About 7% of 4-year-olds in Norway meet criteria for a psychiatric diagnosis
Question: How common are psychiatric disorders in preschoolers in Norway?
Population: 2475 children born in 2003 or 2004 who attended the regular community health check-up for 4-year-olds and whose parents consented to take part in the study. Of the 3456 children born in the city in 2003 and 2004, 71.6% participated.
Setting: General community, Trondheim, Norway; 2007–2008.
Assessment: The Strengths and Difficulties Questionnaire (SDQ) was used as a screening tool to identify behavioural and emotional problems. On the basis of SDQ score, children were stratified and a random sample drawn from each strata for a structured diagnostic interview, with a higher proportion of those with more problems selected (37% of those scoring 0–4 selected; 48% of those scoring 5–5; 70% of those scoring 9–11; 89% of those scoring 12–40). Of the 1250 children selected, the parents of 995 completed the Preschool Age Psychiatric Assessment interview to assess the past 3 months. Assessment of disability relating to the symptoms was based on the World Health Organisation International Classification of Functioning, Disability …