From: Construct validity and factor structure of the Kessler-10 in South Africa
K-10 items | Mean | SD | Corrected item-total correlation | ⍺ if item deleted |
---|---|---|---|---|
Fatigue | 0.86 | 1.09 | 0.49 | 0.83 |
Nervous | 0.67 | 0.92 | 0.56 | 0.82 |
So nervous | 0.20 | 0.58 | 0.46 | 0.83 |
Hopeless | 0.67 | 0.95 | 0.53 | 0.82 |
Restless fidgety | 0.44 | 0.81 | 0.54 | 0.82 |
So restless | 0.18 | 0.55 | 0.50 | 0.82 |
Depressed | 0.38 | 0.81 | 0.58 | 0.81 |
So depressed | 0.13 | 0.51 | 0.53 | 0.82 |
Lack of energy | 0.58 | 0.92 | 0.60 | 0.81 |
Worthless | 0.45 | 0.82 | 0.60 | 0.81 |
Global K-10 scorea | 4.56 | 5.18 | – | 0.84 |