The research was based on Icelandic part of the international study Health behavior in School-Aged Children (HBSC) obtained from the administration in February 2014.
Rannsóknin byggði á fyrirliggjandi gögnum íslenska hluta alþjóðlegu rannsóknarinnar Heilsa og lífskjör skólanema (Health behavior in School-aged Children: HBSC) sem fengust úr fyrirlögn í febrúar 2014.