Variable Nicotine + Nicotine - Statistics
  N=114 N=86  
Cigarettes per day (mean, SD) 18 (11) 0  
Number of smoking days per Week (mean, SD) 6.7 (0.9) 0  
Fagerström score (mean, SD) 6.9 (2.1) 0.01 (0.1) student t=-30,df=198, p<0.0001
Drinks of alcohol/day 3.4 (4.3) 0.7 (1.3) student t=5.5, df=198, p<0.0001
Drinking days/week 2.7 (2.8) 1.2 (2.3) student t=4.1, df=198, p<0.0001
Alcohol intoxication/month 1 (1.9) 0.1 (0.4) student t=4.3, df=198, p<0.0001
Diagnostic of alcohol abuse 36 (31%) 8 (9%) χ2=14.1, df=1, p< . 1
Diagnostic of alcohol dependence 37 (32 %) 6 (7%) χ2 =18.5, df=1, p< . 1
Alcohol abuse or dependence 42 (36%) 7 (8%) χ2 =21.8, df=1, p< . 1
 MAST score 12.9 (15) 2.3 (6.3) student t=-6, df=198, p<0.00001
Table 2: Comparison of suicide attempts with and without nicotine consumption: nicotine and alcohol consumption and dependence.