Table 2. Clinical Levels of Symptom Scales.
| Marijuana Users | Controls | |||||||
|---|---|---|---|---|---|---|---|---|
| M | SD | Range | Elevated Score* | M | SD | Range | Elevated Score* | |
| BDI-II | 6.0 | 5.6 | 0–26 | 7% | 4.7 | 6.7 | 0–41 | 2% |
| STAI-State | 43.7 | 7.4 | 36–68 | 2% | 42.5 | 7.3 | 34–64 | 5% |
| Apathy+ | 53.1 | 12.8 | 23–84 | 17% | 53.1 | 15.0 | 25–106 | 14% |
| Disinhibition+ | 56.5 | 12.6 | 31–100 | 21% | 50.7 | 12.6 | 28–84 | 4% |
| Exec Dysfunction+ | 57.9 | 13.0 | 21–81 | 36% | 52.1 | 12.7 | 31–86 | 14% |
+Apathy, Disinhibition, and Executive Dysfunction (Exec Dysfunction) are subscales from the Frontal Systems Behavior Scale (FrSBe); normative T-scores are presented.
*Elevated scores denote the percentage of individuals who demonstrated scores that were greater than 1 SD T-score above the normative group’s mean on the STAI, above 65 T-score on the FrSBe scales, and raw scores >14 on the BDI-II.