Table 5.

The effect of smartphone restriction on positive affect (PANAS) scores by linear mixed models.

Time	Estimate	Standard error	t	F
1	0.190	0.109	1.75
2	0.101	0.111	0.914
3	0.181	0.111	1.64
4	0.045	0.110	0.405
5	0.131	0.110	1.19
6	0.002	0.110	0.015
7	0.017	0.109	-0.155
8	-0.017	0.109	-0.155
9
Condition				1.89
Time				3.72****
Condition∗time				0.865

Time 9 represents the reference time. PANAS, Positive and Negative Affect Schedule. ^∗p < 0.05, ^∗∗p < 0.01, ^∗∗∗p < 0.005, ^∗∗∗∗p < 0.001.