Association between selected risk factors and being “STI positive” (testing positive for Chlamydia, Gonorrhoea, Syphilis and/or Trichomoniasis) among female sex workers attending STI testing sites in Germany, 2010 (N=1142)
| STI positive (Chlamydia, Gonorrhoea, Syphilis and/or Trichomoniasis), N=233 | ||||
| NTotal | NPositive | OR (95% CI) | p Value | |
| German language | ||||
| Fluent (R) | 437 | 59 | 1 | |
| Medium | 301 | 34 | 0.82 (0.52 to 1.30) | 0.376 |
| Very poor / None | 375 | 135 | 3.60 (2.55 to 5.10) | 0.000 |
| Age | ||||
| Range 15–77 years | 1142 | 233 | 0.95 (0.93 to 0.97) | 0.000 |
| Health insurance | ||||
| No (R) | 450 | 138 | 1 | |
| Yes | 648 | 87 | 0.35 (0.26 to 0.47) | 0.000 |
| Meet clients on the street | ||||
| No (R) | 995 | 173 | 1 | |
| Yes | 101 | 43 | 3.52 (2.30 to 5.40) | 0.000 |
| Meet clients through internet or adds | ||||
| No (R) | 908 | 195 | 1 | 0.002 |
| Yes | 188 | 21 | 0.46 (0.28 to 0.74) | |
| Number of clients per week | ||||
| Range 1–75 | 270 | 37 | 1.02 (1.00 to 1.04) | 0.028 |
Explanatory factor included as continuous variable in logistic regression.
(R), Reference group.