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Table 1 Items of the withdrawal scale

From: Time-course of the DSM-5 cannabis withdrawal symptoms in poly-substance abusers

  Ever rated > “Not at all” Item-rest correlation
1. I am more irritable, angry or aggressive than usually 85% 0.47
2. I am more nervous or anxious than usually 84% 0.50
3. I have trouble falling asleep 90% 0.26
4. I have no appetite or I have begun losing weight 54% 0.21
5. I am restless 97% 0.51
6. I feel depressed 84% 0.53
7. I have abdominal pain, I am sweating, have the chills, as if I had a fever, or I have a headache 81% 0.44
8. I feel tired 93%  
9. I have vivid unpleasant dreams 82%  
10. I sleep a lot 81%  
11. My appetite has increased a lot 88%  
12. I have become so restless that people notice 74%  
13. Others notice that I have become slow in my movements and when I speak 43%  
14. I yawn a lot all of the time 88%  
15. My heart is racing 56%  
16. I have a running nose 66%  
17. I am sneezing 74%  
18. I feel a pricking sensation on my skin 51%  
19. I have gooseflesh, even when it isn’t cold 65%  
20. I feel ill 63%  
21. I have spasms 31%  
22. I have sore joints or muscles 74%  
23. I have the shakes 43%  
24. I have runny eyes 49%  
25. I am nauseous 42%  
26. I have diarrhoea 31%  
  1. Notes: items rated on a Likert scale from 0 (not at all) to 3 (severely). Item 1–7 are intended to measure DSM-5 cannabis withdrawal symptoms. Items 8–26 are intended to measure other types of symptoms, and were included in this study as distracters.