Self-reported depression and anxiety were examined in 233 inpatient children diagnosed with either an anxiety disorder or a depressive disorder. Depressed children reported more problems related to a loss of interest and low motivation, and they had a more negative view of themselves. Anxious children reported more worry about the future, their well-being, and the reactions of others. The groups did not differ in the degree of depressed affect reported in terms of being sad, lethargic, bothered by things, or feeling alone and isolated. These findings suggest that a general negative affectivity component is common to both anxiety and depression disorders and measures. The results demonstrate that anxiety and depression in children have distinguishing features that can be measured by common self-report instruments, and the findings indicate that 1 factor that may distinguish between anxiety and depression in children is positive affectivity.

Although there is consensus regarding the existence of childhood depression, disagreement remains as to whether symptoms are developmentally isomorphic. Previous studies focused on developmental differences in symptom levels; analyses of relations among symptoms may be more appropriate, however. Here both approaches were used to compare the Children's Depression Inventory responses from 1,030 clinic-referred children and adolescents. Four of nine symptom categories showed significant developmental differences in their correlations with total score. Externalizing behavior and guilt were more strongly related to depression in children than adolescents; affective symptoms and concerns about the future showed the reverse pattern. Results illustrate the importance of considering relations among symptoms as well as differences in symptom levels when evaluating theoretical claims about developmental differences in the nature of clinical syndromes.

Differential emotions theory (Izard, 1972) provides a conceptual framework for the role of emotions in affective disorders. The present study investigated the relation of emotions to depression in a sample of child and adolescent psychiatric inpatients (N= 145). Findings indicate that shyness, anger, enjoyment, and shame explained 51.4% of the variance in depression scores. Furthermore, profiles of emotions experienced by youths with a depressive disorder differed significantly from emotion profiles of nondepressed youths on the following emotions: enjoyment, surprise, sadness, anger, shame, shyness, guilt, and self-directed hostility. Differential emotions also correctly classified 80.0% of depressed and nondepressed subjects into their respective groups.

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