Table 4. Multinomial regression models testing the association between trait and cognitive impulsivity and smoking cessation treatment dropout and relapse at the 3-month, 6-month and 12-month endpoints.

Impulsivity Predictors	Three months						Six months						Twelve months
	Dropout			Relapse			Dropout			Relapse			Dropout			Relapse
	Wald	p	95% CI	Wald	p	95% CI	Wald	p	95% CI	Wald	p	95% CI	Wald	p	95% CI	Wald	p	95% CI
Motor	1.33	.249	.95–1.24	0.000	.998	.86–1.16	1.14	.285	.93–1.30	0.01	.916	.86–1.19	4.21	.040*	1.01–1.56	1.21	.272	.92–1.36
Attention	0.54	.462	.93–1.18	2.32	.128	.97–1.24	0.77	.381	.92–1.24	3.16	.076	.99–1.29	0.05	.829	.87–1.19	0.01	.907	.88–1.16
Planning	6.02	.014*	1.03–1.25	5.34	.021*	1.02–1.25	4.69	.030*	1.01–1.26	4.19	.041*	1.01–1.23	0.86	.355	.93–1.21	2.52	.112	.98–1.22
DDT	0.63	.429	.05–3.53	2.91	.088	.75–61.72	0.000	1	.09–10.94	2.98	.084	.76–71.61	0.06	.811	.12–14.92	3.01	.083	.78–60.66
GNG	0.05	.829	.93–1.06	0.002	.964	.94–1.07	0.91	.340	.90–1.04	0.91	.341	.91–1.03	0.42	.520	.90–1.06	0.008	.931	.93–1.07
IGT	0.46	.497	.97–1.01	1.77	.184	.97–1.01	1.18	.278	.96–1.01	5.07	.024*	.95–1.0	0.49	.485	.97–1.02	2.87	.090	.96–1.00

*p<0.05. DDT, Delay Discounting Task; GNG, Go No-Go Task; IGT, Iowa Gambling Task.