Table 3.

Logistic regression examining correlates of past-year kratom use (N = 478).

	Model 1*			Model 2*
	Std. Coef	AOR (95% CI)	p-value	Std. Coef.	AOR (95% CI)	p-value
Age	−0.04	0.96 (0.92–1.00)	0.08	−0.03	0.97 (0.93–1.01)	0.12
Heroin use	0.92	2.51 (1.12–5.65)	0.03	0.69	2.00 (0.86–4.63)	0.10
Prescription opioid use	−0.23	0.80 (0.36–1.78)	0.58	−0.51	0.60 (0.26–1.39)	0.23
Marijuana use	0.47	1.60 (0.72–3.57)	0.24	0.42	1.52 (0.68–3.42)	0.31
Cocaine use	0.20	1.23 (0.65–2.31)	0.53	0.20	1.22 (0.64–2.30)	0.55
Amphetamines use	1.04	2.82 (1.00–7.97)	0.05	0.75	2.11 (0.72–6.21)	0.17
Non-prescribed buprenorphine use	-	-	-	1.16	3.20 (1.32–7.77)	0.01

Notes: AOR = Adjusted Odds Ratio

^*Model 1 examined demographic and polydrug-use correlates of past-year kratom use. Model 2 added past-year non-prescribed buprenorphine as a mediator.