Table 1.
Participant Characteristics
| Controls Mean (SD) | sBinge Mean (SD) | eBinge Mean (SD) | MJ+sBinge Mean (SD) | MJ+eBinge Mean (SD) | F/χ2 | p | |
|---|---|---|---|---|---|---|---|
| N | 40 | 62 | 59 | 35 | 25 | - | - |
| Males (% of N) | 20 (50%) | 33 (54%) | 29 (49%) | 19 (54%) | 11 (44%) | 0.85 | .93 |
| Age | 18.70 (0.61) | 18.65 (0.68) | 18.78 (0.72) | 18.60 (0.60) | 18.72 (0.68) | 0.51 | .73 |
| Recent Use (Days/Month) | |||||||
| sBinge | 0 | 2.42 (2.55) | 3.58 (3.74) | 3.83 (2.70) | 6.31 (6.67) | 15.12* | .002 |
| eBinge | 0 | 0.35 (0.66) | 2.04 (2.43) | 0.86 (1.17) | 4.25 (4.38) | 57.33* | <.001 |
| MJ | 0 | 0.33 (0.60) | 0.36 (0.61) | 8.68 (5.36) | 11.67 (9.41) | 125.13* | < .001 |
| Tobacco | 0.03 (0.19) | 1.02 (4.19) | 1.03 (3.99) | 2.33 (6.66) | 2.72 (5.89) | 37.98 | < .001 |
| Lifetime (Days) | |||||||
| sBinge | 0 | 17.76 (18.13) | 37.00 (40.25) | 48.37 (58.59) | 71.96 (69.51) | 29.05* | < .001 |
| eBinge | 0 | 2.19 (2.65) | 16.31 (20.02) | 9.17 (14.68) | 39.20 (57.31) | 68.47* | < .001 |
| MJ | 0 | 3.29 (6.47) | 3.22 (4.71) | 99.74 (87.86) | 113.92 (76.49) | 117.3 1* | < .001 |
| Tobacco | 0.28 (1.13) | 19.90 (81.68) | 10.31 (25.01) | 33.20 (122.56) | 24.76 (37.87) | 50.07 | < .001 |
Group differences in substance use were examined with Kruskal-Wallis tests. sBinge: Standard Bingeing, eBinge: Extreme Bingeing, MJ: marijuana.
*
denoted group comparison between the 4 substance using groups only.