Mean ± SD

Test

Sig

Gender

Girls

42.18 ± 12.296

t = 1.472

p = 0.14

Boys

39.21 ± 12.037

Age

≤17 years

44.66 ± 10.946

t = 4.57

p < 0.001

>17 years

36.82 ± 12.264

Level of Education

1st year of HS

44.50 ± 10.627

F = 11.298

p < 0.001

2nd year of HS

43.34 ± 12.611

3th year of HS

34.20 ± 10.559

Stream

Scientist

42.85 ± 12.015

t = −2.234

p = 0.02

Literary

38.37 ± 12.113