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- Title
1765 – Futher validation of the children's depression inventory in a portuguese adolescents sample.
- Authors
Bento, C.; Pereira, A.T.; Marques, M.; Saraiva, J.; Macedo, A.
- Abstract
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<.001]. The Cronbach's alpha (α) was .85 for the total sample, .83 for the Girls, and .87 for the Boys. Pearson correlations between the test and the re-test was r=.81 for the total sample, r=.78 for the Girls sub-sample and r=.83 for the Boys sub-sample. Based on factorial and parallel analysis, a 4-factors structure was selected for the total sample (variance explained, VE=38.93%), the Girls (VE=36.92%) and the Boys (VE=41.98%). The items content were similar in the total sample and by gender, but the order of the factors was different. The four factors were: “Depression and Negative Self Esteem”, “Ineffectiveness and Somatic Symptoms”, “Anhedonia”, “Interpersonal Problems”. The SE and CDI total scores were negative and statistically (p<.001) correlated in the total sample (r=-.67), in Girls (r=-.69) and in Boys (r=-.63). Conclusions: The Portuguese CDI has good reliability and validity, showing to be an adequate instrument for measuring depressive symptoms in Portuguese adolescents.
- Subjects
PORTUGAL; TEENAGERS; MENTAL depression; PSYCHOMETRICS; DEPRESSED persons
- Publication
European Psychiatry, 2013, Vol 28, p1
- ISSN
0924-9338
- Publication type
Abstract
- DOI
10.1016/S0924-9338(13)76742-7