Table 1.
Basic demographic and clinical characteristics of participants
| The low-symptom group, N=66 |
The middle-symptom group, N=55 |
The high-symptom group, N=51 |
P-value | |
|---|---|---|---|---|
| Male/female | 37/29 | 32/23 | 36/15 | 0.24 |
| Mean age, years | 18.4 (0.5) | 18.4 (0.5) | 18.2 (0.4) | 0.24 |
| BDI-II score at medical examination before the university admission | 3.5 (3.2)a | 13.2 (2.0)b | 21.9 (4.0)c | <0.01 |
| BDI-II score in baseline CIDI | 4.6 (4.5)a | 8.7 (4.3)b | 12.8 (5.8)c | <0.01 |
| Somatic-affective of BDI-II score in baseline CIDI | 2.5 (2.2)a | 4.7 (2.6)b | 6.8 (3.6)c | <0.01 |
| Cognitive of BDI-II score in baseline CIDI | 2.0 (3.0)a | 4.1 (2.9)b | 6.0 (3.4)c | <0.01 |
| Lifetime diagnosis of major depressive disorder | ||||
| Yes/no | 0/66 | 1/54 | 2/49 | 0.20 |
| Lifetime diagnosis of anxiety disorder | ||||
| Yes/no | 2/64 | 7/48 | 6/45 | 0.97 |
| Anxiety disorder diagnosis in past year | ||||
| Yes/no | 2/64 | 6/49 | 6/45 | 0.14 |
Notes: Values in parentheses represent standard deviation. There are significant differences between different shoulder alphabet (a, b, and c) (P<0.05).
Abbreviations: CIDI, Composite International Diagnostic Interview; BDI-II, Beck Depression Inventory-II.