Table 2.

The descriptive statistics of trait scales.

Scales	Mean(SD)	Range
EQ	34.00 (8.54)	17–58
BPAQ	57.30 (10.90)	32–80
PSQI_GlobalScore	5.00 (2.46)	0–12
PSQI_Item1	1.01 (0.83)	0–3
PSQI_Item2	1.00 (0.92)	0–3
PSQI_Item3	0.46 (0.61)	0–2
PSQI_Item4	0.30 (0.78)	0–3
PSQI_Item5	0.78 (0.49)	0–2
PSQI_Item6	0.00 (n.a.)	0
PSQI_Item7	1.43 (0.84)	0–3

n(EQ) = 56, n(BPAQ) = 55, n(PSQI) = 66, EQ: Empathy Quotient, BPAQ: Buss-Perry Aggression Questionnaire, PSQI: Pittsburgh Sleep Quality Index.