1765 – Futher validation of the children's depression inventory in a portuguese adolescents sample

Introduction The Children's Depression Inventory (CDI) is a 27-item, symptom-oriented scale for youths aged 7-17. In Portugal some psychometric parameters has never been analyzed before. Objective To analyse the reliability and construct and concurrent validity of the CDI in a Portuguese adolescents sample. Method 969 adolescents (59.34% girls), aged 15.80 ± 1.51, answered the Portuguese versions of the CDI and of the Rosemberg Self Esteem Scale (SE). To study the temporal stability, 204 (58.74% girls) respondents answered the questionnaires again after approximately 5 weeks. Results CDI mean scores were difference between genders [Girls=10.84 ± 6.025 vs. Boys: 8.90 ± 6.477, p Conclusions The Portuguese CDI has good reliability and validity, showing to be an adequate instrument for measuring depressive symptoms in Portuguese adolescents.