Table 2.

Demographic and behavioral predictors for STI positivity among clients of FSW (n = 2664)

	Univariable regression analysis OR(95%CI)	Multivariable regression analysis OR(95%)
Age, median years (IQR)
< 25 years	ref	ref
25–44 years	0.5 (0.4–0.7)	0.6 (0.4–0.8)
> 45 years	0.5 (0.3.0.7)	0.5 (0.4–0.7)
Country of birth
Netherlands	ref	ns
Other	1.3 (0.9–1.8)
Number of sex partners last 6 months (FSW and non-FSW)
0–2	ref	ref
3–5	1.4 (1.0–1.9)	1.3 (0.9–1.8)
6–20	1.3 (0.9–1.9)	1.3 (0.9–1.9)
> 20	2.9 (2.0–4.4)	2.9 (1.9–4.4)
Condom used during last sexual contact
Yes	ref	ref
No	2.2 (1.6–2.9)	2.2 (1.6–2.9)
Country of FSW visit
Netherlands	ref	ref
Cross-border	1.7 (1.1–2.5)	1.7 (1.1–2.6)
Another country	0.8 (0.5–1.3)	0.8 (0.5–1.2)

ref reference, ns not significant

In bold: significant (p < 0.20 in univariable and p < 0.05 in multivariable analysis).