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. 2017 Nov 30;12(11):e0188153. doi: 10.1371/journal.pone.0188153

Table 1. Descriptive statistics for socio-demographic variables and each scale.

Variables Items Mean SD Range α
Age 33.64 11.59 (16, 75)
Years of education 12.82 3.16 (2, 19)
Personality
    Extraversion 8 25.16 4.15 (12.00, 37.63) .44
    Openness 10 32.64 5.28 (13.00, 50.00) .64
    Neuroticism 8 20.83 5.02 (9.00, 38.00) .65
    Normlessness 4 8.90 2.77 (4.00, 17.00) .41
    Altruism 10 39.67 5.10 (20.00, 50.00) .71
PSS 10 26.19 4.87 (10.00, 40.00) .69
PBS
    Positive behaviors 5 17.88 3.98 (7.00, 25.00) .70
    Transgression 6 11.21 3.65 (6.00, 25.00) .71
    Aggressive behaviors 4 5.75 2.47 (4.00, 16.00) .77
    Lapses 3 5.84 2.05 (3.00, 15.00) .49

Notes: PSS = Perceived Stress Scale; PBS = Pedestrian Behavior Scale.