Depression

Mean

SD

Drinking status

Non-drinker

12.43

9.51

Occasional drinker

15.21

9.91

Regular drinker

19.91

11.78

Life stress

Academic difficulty

19.01

6.95

Poor peer relationship

15.07

7.88

High parental expectation

17.38

7.91

Academic performance

>average

13.58

8.44

average

15.79

9.03

16.80

9.78