Exploratory factor analyses for the four scales
| Scale | Factors | Per cent of variance | Items |
|---|---|---|---|
| Anxiety | 1. General symptoms | 36.5 | A1–A9 |
| 2. Sleeping status | 9.5 | A10, A11 | |
| Depression | 1. General symptoms | 29.5 | D1–D4, D6, D8, D10, D11 |
| 2. Other symptoms | 9.6 | D5, D7, D9, D12 | |
| Study | 1. Interest of study | 36.7 | ST1–ST6, ST11–ST13 |
| 2. Stress coping | 10.3 | ST7–ST10 | |
| Sociality | 1. At home | 41.4 | SO1–SO4 |
| 2. At school | 15.7 | SO5–SO10 |