TABLE 1.

Descriptive data of the 145 children on the matching and control variables across the three different conditions.

Variable	Total (N = 145) Mean(SD) [Min – Max]	Pencil (N = 49) Mean (SD) [Min – Max]	Stylus (N = 49) Mean (SD) [Min – Max]	Keyboard (N = 47) Mean (SD) [Min – Max]
Age (years; months)	5;97 (0;53) [4;10 – 6;11]	5;98 (0;59) [4;11 – 6;11]	5;10 (0;48) [5;00 –6;70]	5;90 (0;50) [4;10 – 6;70]
Sex	75 female, 70 male	29 female, 20 male	26 female, 23 male	20 female, 27 male
Phonological awareness (raw score)	36.34 (3.13) [25 – 40]	35.94 (3.63) [25 – 40]	36.55 (2.89) [28 – 40]	36.55 (2.81) [26 – 40]
Free letter writing (raw score)	8.38 (3.45) [1 – 24]	8.10 (2.90) [3 – 18]	8.39 (3.56) [1 – 19]	8.66 (3.89) [3 – 24]
Non-verbal intelligence (percentile rank)	65.32 (24.49) [11 – 100]	65.04 (25.75) [11 – 100]	64.33 (24.94) [11 – 98]	66.66 (23.08) [11 – 98]
Letter reading (raw score at T1)	8.37 (5.11) [0–16]	8.24 (5.48) [0–16]	7.88 (4.57) [0–16]	9.00 (5.30) [0–16]
Visuo-spatial skills (raw score at T1)	15.77 (5.12) [5–25]	15.27 (5.57) [5–25]	15.96 (5.05) [5–23]	16.11 (4.76) [5–24]