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