Table 2

Sex, age, school type and residence

n (%) or mean (SD)
Sex
 Girls (%)6685 (51.03)
 Boys (%)6415 (48.97)
Age (mean (SD))15.85 (0.43)
School type
 Compulsory school (municipal) (%)10 332 (78.87)
 Compulsory school (private) (%)1290 (9.85)
 Compulsory school (continuation school) (%)1168 (8.91)
 Compulsory school (special school) (%)310 (2.37)
Residence
 North Denmark Region (%)1186 (9.05)
 Central Denmark Region (%)3650 (27.86)
 Region of Southern Denmark (%)3438 (26.25)
 Region Zealand (%)2034 (15.53)
 Capital Region of Denmark (%)2792 (21.31)