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Using three questionnaires, the Rutter Parent Questionnaire (RA2), The Rutter Teacher Questionnaire (RB2) and the Children’s Depression Inventory (CDI), we screened 8–9-year-old children representing a total annual birth cohort (N=60007) in Finland. In a second stage we interviewed the parents of 119 screen negative, and 316 screen positive children by using a structured parent interview. At the population...
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