Table 7.

Heterogeneity regression results of time spent with children on children's well-being.

	Model 4	Model 5	Model 6	Model 7
	Primary school children	Middle school children	Worse academic performance	Better academic performance
Parents' time spent with children	0.0989**	0.1240*	0.0846	0.1140**
	(2.35)	(1.72)	(1.54)	(2.37)
Gender	−0.2740	−0.0800	0.1320	−0.4240*
	(−1.12)	(−0.31)	(0.48)	(−1.80)
Age	0.7200	0.4660	−0.5760	−1.043***
	(0.81)	(0.12)	(−1.32)	(−2.59)
Age2	−0.0434	−0.0034	0.0219	0.0482***
	(−0.93)	(−0.03)	(1.21)	(2.79)
Nation	−0.0550	0.3090	0.5690	−0.1390
	(−0.16)	(0.59)	(1.59)	(−0.35)
Areas	0.2860	0.6270**	0.3470	0.3850
	(0.72)	(2.00)	(1.11)	(1.06)
Family income	0.0173	0.1970**	0.0790	0.0947
	(0.35)	(2.50)	(1.14)	(1.50)
Physical condition	0.5830***	0.5900***	0.6650***	0.5340***
	(3.21)	(2.75)	(3.37)	(2.75)
Sleep quality	0.4610***	0.1240	0.4690***	0.1350
	(2.99)	(0.62)	(2.64)	(0.84)
Academic performance	0.0907	0.8070***
	(0.38)	(2.74)
N	289	226	220	295

t-statistics in parentheses: ^*p < 0.1, ^**p < 0.05, ^***p < 0.01.