[The Cigarette Dependence Scale, English-language version]{.underline}

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  Questions                        Response options      Recoding

  1\. Please rate your addiction   \_\_\_ Addiction      0-20 = 1\
  to cigarettes on a scale of 0 to                       21-40 = 2\
  100:\                                                  41-60 = 3\
  - I am NOT addicted to                                 61-80 = 4\
  cigarettes at all = 0\                                 81-100 = 5
  - I am extremely addicted to                           
  cigarettes = 100                                       

  2\. On average, how many         \_\_\_ Cigarettes /   0-5 = 1\
  cigarettes do you smoke per day? day                   6-10 = 2\
                                                         11-20 = 3\
                                                         21-29 = 4\
                                                         30+ = 5

  3\. Usually, how soon after      \_\_\_ Minutes        0-5 = 5\
  waking up do you smoke your                            6-15 = 4\
  first cigarette?                                       16-30 = 3\
                                                         31-60 = 2\
                                                         61+ = 1

  4\. For you, quitting smoking    Impossible = 5\       No recoding
  for good would be:               Very difficult = 4\   
                                   Fairly difficult = 3\ 
                                   Fairly easy = 2\      
                                   Very easy = 1         

  *Please indicate whether you                           
  agree with each of the following                       
  statements:*                                           

  5\. After a few hours without    Totally disagree = 1\ 
  smoking, I feel an irresistible  Somewhat disagree =   
  urge to smoke                    2\                    
                                   Neither agree nor     
                                   disagree = 3\         
                                   Somewhat agree = 4\   
                                   Fully agree = 5       

  6\. The idea of not having any   Totally disagree = 1\ 
  cigarettes causes me stress      Somewhat disagree =   
                                   2\                    
                                   Neither agree nor     
                                   disagree = 3\         
                                   Somewhat agree = 4\   
                                   Fully agree = 5       

  7\. Before going out, I always   Totally disagree = 1\ 
  make sure that I have cigarettes Somewhat disagree =   
  with me                          2\                    
                                   Neither agree nor     
                                   disagree = 3\         
                                   Somewhat agree = 4\   
                                   Fully agree = 5       

  8\. I am a prisoner of           Totally disagree = 1\ 
  cigarettes                       Somewhat disagree =   
                                   2\                    
                                   Neither agree nor     
                                   disagree = 3\         
                                   Somewhat agree = 4\   
                                   Fully agree = 5       

  9\. I smoke too much             Totally disagree = 1\ 
                                   Somewhat disagree =   
                                   2\                    
                                   Neither agree nor     
                                   disagree = 3\         
                                   Somewhat agree = 4\   
                                   Fully agree = 5       

  10\. Sometimes I drop everything Totally disagree = 1\ 
  to go out and buy cigarettes     Somewhat disagree =   
                                   2\                    
                                   Neither agree nor     
                                   disagree = 3\         
                                   Somewhat agree = 4\   
                                   Fully agree = 5       

  11\. I smoke all the time        Totally disagree = 1\ 
                                   Somewhat disagree =   
                                   2\                    
                                   Neither agree nor     
                                   disagree = 3\         
                                   Somewhat agree = 4\   
                                   Fully agree = 5       

  12\. I smoke despite the risks   Totally disagree = 1\ 
  to my health                     Somewhat disagree =   
                                   2\                    
                                   Neither agree nor     
                                   disagree = 3\         
                                   Somewhat agree = 4\   
                                   Fully agree = 5       
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