Table 3.

Interaction effects from regression model examining the effects of reward-based decision-making, drug class, and their interactions on pathological gambling.

	β	t	p
HEROIN USER INTERACTIONS
Iowa gambling task	0.006	0.078	0.938
CGT quality of decisions	0.021	0.051	0.959
CGT risk adjustment	−0.002	−0.018	0.985
CGT delay aversion	−0.054	−0.290	0.772
CGT deliberation time	−0.055	−0.240	0.811
CGT risk taking	0.124	0.353	0.724
AMPHETAMINE USER INTERACTIONS
Iowa gambling task	0.003	0.047	0.963
CGT quality of decisions	−0.191	−0.381	0.704
CGT risk adjustment	−0.117	−0.942	0.347
CGT delay aversion	−0.191	−0.381	0.704
CGT deliberation time	−0.286	−1.16	0.246
CGT risk taking	−0.761	−2.11	0.036
POLYSUBSTANCE USER INTERACTIONS
Iowa gambling task	0.224	3.04	0.003
CGT quality of decisions	−0.754	−1.70	0.091
CGT risk adjustment	−0.022	−0.203	0.839
CGT delay aversion	−0.203	−1.21	0.226
CGT deliberation time	0.000	0.002	0.999
CGT risk taking	−0.359	−0.967	0.334

CGT, Cambridge Gambling Task.