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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 sample Subsample Subsample Subsample Subsample
(N = 69,487) (N = 277) (N = 110) (N = 269) (N = 276)
Structural validity, internal consistency Test-retest reliability Criterion validity Hypotheses testing SCARED-NL Hypotheses testing CDI-2
Gender
 Girls (%) 49.7 48.0 55.5 52.0 46.0
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 (%) 2.0 56.0 23.6 43.1 56.9
 Lower Vocational (%) 41.8 17.0 27.3 8.2 26.8
 Intermediate Vocational (%) 0.5 17.7 8.2 4.5 2.5
 Higher General Secondary (%) 20.2 0.4 15.5 20.1 7.2
 Pre-university (%) 18.7 9.0 25.5 24.2 6.5
  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