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. 2016 Nov 28;6:37816. doi: 10.1038/srep37816

Table 1. Demographic and Behavioral Data.

    N Mean SD Max Min Normality (P)a
Demographic
Gender Female 18          
  Male 18          
Age Total   28.1 5.3 46 21  
  Female   28.2 6.5 46 21  
  Male   27.9 4.0 38 23  
Education University/Postgraduate Degree 36          
Behavioral
Prior Pain Experience
 Toothache     6.4 2.8 10 0  
 Headache     6.8 1.9 10 2  
 Stomach ache     6.2 2.6 10 0  
 Imagined Pain Relief              
 ΔP9 → 0     98.6 2.9 100 90  
 ΔP9 → 3     79.9 8.8 100 60  
 ΔP9 → 6     57.9 16.5 87 20  
Risk Preference Index (RPI)
 RPITOTAL     0.63 0.17 1.0 0.3 0.20
 RPIANE     0.60 0.28 1.0 0 0.18
 RPIADE     0.64 0.28 1.0 0  
 RPITE     0.65 0.24 1.0 0.2  
 Fear of Pain     28.5 4.6 36 18 0.18
 Pain Catastrophizing     21.6 9.0 38 5 0.20
 Trait Anxiety     45.4 5.8 56 28 0.20

N, number of participants; SD, standard deviation.

aData was considered normally distribution based on the Kolmogorov-Smirnov test, P > 0.1. For the assessment of Fear of Pain, Pain Catastrophizing and Trait Anxiety, see Supporting Information.