Table 4. Bivariate and multivariate analysis of violent experiences and HIV/T. pallidum infection in FSWs recruited in nine cities of Argentina between 2006 and 2009.

		HIV infection			T. pallidum infection
		Frequency (%)	OR (95%CI)	aOR (95%CI)	Frequency (%)	OR (95%CI)	aOR (95%CI)
Sex abuse during the first sexual experience	Yes	0	–	–	29.1	1.7 (0.9–3.1)	1.2 (0.9–1.7)
	No	1.7			19.7
Sex abuse during lifetime	Yes	3.3	2.4 (0.9–6.6)	1.5 (0.9–2.5)	25.2	1.4 (0.9–2.1)	1.1 (0.9–1.4)
	No	1.4			19.7
Sex abuse during the first sexual experience OR during lifetime	Yes	2.7	2.1 (0.8–5.8)	1.4 (0.8–2.4)	24.3	1.3 (0.9–1.9)	1.1 (0.9–1.3)
	No	1.3			19.8
Have you been rejected because of your sex work activity?	Yes	3.5	3.6 (1.6–8.4)	1.8 (1.1–2.7)	23.1	1.1 (0.8–1.4)	1.0 (0.9–1.2)
	No	1.0			21.8
Have you been beaten because of your sex work activity?	Yes	3.0	1.9 (0.8–4.5)	1.2 (0.8–1.9)	25.1	1.2 (0.8–1.7)	1.0 (0.9–1.2)
	No	1.6			21.9
Have you been arrested because of your sex work activity?	Yes	3.2	4.4 (1.6–12.0)	1.8 (1.1–3.0)	29.5	2.1 (1.6–2.8)	1.5 (1.2–1.7)
	No	0.7			16.5
Number of violent experiences	0	0.4	1	1	17.3	1	1
	1	1.4	3.8 (0.4–33.8)	0.8 (0.3–2.3)	22.7	1.3 (0.9–1.9)	1.1 (0.8–1.5)
	2	2.2	5.9 (0.7–52.2)	1.3 (0.5–3.4)	20.9	1.2 (0.8–1.8)	0.9 (0.6–1.4)
	3	2.1	5.5 (0.5–60.4)	1.2 (0.3–4.2)	21.5	1.2 (0.7–2.1)	1.1 (0.7–1.8)
	4	5.4	14.1 (1.5–133.0)	2.9 (0.9–9.2)	29.2	1.7 (1.0–2.9)	1.1 (0.6–2.0)

aOR: adjusted by nationality (Argentinean vs. other), formal education level (primary or less vs. high school or more), age and place of work (street vs. other).