TABLE 4.

Results of estimated LMMs for the variable letter recognition to T1 vs. T3.

	Estimate (SE)	df	t-Score	p-Value	CI 95%
					Lower	Upper
Reference: pencil group
Intercept	7.05 (0.31)	264.44	23.00	< 0.001	6.45	7.65
T3 (Reference = T1)	1.53 (0.39)	137.58	3.90	< 0.001	0.76	2.31
Stylus group	0.07 (0.43)	263.98	0.16	0.877	–0.79	0.92
Keyboard group	0.01 (0.44)	264.03	0.026	0.979	–0.85	0.87
Visuo-spatial skills (at T1)	0.09 (0.03)	144.78	3.13	0.002	0.03	0.15
Letter reading (at T1)	0.05 (0.03)	140.48	1.93	0.056	–0.001	0.11
T3 * stylus group	−0.30(0.56)	139.84	–0.54	0.594	–1.42	0.81
T3 * keyboard group	−1.15(0.56)	139.13	–2.04	0.043	–2.27	–0.03
Reference: keyboard group
Intercept	7.06 (0.31)	263.75	22.78	< 0.001	6.45	7.67
T3 (Reference = T1)	0.38 (0.41)	140.61	0.94	0.350	–0.42	1.18
Stylus group	0.06 (0.44)	263.63	0.13	0.898	–0.80	0.92
Pencil group	−0.01(0.44)	264.03	–0.03	0.979	0.87	0.85
Visuo-spatial skills (at T1)	0.09 (0.03)	144.78	3.13	0.002	0.03	0.15
Letter reading (at T1)	0.05 (0.03)	140.48	1.93	0.056	–0.001	0.11
T3 * stylus group	0.85 (0.57)	141.30	1.48	0.141	–0.28	1.98
T3 * pencil group	1.15 (0.56)	139.13	2.04	0.043	0.034	2.27