Females Males
  Patients N=75 Controls N=307 χ2 p value Patients N=51 Controls N=192 χ2 p value
I never smoke cigarettes 52 (69.3) 174 (56.7) 3.996 0.046 44 (86.3) 118 (61.5) 11.167 0.001
I never drink                
                         beer 44 (58.7) 146 (49.7)   NS 26 (51.0) 45 (24.6) 13.142 <0.001
                         wine 43 (58.1) 133 (51.4)   NS 30 (58.8) 68 (42.0) 4.433 0.035
                         liquors 52 (70.3) 112 (43.4) 17.305 <0.001 38 (74.5) 67 (40.9) 17.636 <0.001
I was not drunk in the previous month 61 (81.3) 194 (64.0) 8.203 0.004 41 (80.4) 103 (53.6) 11.940 0.001
I have never used                
                        soft drugsa 64 (85.3) 242 (78.8)   NS 48 (94.1) 140 (72.9) 10.344 0.001
                        hard drugsb 71 (97.3) 297 (98.0)   NS 51 (100.0) 178 (94.2)   NS
I have not decided to have sex yet 38 (52.1) 176 (60.7)   NS 43 (87.8) 116 (65.9) 8.825 0.003
I never cut classes 31 (41.3) 103 (33.6)   NS 24 (47.1) 56 (29.2) 5.842 0.016
I never ran away from home 72 (96.0) 279 (91.2)   NS 51 (100.0) 173 (90.1) 5.475 0.019
I have frequent periods of binge eating 16 (21.3) 28 (9.1) 10.849 0.004 6 (11.8) 18 (9.6)   NS
I have used laxatives/vomiting/manipulated insulin in order to lose weight 8 (10.7) 3 (1.0) 29.260 <0.001 1 (2.0) 0 (0.0)   NS
I exercise at least twice a week 57 (76.0) 146 (47.6) 19.589 <0.001 42 (82.4) 159 (83.7)   NS
Data are n (%). NS: Not Statistically Significant. acannabis. bheroin, cocaine, synthetic drugs
Table 1: Risk behaviors in patients and controls.