Table 2.

Predicting change in carbon monoxide levels from Baseline to Abstinence and Return-to-Baseline phases using measures of impulsive behavior.

	Condition	Measure†	Phase	Measure† × Phase	Measure† × Condition	Condition × Phase	Measure† × Condition × Phase
Breath carbon monoxide
Go/Stop task: stop signal delay, F	2.01	< 0.01	< 0.01	0.13	0.87	0.40	0.71
Delay Discounting: AUC, F	3.50	0.87	0.40	<0.01	4.62*	1.20	1.21
Continuous Performance Task: omissions, F	2.31	< 0.01	0.13	< 0.01	0.86	0.11	0.03
Barratt Impulsiveness Scale—Adolescent, F	3.11	0.99	1.94	1.71	0.99	4.45*	4.72*
Treatment adherence
Go/Stop task: SSRT, F	7.80**	0.56	—	—	0.60	—	—
Delay Discounting: AUC, F	9.82**	15.61***	—	—	0.07	—	—
Continuous Performance Task: omissions, F	0.38	0.13	—	—	2.53	—	—
Barratt Impulsiveness Scale—Adolescent, F	1.01	0.19	—	—	0.08	—	—

^“—”= not applicable” for that model; AUC = area under the curve;

^†= Impulsive behavior measure for that respective row; All values displayed are F values;

^*p ≤ .05,

^**p ≤ .01,

^***p ≤ .001.