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Table 5 Cronbach's α coefficient of the IDS-SR30 (total and sub-scale scores)

From: Psychometric properties of the IDS-SR30 for the assessment of depressive symptoms in spanish population

α

Mood/Cognition

Anxiety/Somatic

Sleep

IDS-SR30

First assessment

0.93

0.77

0.57

0.94*

Second assessment

0.93

0.75

0.54

0.94*

  1. Note: *Stratified-alpha Coefficient
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BMC Medical Research Methodology

ISSN: 1471-2288

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