Model	predictive variable	Unstandardized coefficient		t	p	B 95.0% confidence intervals		Collinearity statistics
Model	predictive variable	B	SE	t	p	Lower limit	Top limit	Tolerance	VIF
Model 1	(constants)	3.129	0.091	34.464	0.000	2.951	3.307	—	—
	SES	−0.026	0.012	−2.155	0.031	−0.050	−0.002	0.946	1.058
	Age	−0.001	0.011	−0.111	0.912	−0.022	0.020	0.952	1.050
	Gender	−0.004	0.018	−0.192	0.848	−0.040	0.033	0.991	1.009
	Time management	0.050	0.018	2.841	0.005	0.016	0.085	0.818	1.223
	Life conflict	0.027	0.022	1.235	0.217	−0.016	0.069	0.744	1.344
	Emotional experience	0.138	0.021	6.493	0.000	0.096	0.180	0.762	1.313
	Parental behavior	0.071	0.023	3.154	0.002	0.027	0.116	0.830	1.204
Model 2	(constants)	0.999	0.095	10.506	0.000	0.813	1.186	—	—
	SES	−0.031	0.013	−2.438	0.015	−0.055	−0.006	0.946	1.058
	Age	0.000	0.011	−0.032	0.975	−0.022	0.022	0.952	1.050
	Gender	0.036	0.019	1.881	0.060	−0.002	0.074	0.991	1.009
	Time management	0.040	0.019	2.178	0.030	0.004	0.077	0.818	1.223
	Life conflict	0.051	0.023	2.257	0.024	0.007	0.096	0.744	1.344
	Emotional experience	0.122	0.022	5.461	0.000	0.078	0.165	0.762	1.313
	Parental behavior	0.043	0.024	1.810	0.071	−0.004	0.089	0.830	1.204
Model 3	(constants)	2.447	0.095	25.857	0.000	2.262	2.633	—	—
	SES	−0.041	0.013	−3.262	0.001	−0.066	−0.016	0.946	1.058
	Age	0.011	0.011	1.005	0.315	−0.011	0.033	0.952	1.050
	Gender	0.006	0.019	0.313	0.754	−0.032	0.044	0.991	1.009
	Time management	0.065	0.018	3.503	0.000	0.028	0.101	0.818	1.223
	Life conflict	0.018	0.023	0.797	0.426	−0.026	0.062	0.744	1.344
	Emotional experience	0.138	0.022	6.249	0.000	0.095	0.182	0.762	1.313
	Parental behavior	0.085	0.024	3.593	0.000	0.038	0.131	0.830	1.204