Table 3.

Unadjusted and adjusted association between HIV risk norms and type of network members among IDUs, STEP study

Characteristics	Model A: friends would disapprove if you were to have sex or turn a trick to get money or drugsa (n = 813)				Model B: number of friends have sex or turn tricks to get money or drugsa (n = 808)				Model C: drug buddies will give me a hard time if I share needles with other peopleb (n = 815)				Model D: number of drug buddies share needles with other peoplea (n = 807)
	Unadjusted		Adjusted		Unadjusted		Adjusted		Unadjusted		Adjusted		Unadjusted		Adjusted
	OR	95%CI	OR	95%CI	OR	95%CI	OR	95%CI	OR	95%CI	OR	95%CI	OR	95%CI	OR	95%CI
Injection risk network structure (Ref: Group 1: non-sharing drug users)
Group 4: multiple needle sharers	0.6**	0.4–0.9	0.7*	0.5–1.0	2.0**	1.3–3.1	1.6	1.0–2.5	0.5 **	0.4–0.8	0.7	0.5–1.0	2.7 **	1.7–4.2	1.9**	1.2–3.1
Group 3: one needle sharer	0.8	0.5–1.2	0.9	0.6–1.3	1.1	0.7–1.7	1.0	0.6–1.6	1.0	0.6–1.6	1.2	0.7–1.9	1.1	0.7–1.9	1.0	0.5–1.7
Group 2: cooker sharer(s)	0.8	0.5–1.2	0.8	0.5–1.1	0.5*	0.3–0.9	0.6	0.3–1.1	1.7*	1.0–2.8	1.8 *	1.1–3.0	0.4*	0.2–0.9	0.4*	0.2–0.9
Gender (Ref: male)	0.8	0.6–1.0	0.8	0.6–1.0	3.4**	2.4–4.8	4.0 **	2.6–6.1	1.1	0.8–1.6	1.1	0.8–1.5	1.5*	1.0–2.1	1.6 *	1.0–2.4
African-American	1.0	0.7–1.4			0.7	0.5–1.0			1.8 **	1.2–2.6	1.7*	1.1–2.5	0.3**	0.2–0.5	0.4 **	0.3–0.6
Age (Ref: 43 or younger)	1.1	0.8–1.4			0.5**	0.3–0.7	0.6 *	0.4–0.9	1.2	0.9–1.6			0.6**	0.4–0.9	0.8	0.6–1.2
Married or in a committed relationship	1.1	0.8–1.5			0.8	0.5–1.1	0.6 *	0.4–1.0	1.1	0.8–1.6			1.2	0.8–1.8
High school diploma or GED	0.9	0.7–1.2			0.8	0.6–1.2			1.2	0.9–1.6			1.0	0.7–1.4
HIV status (self-report)	0.9	0.6–1.3			1.0	0.6–1.6			0.7	0.4–1.0	0.5**	0.3–0.8	1.2	0.7–1.9
Homeless in the past 6 months	0.8*	0.6–1.0	0.8	0.6–1.1	2.1**	1.5–2.9	1.9 **	1.3–2.7	0.5 **	0.4–0.7	0.7*	0.5–0.9	1.7**	1.2–2.5	1.1	0.7–1.7
Unemployed in the past 6 months	0.8	0.5–1.3			0.9	0.5–1.8	0.5 *	0.2–0.9	0.5	0.3–1.0			1.2	0.6–2.3
Prison in the past 6 months	0.8	0.6–1.1			1.3	0.9–1.9			0.7 *	0.5–1.0	0.8	0.6–1.2	1.4	1.0–2.1
Attended shooting gallery in the past 6 months	0.8	0.6–1.0	0.8	0.6–1.1	2.3**	1.6–3.2	2.2 **	1.5–3.3	0.6**	0.4–0.8	0.8	0.5–1.1	2.6**	1.8–3.8	2.3**	1.5–3.5
Smoked crack in the past 6 months	0.8	0.6–1.1	0.8	0.6–1.1	2.6**	1.8–3.9	1.9**	1.2–3.0	0.7 *	0.5–0.9	0.8	0.5–1.2	1.7**	1.1–2.5	1.4	0.9–2.2
Snorted or sniffed heroin in past 6 months	0.9	0.7–1.2			1.6*	1.1–2.1	1.0	0.7–1.5	0.8	0.6–1.1			1.2	0.9–1.7
Snorted/smoked cocaine in the past 6 months	0.9	0.7–1.2			1.2	0.8–1.7			0.6 *	0.4–0.9	0.7*	0.5–1.0	1.4	0.9–2.1

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

^bResponses dichotomized as strongly agree/agree versus neither/disagree/strongly disagree

^*P < 0.05;

^**P < 0.01