Table 6.

Cause of mental illness as perceived by respondents

Item	Mean
1. Life stress (e.g. work, study or finance)	4.10
2. Introverted personality	3.90
3. Negative life experience	3.89
4. Think too much	3.83
5. Chemical imbalance in the brain	3.63
6. Genetic pre-disposition	3.63
7. Interpersonal conflicts	3.47
8. Too much qiqong practice	2.52
9. Yin Yang Imbalance	2.51
10. Fate	1.93
11. Demon possession	1.68
12. Punishment for the misdeed conducted by ancestors	1.61
13. Bad Fung Shui	1.58