Item | Component 1 | Component 2 | Component 3 | |
---|---|---|---|---|
Component 1: will power | Â | Â | Â | |
16. | I cannot do anything when I am really craving heroin. | .76 | Â | Â |
12. | The thoughts I have while craving heroin are out of my control. | .70 | Â | Â |
20. | Craving heroin defeats my will power. | .70 | Â | Â |
9. | I cannot stand the physical symptoms while craving heroin. | .69 | Â | Â |
13. | The craving makes me so nervous I can't stand it. | .65 | Â | Â |
18. | Using heroin is the only way to cope with the feeling of craving. | .63 | Â | Â |
17. | Craving for heroin is all or none; there is nothing in between. | .53 | Â | Â |
7. | I have no control over my behavior once the craving starts. | .52 | Â | Â |
10. | Craving is my punishment for using heroin. | .51 | Â | Â |
11. | If you never used heroin then you have no idea what the craving is like. | .49 | Â | Â |
Cronbach's alpha = .88 | ||||
Component 2: compulsive behavior | Â | Â | Â | |
4. | 4. Craving makes me use heroin. | Â | .76 | Â |
3. | Craving drives men mad. | Â | .73 | Â |
2. | If I don't stop, the craving will be worse. | Â | .71 | Â |
5. | I will always have craving for heroin. | Â | .65 | Â |
1. | The craving is a physical reaction, hence I cannot resist it. | Â | .56 | Â |
Cronbach's alpha=.81 | ||||
Component 3: negative coping | Â | Â | Â | |
14. | I will never be prepared to handle the craving. | Â | Â | .78 |
8. | I will crave heroin for the rest of my life. | Â | Â | .74 |
15. | Since I will have cravings for the rest of my life, I might as well go ahead and use heroin. | Â | Â | .73 |
6. | I don't have any control over the craving. | Â | Â | .53 |
Cronbach's alpha=.81 | ||||
Variance explained by each factor | 22.4% | 17.4% | 14.8% | |
Cronbach's alpha for CCBQ=.92 | ||||
Overall variance explained by the 3-factor model: 54.6% |