Table 2.

Prevalence and risk factors for transactional sex among female noninjecting illicit drug users.

Variables	Transactional sexa		Crude PRd (95% CI)e	p	Adjustedf PRd (95% CI)e	p
	Pos.b/totalc	%
Age (years)			0.99 (0.99–1.00)	0.383	1.00 (0.99–1.01)	0.621
History of homelessnessg
No	19/42	45.2	1.00		1.00
Yes	10/13	76.9	1.21 (1.03–1.54)	0.034	1.18 (1.01–1.38)	0.041
Marijuana useh
No	4/14	28.6	1.00		1.00
Yes	25/41	61.0	1.25 (1.01–1.54)	0.034	1.09 (0.85–1.41)	0.462
Intranasal cocaine useh
No	10/23	43.5	1.00
Yes	19/32	59.4	1.11 (0.92–1.32)	0.249
Crack useh
No	2/10	20.0	1.00		1.00
Yes	27/45	60.0	1.33 (1.06–1.67)	0.013	1.30 (1.04–1.64)	0.021
Inhalant useh
No	19/40	47.5	1.00
Yes	10/15	66.7	1.12 (0.94–1.35)	0.181
LSD useh
No	27/50	54.0	1.00
Yes	2/5	40.0	0.90 (0.65–1.25)	0.562
Ecstasy useh
No	25/49	51.0	1.00
Yes	4/6	66.7	1.10 (0.86–1.41)	0.434
Tobacco useh
No	2/3	66.7	1.00
Yes	27/52	51.9	0.91 (0.65–1.27)	0.588
Binge drinkingh
No	3/7	42.9	1.00
Yes	36/48	54.2	1.07 (0.81–1.42)	0.587
Condom use with casual partnersa
Always	4/5	80.0	1.00
Never or sometimes	19/28	67.9	0.93 (0.74–1.16)	0.541
Sex under the influence of alcohola
No	5/13	38.5	1.00
Yes	24/41	58.5	1.14 (0.92–1.42)	0.218
Sex under the influence of drugsa
No	2/11	18.2	1.00		1.00
Yes	26/42	61.9	1.36 (1.10–1.69)	0.004	1.29 (1.01–1.65)	0.039
Sex with injecting drug usersa
No	25/47	53.2	1.00
Yes	4/8	50.0	0.97 (0.76–1.25)	0.870
Sexual violencea
No	10/29	34.5	1.00		1.00
Yes	18/25	72.0	1.27 (1.08–1.50)	0.004	1.22 (1.03–1.45)	0.022
STI historya
No	22/44	50.0	1.00
Yes	7/11	63.6	1.09 (0.89–1.33)	0.397

^aIn the previous 12 months; ^bpositive; ^cthe denominator reflects the number of valid responses; ^dprevalence ratio; ^e95% confidence interval; ^fadjusted for age, history of homelessness, marijuana use, crack use, sex under the influence of illicit drugs, and sexual violence; ^gin the previous six months; ^hin the previous 30 days.