Protective role of perceived social support against adolescent self-injury addiction: Serial mediation of negative emotion and impulsivity

Table 1 Sociodemographic characteristics and scores on the addiction subscale of the Revised Chinese Version of Ottawa Self-injury Inventory in adolescents with non-suicidal self-injury behaviors (n = 102)

Sociodemographic characteristics	n (%)	ROSI-addiction	t/F	P value
Gender			1.20	0.234
Male	9 (8.82)	10.89 ± 4.94
Female	93 (91.17)	13.83 ± 7.19
Age (year)			1.02	0.309
12-14	32 (31.37)	14.63 ± 7.05
15-18	70 (63.52)	13.09 ± 7.05
Education level			0.40	0.693
Primary school student	49 (48.04)	13.86 ± 7.14
Junior high school student	53 (51.96)	13.30 ± 7.03
Primary caregivers			0.51	0.679
Parents	75 (73.53)	13.24 ± 7.09
Grandfather/mother	10 (9.80)	16.00 ± 7.35
Father only	8 (7.84)	14.37 ± 8.26
Mother only	9 (8.82)	12.89 ± 5.67
Others	-	-
Relationship of parents			0.07	0.976
Harmonious	70 (68.63)	13.36 ± 7.16
Disharmony	16 (15.69)	14.06 ± 6.74
Divorce	14 (13.73)	13.93 ± 7.25
Bereavement	2 (1.96)	14.50 ± 10.61
School bullying			3.38	0.021
Bully others	4 (3.92)	21.75 ± 2.22
Being bullied	26 (25.49)	12.50 ± 7.96
Bully others and being bullied	8 (7.84)	17.88 ± 5.79
Neither	64 (62.75)	12.95 ± 6.57
Diagnosis			1.52	0.189
Depressive disorder	73 (69.52)	13.56 ± 6.15
Bipolar disorder	16 (15.24)	13.25 ± 7.47
Anxiety disorder	5 (4.76)	15.40 ± 10.53
Obsessive-compulsive and related disorder	2 (1.90)	10.50 ± 0.71
Trauma and stressor-related disorders	7 (6.67)	14.29 ± 10.18
Disruptive, impulse-control and conduct disorder	2 (1.90)	12.50 ± 9.19

ROSI-addiction: Addiction subscale of the Revised Chinese Version of Ottawa Self-injury Inventory.