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. 2020 Jun 18;19:101149. doi: 10.1016/j.pmedr.2020.101149

Table 2.

Summary of technology usage.

Total sample (n = 126) School 1 (n = 83) School 2 (n = 43)
Age first using Internet without supervision, years 6.75 (1.72) 6.76 (1.84) 6.74 (1.42)
 Never 5 (4.2%) 2 (2.5%) 3 (8.1%)
 Missing 8 2 6
Age first using a smartphone/ computer alone, years 7.05 (1.73) 6.91 (1.84) 7.34 (1.46)
 Missing 8 3 5
Accessing the Internet outside of school1
 Personal smartphone 67 (56.8%) 50 (64.1%) 17 (42.5%)
 Personal portable computer (e.g., laptop, tablet) 55 (46.6%) 40 (51.3%) 15 (37.2%)
 Shared desktop computer 47 (39.8%) 35 (44.9%) 12 (30.0%)
Internet usage at home without supervision
 Never 4 (3.3%) 4 (5.1%) 0
 Sometimes 27 (22.5%) 13 (16.5%) 14 (34.1%)
 Usually 48 (40.0%) 32 (40.5%) 16 (39.0%)
 Always 41 (34.2%) 30 (38.0%) 11 (26.8%)
 Missing 6 4 2

Cell values are mean (SD) or counts (percentages), as appropriate. Percentages were calculated after removing missing values from the denominator.

1

Each percentage reflects the proportion of students selecting that option out of the total number that completed the questionnaire.