| Cronbach’s alpha (α) | Number of item |
---|---|---|
SJWS-M (prior to CFA) | Â | Â |
  Overall | 0.75 | 15 |
SJWS-M | Â | Â |
  Overall | 0.66 | 10 |
  Craving | 0.89 | 4 |
  Physical symptoms | 0.73 | 3 |
  Psychological symptoms | 0.79 | 3 |
  Stimulation/Sedation | not included | 1 |
  Appetite | not included | 1 |
CSEQ-M | Â | Â |
  Overall | 0.90 | 12 |