Table 1.

Descriptive information of all students, junior and senior high school students.

	Item	M	SD	Skewness	Kurtosis	Strengtha	Predictability
All (26549)	PHQ1	0.49	0.82	1.68	1.97	−1.14	0.20
	PHQ2	0.38	0.73	2.08	3.84	0.18	0.30
	GAD1	0.40	0.75	2.04	3.57	1.60	0.62
	GAD2	0.31	0.71	2.47	5.55	1.04	0.69
	YSIS3	1.54	1.02	1.95	2.97	−0.76	0.51
	YSIS4	1.37	0.85	2.61	6.49	−0.58	0.52
	YSIS5	1.34	0.85	2.84	7.73	−0.34	0.46
Junior (13999)	PHQ1	0.38	0.73	2.04	3.53	−1.32	0.44
	PHQ2	0.29	0.65	2.53	6.22	−0.10	0.53
	GAD1	0.28	0.63	2.57	6.60	1.69	0.32
	GAD2	0.21	0.59	3.13	9.95	0.89	0.49
	YSIS3	1.44	0.91	2.22	4.38	−0.58	0.35
	YSIS4	1.33	0.79	2.73	7.45	−0.51	0.51
	YSIS5	1.30	0.79	3.03	9.09	−0.07	0.41
Senior (12550)	PHQ1	0.62	0.90	1.36	0.88	−1.13	0.19
	PHQ2	0.48	0.80	1.72	2.27	0.39	0.20
	GAD1	0.53	0.85	1.62	1.75	1.45	0.09
	GAD2	0.43	0.82	1.98	3.02	1.11	0.21
	YSIS3	1.64	1.12	1.69	1.81	−0.89	0.04
	YSIS4	1.41	0.92	2.46	5.44	−0.51	0.16
	YSIS5	1.38	0.92	2.65	6.42	−0.43	0.13

^aThe value of node strength was standardized Z scores from the network.