Table 2:

Negative Binomial Regression Model Estimating the Adjusted Association of Skin Popping with the Number of Self-Reported Skin Infections in the Past Year (n = 251).

	IRR	(95% CI)	z (p = )
Gender (Male)	0.76	(0.52; 1.10)	−1.47 (.142)
Race (White)	0.86	(0.56; 1.31)	−0.72 (.470)
Ethnicity (Latinx)	1.01	(0.64; 1.60)	0.04 (.966)
Years IDU	1.01	(1.00; 1.03)	1.55 (.120)
Knowledge	0.94	(0.79; 1.11)	−0.78 (.435)
Log(Total Injection Frequency)	1.28	(1.06; 1.55)	2.52 (.012)
HIV+ (Yes)	0.68	(0.38; 1.22)	−1.29 (.199)
Muscled (Yes)	1.22	(0.86; 1.73)	1.10 (.273)
Skin Popping (Yes)	1.96	(1.38; 2.78)	3.77 (<.001)
Constant	0.46