The data was collected from the Icelandic section of the international health behaviour in schoolaged children (HBSC) study, 2013/14. 3.618 adolescents answered the survey, amongst the participants 1.731 were females.
Unnið var úr gagnasafni íslenska hluta alþjóðlegu Health Behaviours in Schoolaged Children (HBSC) rannsóknarinnar frá skólaárinu 2013/2014. Alls svöruðu 3.618 unglingar könnunninni, þar af 1.731 stúlkur.