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Table 1. 
Behavioral and demographic summary statistics.
 Healthy subjects (N = 134, 62 females)
MeanSDMedianMinMaxVIFCorrelation with age (r)Gender difference (t)
Age 24 25 20 40 – – −0.464 
PosUrg 1.9 0.5 1.9 2.5 0.07 0.13 
NegUrg 2.2 0.5 2.2 1.2 3.3 2.3 −0.01 2.91* 
Premed 0.4 1.1 1.3 −0.02 −0.74 
Persev 0.5 1.9 3.2 1.36 0.04 −1.54 
SenSeek 2.8 0.6 2.8 1.4 1.13 −0.18 −3.32** 
BIS 20.5 3.1 21 12 28 1.15 −0.0.1 4.7** 
BAS 37.2 3.7 37 28 47 1.22 0.0.1 0.45 
 Healthy subjects (N = 134, 62 females)
MeanSDMedianMinMaxVIFCorrelation with age (r)Gender difference (t)
Age 24 25 20 40 – – −0.464 
PosUrg 1.9 0.5 1.9 2.5 0.07 0.13 
NegUrg 2.2 0.5 2.2 1.2 3.3 2.3 −0.01 2.91* 
Premed 0.4 1.1 1.3 −0.02 −0.74 
Persev 0.5 1.9 3.2 1.36 0.04 −1.54 
SenSeek 2.8 0.6 2.8 1.4 1.13 −0.18 −3.32** 
BIS 20.5 3.1 21 12 28 1.15 −0.0.1 4.7** 
BAS 37.2 3.7 37 28 47 1.22 0.0.1 0.45 

Note. SD: standard deviation, VIF: variance inflation factor, r: Pearson’s correlation, t: student’s t, PosUrg: positive urgency, NegUrg: negative urgency, Premed: lack of premeditation, Persev: lack of perseverance, SenSeek: sensation seeking, BIS: behavioral inhibition system, BAS: behavioral approach system. * p < 0.05 , ** p < 0.01.

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