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Table 1 Descriptive statistics for the four groups of participating families

From: App-based learning for kindergarten children at home (Learning4Kids): study protocol for cohort 1 and the kindergarten assessments

  Tablet group 1
(Literacy)
Tablet group 2
(Numeracy)
Control group 1
(Control tablet)
Control group 2
(No tablet)
Total sample
Number of participants, N 60 60 35 35 190
Children‘s age at t1
in months, M (SD), range
63.4 (4.0)
55–73
62.9 (4.3)
54–75
63.7 (5.0)
51–73
65.0 (4.4)
53–73
63.6 (4.4)
51–75
Children’s sex:
male / female
28 / 32 31 / 29 17 / 18 16 / 19 92 / 98
Families with migration backgrounda, N (%) 26 (43.3) 23 (38.3) 17 (48.6) 14 (40.0) 80 (42.3)
SESb 98.2 (34.8) 91.2 (37.3) 90.0 (40.6) 89.4 (32.1) 92.8 (36.1)
  1. Notes: amigration background: At least one parent or the child being born outside of Germany;
  2. bSES, highest family occupational prestige [28], however preliminary prestige score only (N = 168) due to missing data and unspecific answers