Table 1.

Demographics, baseline and clinical characteristics. All adolescents took part in a pre-treatment fMRI (n=28). A subset of adolescents took part in both pre- and post-treatment fMRI (n=14), and demographics are also reported for this overlapping subset.

Demographic			Pre-fMRI only	Pre/post subset
Age – years			17.1 ± 1.2	17 ± 1.3
Sex	Male		18	9
	Female		10	5
Baseline urinary cotinine – ng/ml			876.6 ± 458.1	740.2 ± 342.3
Cigarettes per day			14.1 ± 8.1	14.1 ± 9.1
Age of initiation – years			12.1 ± 2.4	12.0 ± 2.9
mFTQ			3.38 ± 1.4	3.23 ± 1.58
BIS			18.9 ± 3.34	18 ± 3.7
BAS			41.7 ± 4.97	40.5 ± 5.6
Patch No			7	3
	Placebo		10	0
	Yes		11	11
Completed treatment		No	6	0
		Yes	22	14
Percent days of abstinence				70.7 ± 30.8

mFTQ, modified Fagerström Tolerance Questionnaire (Prokhorov et al., 2001); BAS, behavioral activation system score; BIS, behavioral inhibition system score.