0.70 | (18.9 ± 7.5) | 0.99 |
§baseline values compared with follow-up values via paired t-test for continuous measures, McNemar’s Test for binary outcomes
§§baseline values compared with that of retained sample via two-sample t-test for continuous measures, chi-2 test for binary outcomes
aBaseline assessment refers to lifetime knowledge or use; follow-up assessment refers to knowledge or use since the baseline survey
**assessed only at follow-up
boldface indicates statistical significance at p < 0.05