表 2. Differences in the edge weights of positive psychological resources networks between students with and without NSSI.

有无NSSI行为学生积极心理资源网络边权重差异

Education level	Edge	No NSSI weight	NSSI weight	E
E measures the magnitude of the difference in the edge weights of each edge in the network structures of students with and without NSSI. The larger its value, the more significant the difference in the relationship between the two variables represented by that edge.
Elementary school	Family function-self-esteem	0.34	0.25	0.093
	Family function-Objective support	0.14	0.23	0.087
Junior high	Objective support-subjective support	0.33	0.21	0.131
	Family function-Impulsivity control	0.19	0.10	0.109
	Conscientiousness-emotional stability	0.23	0.15	0.100
	Agreeableness-Emotional stability	0.26	0.15	0.085
	Family function-expressive suppression	0.08	0.01	0.084
	Self-esteem-Utilization of support	0.01	0.07	0.065
	Agreeableness-impulsivity control	0.03	0.07	0.057
	Self-discipline-Utilization of support	0.04	－	0.046
	Agreeableness-expressive suppression	0.03	－0.01	0.045
Senior high	Impulsivity control-Family function	0.14	0.01	0.133
	Subjective support-utilization of support	0.45	0.32	0.130
	Agreeableness-Emotional stability	0.26	0.14	0.122
	Physical fitness self-concept-objective support	－0.01	0.03	0.046