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)
Table 3: Means for the number of symptoms of alcohol, tobacco and cannabis dependence according to groups of simultaneous users.