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. 2015 Feb 18;10(2):e0116464. doi: 10.1371/journal.pone.0116464

Table 1. Mean sample characteristics and performance in the AAT.

Group
Smokers Non-Smokers Statistical value F p-value
N 90 49 - -
Age 26.63 (6.34) 23.33 (3.44) 11.43 <.001
Gender (%female) 44% 59% 2.77 .1
Depression 3.19 (3.48) 1.71 (1.68) 7.72 <.01
Anxiety 3.09 (2.8) 1.94 (1.73) 6.75 <.01
Stress 7.14 (4.3) 4.81 (3.14) 10.96 <.001
FTND-Score 3.38 (2.3) - - -
0–10 smoked cigarettes/day 38% - - -
11–20 smoked cigarettes/day 51% - - -
21–30 smoked cigarettes/day 8% - - -
>31 smoked cigarettes/day 3% - - -
Craving 2.58 (1.41) 0 160.6 <.001
Error rate in AAT (%) 8% (5) 11%(6) 10.48 <.01
Pull 619 (118) 590 (97) 2.17 .14
Push 621 (110) 599 (91) 1.43 .23
Global smoking attitude −.16(.54) −1.87(.67) 271.04 <.001

Note. N = number of participants; FTND-Score = Score in Fagerström Test for Nicotine Dependence; standard deviations are given in parentheses; variables were analyzed with one-way-ANONA, (F1,137); all p values are two-tailed.