Table 1 Socio-demographic variables

N

72

77

76

ns

Age

13.64 (1.33)

13.71 (1.41)

13.70 (1.55)

ns

Gender

 Girls

36 (51.4%)

36 (46.8%)

40 (50.6%)

ns

 Boys

33 (47.1%)

40 (51.9%)

37 (46.8%)

ns

 Non-binary

1 (1.4%)

1 (1.3%)

2 (2.5%)

ns

Nationality

 Spanish

42 (89.4%)

51 (86.4%)

50 (92.6%)

ns

 Non-Spanish

5 (10.6%)

8 (13.6%)

4 (7.4%)

ns

 Attendance (0–8)

7.62 (0.76)

7.71 (0.56)

7.59 (0.63)

ns