Peer victimization, depressive symptoms and non-suicidal self-injury behavior in Chinese migrant children: the roles of gender and stressful life events

Figures & data

Figure 1 Hypothesized model of the relationship among peer victimization, non-suicidal self-injury, depressive symptoms and stressful life events for both girls and boys.

Table 1 Correlations, means, and standard deviations among the study variables (N=650)

Variable	Mean (SD)	1	2	3	4
1. Peer victimization	1.41 (0.45)	1
2. Non-suicidal self-injury (NSSI)	1.10 (0.32)	0.32**	1
3. Depressive symptoms	1.76 (0.47)	0.50**	0.37**	1
4. Stressful life events	0.73 (0.41)	0.51**	0.35**	0.52**	1

Note: **p<0.01.

Table 2 Correlations, means, and standard deviations among the study variables by gender (N=650)

Variable	1	2	3	4	5	6
Girls
1. Age	1
2. Length of residence in city	−0.12*	1
3. Peer victimization	−0.02	0.04	1
4. Non-suicidal self-injury (NSSI)	0.04	0.07	0.40**	1
5. Depressive symptoms	0.08	−0.01	0.51**	0.48**	1
6. Stressful life events	0.18**	−0.11	0.52**	0.40**	0.53**	1
M	11.72	5.93	1.37	1.12	1.75	0.71
SD	1.19	1.92	0.44	0.39	0.49	0.41
Boys
1. Age	1
2. Length of residence in city	−0.09	1
3. Peer victimization	−0.09	−0.01	0.1
4. NSSI	0.00	0.04	0.26**	0.1
5. Depressive symptoms	0.05	−0.04	0.49**	0.22**	1
6. Stressful life events	0.24**	−0.10	0.50**	0.30**	0.51**	1
M	11.96	5.80	1.45	1.07	1.77	0.75
SD	1.21	1.84	0.46	0.23	0.46	0.41

Notes: *p<0.05, **p<0.01.

Figure 2 The mediating model of depressive symptoms in the relationship between peer victimization and non-suicidal self-injury among girls. ***p<0.001.

Figure 3 Peer victimization, depressive symptoms, stressful life events and non-suicidal self-injury among girls. **p<0.01, ***p<0.001.

Figure 4 Stressful life events as a moderator of the relationship between depressive symptoms and non-suicidal self-injury among girls.

Figure 5 Stressful life events as a moderator of the relationship between peer victimization and non-suicidal self-injury among girls.

Figure 6 Moderating effect of stressful life events on the relationship between peer victimization and non-suicidal self-injury among boys.

Table 3 Hierarchical multiple regression analyses to test the moderating effects of stressful life events on the relationship between peer victimization and non-suicidal self-injury (NSSI) among boys

Variables	Non-suicidal self-injure
	B	SE	β	ΔR2
	Moderator: Stressful life events
Step 1 (control variables)				0.00
Age	0.00	0.01	−0.02
Length of residence in city	0.01	0.01	0.08
Step 2				0.10***
Peer victimization	0.03*	0.04	0.05
Stressful life events	0.13**	0.05	0.21
Step 3				0.14***
Peer victimization × Stressful life events	0.22***	0.07	0.24

Notes: *p<0.05, **p<0.01, ***p<0.001.