Table 1.
Defining Characteristics of Five Latent Classes of Suicide Risk a
| Latent Class Assignment b |
|||||
|---|---|---|---|---|---|
| S-STB+AGG (n = 142) (9%) | S-STB (n = 342) (21%) | STB (n = 239) (15%) | HX-STB+AGG (n = 164) (10%) | HX-STB (n = 722) (45%) | |
| C-SSRS: Multiple attempts | 98 (71%) | 205 (62%) | 107 (45%) | 69 (42%) | 238 (34%) |
| AUDIT-C: Score ≥ 3 | 24 (17%) | 23 (7%) | 10 (4%) | 26 (16%) | 37 (5%) |
| DUS: Used cannabis ≥ monthly (past 3 months) | 35 (25%) | 46 (14%) | 24 (10%) | 49 (30%) | 69 (10%) |
| C-SSRS: Suicide Severity Score (past month) Mean (SD) | 4.3 (0.84) | 4.7 (0.47) | 2.5 (0.50) | 0.6 (0.84) | 0.1 (0.33) |
| IA-Quick Screen, Mean (SD) | 2.4 (0.49) | 0.3 (0.44) | 0.3 (0.44) | 2.4 (0.48) | 0.2 (0.39) |
| History Physical Abuse | 53 (38%) | 74 (22%) | 44 (19%) | 44 (27%) | 110 (15%) |
| History Sexual Abuse | 53 (38%) | 100 (30%) | 68 (29%) | 40 (25%) | 134 (19%) |
| PHQ9: Total Score Depression | 17.8 (7.07) | 18.1 (6.08) | 15.4 (6.33) | 11.3 (6.22) | 8.2 (5.79) |
| Severity: Mean (SD) | |||||
Note: S-STB+AGG= Severe Suicidal Thoughts/Behavior + Aggression; S-STB= Severe Suicidal Thoughts/Behavior; STB= Suicidal Thoughts/Behavior; HX-STB+AGG= History of Suicidal Thoughts/Behavior + Aggression; HX-STB= History of Suicidal Thoughts/Behavior; C-SSRS= Columbia-Suicide Severity Rating Scale; AUDIT-C=Alcohol Use Disorders Identification Test; DUS: Drug Use Scale; IA-Quick Screen: Impulsive Aggression Quick Screen; PHQ9=Patient Health Questionnaire-9.
All measures differed at p-value of <.001 for latent classes (chi-squared and Kruskal-Wallis tests).
N’s for calculating percentages varied from 138–141 for S-STB+AGG, 331–339 for S-STB, 237–241 for STB, 162–165 for HX-STB+AGG, and 702 to 720 for HX-STB.