|  |  | Non/occasional | Alcohol    cue | Smoking    cue | Cannabis    cue | Cross-SPU | 
      
        | SPU | 
      
        | Subsample    alcohol/ tobacco N = 2,540 | N | 294 | 589 | 402 | - | 1,255 | 
      
        | No.    of symptoms alcohol dep. | 0.08    (0.01) | 0.12    (0.01) | 0.13    (0.01) | - | 0.17    (0.01) | 
      
        | No.    of symptoms nicotine dep. | 1.83    (0.12) | 2.13    (0.08) | 1.90    (0.18) | - | 2.02    (0.04) | 
      
        | Subsample     alcohol/ cannabis N = 1,730 | N | 561 | 221 | - | 617 | 331 | 
      
        | No.    of symptoms alcohol dep. | 0.13    (0.01) | 0.13    (0.01) | - | 0.17    (0.01) | 0.19    (0.02) | 
      
        | No.    of symptoms probl. cannabis use | 7.28    (0.28) | 10.29    (0.42) | - | 6.77    (0.38) | 10.30    (0.27) | 
      
        | Subsample      tobacco/ cannabis N = 1,429 | N | 402 | - | 86 | 554 | 387 | 
      
        | No.    of symptoms nicotine dep. | 1.77    (0.09) | - | 1.84    (0.18) | 2.00    (0.07) | 2.32    (0.09) | 
      
        | No.    of symptoms probl. cannabis use | 7.17    (0.33) | - | 9.82    (0.52) | 8.40    (0.25) | 10.33    (0.27) |