Table 1.
Demographics and drug use history for whole sample (N = 193) by genotype.
| M(SD) or n(%) by genotype
|
ANOVA or χ2 Test | M(SD) or n(%)total sample (N = 193) | |||
|---|---|---|---|---|---|
| Val/val | Val/met | Met/met | |||
| Demographics | |||||
| Age | 23.3 (3.5) | 23.1 (3.3) | 23.8 (3.1) | F(2, 190) = .70, p = .50 | 23.3 (3.3) |
| BMI | 22.7 (2.0) | 22.5 (2.3) | 22.5 (1.9) | F(2, 190) = .16, p = .85 | 22.6 (2.1) |
| Gender | |||||
| Male | 34 (61%) | 45 (51%) | 22 (46%) | χ2(1, 193) = 2.50, p = .29 | 101 (52%) |
| Female | 22 (39%) | 44 (49%) | 26 (54%) | 93 (48%) | |
| Education | |||||
| HS/GED | 2 (4%) | 1 (1%) | 1 (2%) | χ2(6, 193) = 3.62, p = .73 | 4 (2%) |
| Some Coll. | 19 (34%) | 31 (35%) | 15 (31%) | 65 (34%) | |
| BA/BS | 29 (52%) | 47 (53%) | 30 (63%) | 106 (55%) | |
| Graduate | 6 (11%) | 10 (11%) | 2 (4%) | 18 (9%) | |
| Current Drug Use | |||||
| Alcoholic drinks/week | 5.4 (4.7) | 6.0 (5.0) | 5.0 (5.3) | F(2, 190) = .43, p = .65 | 5.7 (4.8) |
| Cigarettes/week | 1.1 (2.6) | 1.1 (2.2) | 0.9 (2.2) | F(2, 190) = 1.8, p = .84 | 1.0 (2.3) |
| Cannabis uses/month | 2.1 (5.8) | 1.9 (4.8) | 1.3 (3.8) | F(2, 190) = .37, p = .70 | 1.8 (4.9) |
| Lifetime Drug Use | |||||
| Cannabis | |||||
| Never | 11 (20%) | 16 (18%) | 12 (25%) | χ2(8, 193) = 11.33, p = .18 | 39 (20%) |
| 1–10x | 25 (45%) | 26 (29%) | 15 (31%) | 66 (34%) | |
| 11–50x | 6 (11%) | 25 (28%) | 11 (23%) | 42 (22%) | |
| 51–100x | 4 (7%) | 2 (2%) | 3 (6%) | 9 (5%) | |
| >100x | 10 (18%) | 20 (23%) | 7 (15%) | 37 (19%) | |
| Tranquilizers | |||||
| Never | 51 (93%) | 79 (89%) | 43 (90%) | χ2(4, 193) = 3.89, p = .42 | 173 (90%) |
| 1–10x | 4 (7%) | 7 (8%) | 5 (10%) | 16 (8%) | |
| 11–50x | 0 (0%) | 3 (3%) | 0 (0%) | 3 (2%) | |
| Stimulants | |||||
| Never | 41 (73%) | 60 (67%) | 36 (75%) | χ2(8, 193) = 13.14, p = .11 | 137 (71%) |
| 1–10x | 10 (18%) | 23 (26%) | 7 (15%) | 40 (21%) | |
| 11–50x | 4 (7%) | 5 (6%) | 1 (2%) | 10 (5%) | |
| 51–100x | 0 (0%) | 0 (0%) | 3 (6%) | 3 (2%) | |
| >100x | 1 (2%) | 1 (1%) | 1 (2%) | 3 (2%) | |
| Opiates | |||||
| Never | 49(88%) | 64 (72%) | 40 (83%) | χ2(6, 193) = 8.36, p = .21 | 153 (79%) |
| 1–10x | 5(9%) | 19 (21%) | 5 (10%) | 29 (15%) | |
| 11–50x | 2(4%) | 4 (5%) | 3 (6%) | 9 (5%) | |
| 51–100x | 0(0%) | 2 (2%) | 0 (0%) | 2 (1%) | |
| Hallucinogens | |||||
| Never | 40 (73%) | 50 (56%) | 35 (73%) | χ2(6, 193) = 7.29, p = .30 | 125 (65%) |
| 1–10x | 13 (24%) | 34 (38%) | 10 (21%) | 57 (30%) | |
| 11–50x | 2 (4%) | 4 (5%) | 2 (4%) | 8 (4%) | |
| 51–100x | 0 (0%) | 1 (1%) | 1 (2%) | 2 (1%) | |
| Other Drugs | |||||
| Never | 49 (89%) | 81 (91%) | 43 (90%) | χ2(4, 193) = 3.12, p = .54 | 173 (90%) |
| 1–10x | 4 (7%) | 8 (9%) | 4 (8%) | 16 (8%) | |
| 11–50x | 2 (4%) | 0 (0%) | 1 (2%) | 3 (2%) | |