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. 2019 Apr 8;14(4):e0214252. doi: 10.1371/journal.pone.0214252

Table 1. Baseline sociodemographic, smoking-related variables and depression-related variables by trial condition.

SCBSCT-BA
(n = 110)
SCBSCT
(n = 109)
WL
(n = 56)
Mean/n
(SD/%)
Mean/n
(SD/%)
Mean/n
(SD/%)
Age (years) 45.24 (11.2) 44.61 (10.7) 47.07 (10.6)
Gender
        Female 67 (60.9) 69 (63.3) 33 (58.9)
Marital status
        Married/living with a partner 52 (47.3) 59 (54.1) 29 (51.8)
        Single 36 (32.7) 32 (29.4) 14 (25.0)
        Divorced/separated/widowed 22 (20.0) 18 (16.5) 13 (23.2)
Education
        < HS diploma 19 (17.3) 26 (23.9) 14 (25.0)
        HS diploma or GED 42 (38.2) 41 (37.6) 22 (39.3)
        College or technical school 49 (44.5) 42 (38.5) 20 (35.7)
Current work situation
        Working (yes) 65 (59.1) 63 (57.8) 34 (60.7)
Cigarettes smoked per day 18.85 (7.3) 19.33 (7.4) 19.03 (7.2)
Nicotine content (mg) 0.75 (0.1) 0.74 (0.1) 0.72 (0.2)
Age began daily smoking 18.03 (3.2) 18.31 (3.7) 18.36 (3.6)
Years smoking 26.75 (11.2) 25.24 (11.6) 27.88 (11.3)
Baseline Carbon Monoxide (ppm) 19.22 (8.7) 18.50 (7.2) 17.66 (7.6)
FTCD 4.59 (2.1) 4.95 (2.2) 4.85 (2.1)
Past Depression Treatment (yes) 44 (40.0) 52 (47.7) 23 (41.1)
Current Depression Treatment (yes) 19 (17.3) 20 (18.3) 10 (17.9)
BDI-II 10.27 (8.4) 10.73 (9.6) 10.86 (9.7)

Abbreviations: SCBST-BA = Standard cognitive-behavioral smoking cessation treatment plus BA; SCBST = Standard cognitive-behavioral smoking cessation treatment; WL = wait list; HS = high school; GED = general education diploma; FTCD = Fagerström Test for Cigarette Dependence; BDI-II; Beck Depression Inventory.