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Table 7 Item-to-scale correlations with Pearson’s r values in the CDI instrument

From: Prevalence of depressive symptoms among schoolchildren in Cyprus: a cross-sectional descriptive correlational study

CDI items Depressive-related state of each item Item-to- scale correlation (Pearson’s r)
Item 1 Sadness 0.56* (0.51*)
Item 2 Pessimism 0.51* (0.45*)
Item 3 Self-inefficacy 0.42* (0.37*)
Item 4 Anhedonia 0.43* (0.37*)
Item 5 Negative self-concept 0.32* (0.27*)
Item 6 Worryingness 0.53* (0.46*)
Item 7 Self-acceptance 0.57* (0.52*)
Item 8 Self-blaming 0.46* (0.39*)
Item 9 Suicidal thinking 0.40* (0.35*)
Item 10 Tearfulness 0.52* (0.47*)
Item 11 Irritability 0.60* (0.53*)
Item 12 Socializing 0.29* (0.23*)
Item 13 Indecisiveness 0.34* (0.26*)
Item 14 Self-image 0.53* (0.46*)
Item 15 Motivation 0.38* (0.27*)
Item 16 Sleep 0.50* (0.43*)
Item 17 Tiredness 0.48* (0.40*)
Item 18 Appetite 0.45* (0.36*)
Item 19 Hypochondriasis 0.35* (0.27*)
Item 20 Loneliness 0.55* (0.50*)
Item 21 School enjoyment 0.39* (0.33*)
Item 22 Friendship 0.44* (0.39*)
Item 23 School performance 0.43* (0.37*)
Item 24 Self-esteem 0.48* 0.41*)
Item 25 Feeling loved 0.53* (0.47*)
Item 26 Submissiveness 0.18* (0.10*)
Item 27 Inter-personal difficulties 0.40* (0.35*)
  1. The values in the parenthesis regard corrected values (items excluded from the CDI scale in the correlation between item and CDI total scale)
  2. * p < 0.0001