. Author manuscript; available in PMC: 2018 Nov 1.

Published in final edited form as: J Addict Med. 2017 Nov-Dec;11(6):461–467. doi: 10.1097/ADM.0000000000000346

Table 2.

Unadjusted and Adjusted Odds Ratios Estimating the Associations of Background Characteristics with Self-Reported SSTI (N = 143).

	Unadjusted		Adjusted
	OR (95% CI)	z (p = )	OR (95% CI)	z (p = )
Years Age	0.99 (0.96; 1.03)	−0.30 (.763)	1.03 (0.97; 1.08)	0.89 (.374)
Female	0.80 (0.40; 1.62)	−0.61 (.539)	0.77 (0.29; 2.05)	−0.52 (.606)
Non-Latino Caucasian	1.29 (0.64; 2.58)	0.72 (.473)	0.97 (0.39; 2.41)	−0.06 (.953)
Education (HS+)	2.43 (1.20; 4.90)	2.47 (.014)	4.81 (1.89; 12.3)	3.29 (.001)
Homelessness (Past 90 Days)	0.78 (0.39; 1.56)	−0.72 (.474)	0.52 (0.22; 1.27)	−1.43 (.153)
HIV+	0.74 (0.29; 1.88)	−0.63 (.526)	0.87 (0.22; 1.27)	−0.19 (.847)
AUDIT-C Positive	0.72 (0.36; 1.47)	−0.89 (.371)	0.47 (0.19; 1.17)	−1.62 (.104)
Cocaine Use (Past 90 Days)	1.77 (0.83; 3.78)	1.47 (.143)	1.39 (0.50; 3.91)	0.63 (.529)
Opiate Dependence Severity^a	0.98 (0.69; 1.38)	−0.13 (.898)	0.87 (0.56; 1.37)	−0.59 (.556)
Age Initiated Drug Injection	0.99 (0.96; 1.03)	−0.32 (.747)	1.00 (0.95; 1.05)	0.02 (.985)
Total # Injections (Past 90 Days)^b	2.46 (1.62; 3.73)	4.25 (<.001)	2.21 (1.35; 3.62)	3.15 (.002)
BIRSI	1.71 (1.26; 2.31)	3.49 (<.001)	1.87 (1.22; 2.85)	2.88 (.004)

Standardized to 0 mean and unit variance. The associated coefficients give the expected change in the odds of SSTI for a 1 SD increase opiate dependence severity.

Log transformed.