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Validation of the Kutcher Adolescent Depression Scale in a Caribbean student sample.


ABSTRACT:

Background

Research on depression among Caribbean children has been limited by a lack of valid and reliable measures. We addressed this problem by exploring the internal consistency reliability and the concurrent and discriminant validity of the Kutcher Adolescent Depression Rating Scale (KADS) among a wide cross-section of the student population attending elementary schools in Jamaica and Barbados.

Methods

Students enrolled in grade 6 in a cross-section of schools in Jamaica and Barbados were invited to participate in the study. Schools included a balance of government-funded public schools and privately funded preparatory schools. All schools that were invited to participate accepted, and all grade 6 classrooms in each school were sampled. The following instruments were administered to the students during the fall semester of 2015: KADS, Adolescent Depression Rating Scale (ADRS), major depression disorder subscale of the Revised Children's Anxiety and Depression Scale (RCADS), and state and trait anxiety visual analogue scales.

Results

In total, 759 children (376 girls [49.5%] and 363 boys [47.8%]; in 20 cases [2.6%], sex was missing) with a mean age of 10.7 (standard deviation 0.66) years (median 11.0 yr) took part in the study. Overall, the KADS had an acceptable degree of reliability (? = 0.76). The instrument had reasonably good concurrent validity, as evidenced by strong correlations with scores on the ADRS (r = 0.62) and the major depression disorder subscale of the RCADS (r = -0.61). It had acceptable discriminant validity, as shown through low correlations with the state and trait anxiety visual analogue scales (r = 0.21 and 0.18, respectively). This pattern of results suggests that a large part (37%) of the variance underlying the KADS assesses depression, and a smaller degree of the variance (3%-4%) measures a conceptually similar but distinct concept.

Interpretation

The KADS is a reliable and valid measure for assessing depressive symptoms among Jamaican and Barbadian elementary school students. The sample may not be representative of all Caribbean children.

SUBMITTER: Lowe GA 

PROVIDER: S-EPMC7868086 | biostudies-literature | 2018 Jul-Sep

REPOSITORIES: biostudies-literature

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Validation of the Kutcher Adolescent Depression Scale in a Caribbean student sample.

Lowe Gillian A GA   Lipps Garth E GE   Gibson Roger C RC   Jules Mia A MA   Kutcher Stanley S  

CMAJ open 20180705 3


<h4>Background</h4>Research on depression among Caribbean children has been limited by a lack of valid and reliable measures. We addressed this problem by exploring the internal consistency reliability and the concurrent and discriminant validity of the Kutcher Adolescent Depression Rating Scale (KADS) among a wide cross-section of the student population attending elementary schools in Jamaica and Barbados.<h4>Methods</h4>Students enrolled in grade 6 in a cross-section of schools in Jamaica and  ...[more]

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