Table 2.

Clinical characteristics of the sample

	Total sample (N = 491)	BSNAS − (N = 119)	BSNAS + (N = 372)	p-values
DASS-21 total score, mean ± SD	60.1 ± 12.8	67.0 ± 12.2	57.9 ± 12.2	t = 7.100 p < 0.001
DASS-21, depression subscale, mean ± SD	20.1 ± 5.4	22.3 ± 5.2	19.3 ± 5.3	t = 5.891 p < 0.001
DASS-21, anxiety subscale, mean ± SD	23.1 ± 4.7	25.2 ± 3.4	22.4 ± 4.9	t = 5.816 p < 0.001
DASS-21, stress subscale, mean ± SD	16.9 ± 5.3	19.5 ± 5.5	16.1 ± 4.9	t = 6.324 p < 0.001
BIS-15 total score, mean ± SD	39.1 ± 7.6	36.9 ± 7.6	39.7 ± 7.5	t = − 3.603 p < 0.001
BIS-15, attentional Impulsiveness subscale, mean ± SD	11.1 ± 3.5	10.2 ± 3.3	11.3 ± 3.5	t = − 3.234 p < 0.001
BIS-15, motor Impulsiveness subscale, mean ± SD	12.8 ± 4.6	11.7 ± 4.9	13.1 ± 4.4	t = − 2.898 p = 0.007
BIS-15, nonplanning impulsiveness subscale, mean ± SD	10.8 ± 2.4	10.7 ± 2.5	10.8 ± 2.4	t = − 0.372 p = 0.715
AQ total score, mean ± SD	98.9 ± 15.3	106.9 ± 15.2	96.4 ± 14.4	t = 6.882 p < 0.001
AQ, physical aggression subscale, mean ± SD	34.7 ± 5.0	35.8 ± 4.1	34.3 ± 5.2	t = 2.733 p = 0.002
AQ, verbal aggression subscale, mean ± SD	13.3 ± 3.9	14.5 ± 4.3	12.9 ± 3.7	t = 3.812 p < 0.001
AQ, anger subscale, mean ± SD	25.2 ± 5.0	27.4 ± 5.0	24.6 ± 4.8	t = 5.521 p < 0.001

AQ Aggression Questionnaire, BIS-15 Barratt Impulsiveness Scale-15 items, BSNAS Bergen Social Networking Addiction Scale, BSNAS + presence of social networking addiction, BSNAS − absence of social networking addiction, DASS-21 depression anxiety stress scale-21 items, SD standard deviation

^*t-Student test

Significant differences are in bold