Table 1:

Comparison of general information between experimental and control groups

Variable		Experimental group (n=60)	Control group (n=61)	t/χ2/Z	P
Gender	Male	44	47	0.224	0.636
	Female	16	14
Age (yr)		15.2±0.8	15.3±0.8	0.683	0.496
Whether a left-behind child	Yes	18	15	0.446	0.504
	No	42	46
Self-rate academic performance	Excellent	13	20	1.216	0.224
	Good	17	16
	Normal	13	13
	Poor	13	5
Family economic status	Very good	10	8	0.311	0.756
	Relatively good	15	15
	Normal	19	23
	Poor	8	6
	Very poor	8	9