Table 4.

Gender differences in the adjusted association between HIV risk norms and type of network members among IDUs, STEP study

Characteristics	Model B: number of friends have sex or turn tricks to get money or drugsa				Model D: number of drug buddies share needles with other peoplea
	Male (n = 514)		Female (n = 294)		Male (n = 513)		Female (n = 294)
	AORb	95%CI	AORb	95%CI	AORb	95%CI	AORb	95%CI
Injection risk network composition (Ref: Group 1: non-sharing drug users)
Group 4: multiple needle sharers	3.2**	1.6–6.4	0.8	0.4–1.6	2.2*	1.2–4.1	1.6	0.7–3.4
Group 3: one needle sharer	2.1	1.0–4.3	0.4*	0.2–0.9	1.1	0.5–2.3	0.8	0.3–1.8
Group 2: cooker sharer(s)	0.9	0.4–2.4	0.4*	0.1–0.9	0.3*	0.1–0.9	0.5	0.2–1.5
African-American					0.4**	0.2–0.7	0.4*	0.2–0.8
Age (Ref: 43 or younger)	0.5*	0.3–0.9	0.8	0.4–1.4	1.1	0.7–1.9	0.6	0.3–1.1
Married or in a committed relationship	0.7	0.4–1.5	0.6*	0.3–1.0
HS Diploma or GED
HIV status (self-report)
Homeless in past 6 months	1.4	0.8–2.3	2.9**	1.7–4.9	1.1	0.6–2.0	1.1	0.6–2.2
Unemployed in the past 6 months	0.5	0.2–1.1	0.6	0.2–1.8
Prison in the past 6 months
Attended shooting gallery in the past 6 months	1.6	1.0–2.8	3.5**	2.0–6.4	2.1**	1.2–3.6	2.6**	1.4–4.8
Smoked crack in the past 6 months	1.8*	1.0–3.2	2.1*	1.0–4.5	1.9*	1.1–3.4	0.9	0.4–1.8
Snorted or sniffed heroin in past 6 months	1.0	0.6–1.7	1.0	0.6–1.7
Snorted/smoked cocaine in the past 6 months

^aResponses dichotomized as all/most/half versus little/none

^bAOR refers to odds ratio adjusted for other covariates in the model

^*P < 0.05;

^**P < 0.01