Table 1 General characteristics of the groups

Sex

Female n (%)

385 (65.8)

Male n (%)

200 (34.2)

School level

Primary n (%)

182 (31.1)

Middle n (%)

190 (32.5)

High n (%)

213 (36.4)

Age (years) Mean (SD)

Overall

14.49 (2.26)

Primary (6–11)

9.7 (1.16)

Middle (12–14)

13.35 (0.75)

High (15–19)

16.14 (1.12)

Smartphone use per day (hours)

6.85 (4.62)

Increase pecentage use after pandemic (%)

53.86

SAS-SV Score Mean(SD)

Overall

33.68 (12.40)

Male

33.76 (12.63)

Female

33.64 (12.29)

SAS score/Education Mean (SD)

Primary school

35.42 (12.32)

Middle school

33.99 (13.14)

High school

33.15 (11.88)