Effective preventions in pre-schools and primary schools in Iceland, have been conducted, but that is a suitable ground for interventions because children spend a large part of the week in school.
Öflugt forvarnarstarf hefur verið unnið hérlendis í leik- og grunnskólum enda eru þær stofnanir kjörinn vettvangur til slíks starfs þar sem börn eyða dágóðum tíma vikunnar innan veggja þeirra.