Table 3.
Tests of Clinical Differences across Three Classes of Inhalant Users Defined by Typical Contexts of Inhalant Use (N = 277).
| Class 2 (High, N=86) Mean (SD) | Class 1 (Moderate, N=108) Mean (SD) | Class 3 (Low, N=85) Mean (SD) | F statistica,b,c | P value | |
|---|---|---|---|---|---|
| Suicidality Index (MAYSI-2) | 3.81 (2.34) | 3.26 (2.44) | 2.67 (2.40) | 4.94c | .008 |
| Drug and Alcohol Use Problems Index (MAYSI-2) | 5.82 (1.85) | 5.50 (1.94) | 4.13 (2.27) | 17.37b,c | <.001 |
| Depression (BSI) | 7.90 (5.69) | 5.34 (5.35) | 5.22 (5.27) | 6.95a,c | <.001 |
| Anxiety (BSI) | 7.66 (5.60) | 5.21 (4.98) | 4.30 (4.47) | 10.47a,c | <.001 |
| Paranoid Ideation (BSI) | 8.85 (4.86) | 6.56 (4.57) | 6.25 (4.38) | 8.46a,c | <.001 |
| Psychoticism (BSI) | 6.17 (4.66) | 4.22 (4.41) | 3.64 (3.73) | 8.41a,c | <.001 |
| Global Severity Index | 69.36 (40.33) | 48.78 (34.33) | 44.08 (32.13) | 12.58a,c | <.001 |
| Externalizing Behaviors | 33.44 (17.99) | 26.96 (20.02) | 21.80 (16.57) | 8.78a,c | <.001 |
| Fearlessness (PPI-SF) | 27.77 (5.57) | 25.78 (5.74) | 25.37 (6.34) | 4.24 c | .01 |
| Impulsivity (ASPD) | 9.62 (2.58) | 8.97 (2.54) | 8.36 (2.36) | 5.56 c | .004 |
| Past-year substance use | 41.93 (20.09) | 37.99 (22.17) | 30.75 (19.91) | 3.46 c | .002 |
| Lifetime substance use | 24.37 (10.16) | 23.24 (11.10) | 18.51 (10.07) | 7.71b,c | .001 |
Note: Dunnett’s T3 post-hoc comparisons conducted for all ANOVAs:
a
Classes 1 and 2 are different;
b
Classes 2 and 3 are different;
c
Classes 1 and 3 are different.