The data from this study were taken from the Icelandic data set of the WHO led study Health Behavior in School-age Children (HBSC) survey and was presented for children and adolescents in 6 th, 8 th and 10 th grades the years 2013/2014.
Gögnin í rannsókninni voru fengin úr íslenska hluta alþjóðlegu Health Behavior in School-age Children (HBSC) rannsókninni en hún var lögð fyrir nemendur í 6., 8. og 10. bekk skólaárið 2013/2014.