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Table 1 Demographic characteristics of the various study samples

From: Psychometric evaluation of two short versions of the Revised Child Anxiety and Depression Scale

 Total sampleSubsampleSubsampleSubsampleSubsample
(N = 69,487)(N = 277)(N = 110)(N = 269)(N = 276)
Structural validity, internal consistencyTest-retest reliabilityCriterion validityHypotheses testing SCARED-NLHypotheses testing CDI-2
Gender
 Girls (%)49.748.055.552.046.0
Age
 M (SD)14.2 (1.3)12.5 (2.7)13.0 (2.1)12.7 (2.6)11.9 (2.3)
Educationa
 Elementary (%)2.056.023.643.156.9
 Lower Vocational (%)41.817.027.38.226.8
 Intermediate Vocational (%)0.517.78.24.52.5
 Higher General Secondary (%)20.20.415.520.17.2
 Pre-university (%)18.79.025.524.26.5
  1. SCARED-NL Screen for Child Anxiety Related Emotional Disorders-Dutch version, CDI-2 Children’s Depression Inventory-second version, M Mean, SD Standard deviation
  2. a Percentages may not add up to 100% due to the omission of less common or mixed education levels, or missing values