Table 4.

Fixed effects parameter estimates.

Effect	Estimate	SE	95% Confidence Interval		df	t	p
			Lower	Upper
(Intercept)	43.222	0.529	42.185	44.259	2.25	81.678	<0.001
TV_frequency	0.059	0.066	−0.071	0.189	1239.47	0.896	0.371
PC_frequency	−0.042	0.070	−0.179	0.095	1227.61	−0.603	0.547
Tablet_PC frequency	−0.004	0.060	−0.121	0.113	1236.36	−0.069	0.945
Smartphone frequency	0.328	0.059	0.212	0.443	1236.98	5.559	<0.001
Sex	0.355	0.321	−0.275	0.984	1237.83	1.105	0.269
Age	−0.352	0.176	−0.696	−0.007	39.64	−2.001	0.05