Table 2.

Predictors of illicit substance use probability and frequency

		B (SE)	Z Value	95% Confidence Interval
Logit Model					Odds Ratio
	Intercept	−2.23 (1.61)	−1.38
	Pain severity	−0.12 (0.11)	−1.03	−0.34, 0.11	0.89
	Mindfulness	0.46 (0.23)	1.99*	0.01, 0.92	1.59
	Age	−0.02 (0.02)	1.00	−0.02, 0.07	1.02
	Gender (female)	−0.35 (0.50)	−0.69	−1.33, 0.64	0.71
Negative Binomial Model					Incidence Rate Ratio
	Intercept	3.65 (0.83)	4.40
	Pain interference	0.04 (0.06)	0.69	−0.07, 0.15	1.04
	Pain acceptance	−0.00 (0.01)	−0.01	−0.02, 0.02	1.00
	Values success	−0.33 (0.11)	−3.13**	−0.54, −0.12	0.72
	Age	−0.002 (0.01)	−0.23	−0.02, 0.02	1.00
	Gender (female)	−0.31 (0.23)	−1.35	−0.75, 0.14	0.74

^*p < 0.05

^**p < 0.01