Table 2.

Descriptive statistics of key variables (N = 45)

	Full		Male		Female
	Mean	SD	Mean	SD	Mean	SD
Physical health	3.711	0.645	3.852	0.500	3.711	0.645
Mental health	3.465	0.586	3.669	0.527	3.465	0.586
SSC cognition	2.977	0.760	3.192	0.660	2.977	0.760
Parent-child relationship	4.131	0.953	4.371	0.687	4.131	0.953
Whether to use the Internet	0.509	0.501	0.724	0.449	0.509	0.501