Table 1: Participant demographicsab.

Sub. Age Sex FTND Cigs/day Yrs smoked BDI PTSD(CAPS)   Psychiatric history Trauma event Drug dep. hx P-1 27 F 5 10 9 1 Yes MDD, OCD, Adjustment disorder Witness to assault Alcohol P-2 41 F 3 20 25 11 Yes None Death of daughter None P-3 28 F 8 50 11 24 Yes Agoraphobia, specific phobia (heights), MDD Children removed by social services None P-4 31 F 6 15 15 9 Yes MDD Child sexual abuse C-1 68 F 5 60 49 2 No MDD Death of husband Alcohol C-2 27 M 4 15 8 0 No None Hurricane None C-3 28 F 3 13 12 1 No None None None C-4 43 F 10 39 31 10 No Subthreshold OCD Death of friend None

aPTSD group subjects are denoted as de-identified subject numbers P-1 through P-4. bControl group subjects are denoted as de-identified subject numbers C-1 through C-4.