Table 3.
Demographic Characteristics by Group
| Healthy Control (N=66) | Depressed Control (N=74) | Ideator (N=69) | Early Onset Attempter (N=49) | Late Onset Attempter (N=52) | p-value | post-hocs | |
|---|---|---|---|---|---|---|---|
| AGE | 65.80 (9.92) | 65.47 (8.26) | 62.41 (8.12) | 59.10 (5.61) | 65.90 (7.67) | <0.001 | EA<HC,DC, LA |
| SEX (% MALE) | 26 (39.4) | 37 (50.0) | 40 (58.0) | 17 (34.7) | 32 (61.5) | 0.018 | No pairwise differences |
| RACE (%) | 0.570 | ||||||
| AFRICAN AMERICAN | 9 (13.6) | 15 (20.3) | 11 (15.9) | 9 (18.4) | 3 (5.8) | ||
| ASIAN | 0 (0.0) | 1 (1.4) | 1 (1.4) | 0 (0.0) | 1 (1.9) | ||
| MORE THAN ONE RACE | 0 (0.0) | 0 (0.0) | 1 (1.4) | 0 (0.0) | 1 (1.9) | ||
| WHITE | 57 (86.4) | 58 (78.4) | 56 (81.2) | 40 (81.6) | 47 (90.4) | ||
| EDUCATION | 15.65 (2.60) | 14.69 (2.53) | 14.90 (2.47) | 14.45 (3.17) | 13.62 (2.90) | 0.002 | HC>LA |
| HOUSEHOLD INCOME | 62138.46 (30923.86) | 37028.57 (28914.78) | 33909.09 (29324.70) | 33693.88 (30906.75) | 34088.24 (25859.76) | <0.001 | HC>DC,SI,EA,LA |
| BORDERLINE TRAITS1 | 8.22 (4.35) | 25.16(10.83) | 31.52 (12.72) | 33.39 (12.30) | 21.15 (13.30) | <0.001 | HC<DC,SI,EA,LA DC< EA LA<SI,EA |
| LIFETIME SUBSTANCE ABUSE (%) | - | 24 (32%) | 33 (49%) | 28 (57%) | 22 (43%) | 0.046 | No pairwise differences |
| DEMENTIA RATING SCALE TOTAL SCORE2 | 138.39 (3.10) | 135.28 (5.34) | 135.00 (6.86) | 135.21 (4.58) | 132.98 (6.38) | <0.001 | HC>DC,SI,EA,LA |
| DEPRESSION SEVERITY3 | - | 16.58 (3.80) | 19.80 (5.60) | 21.12 (5.54) | 20.62 (6.38) | <0.001 | DC<SI,EA,LA |
| CURRENT SUICIDAL IDEATION4 | - | - | 15.30 (6.47) | 19.90 (7.87) | 23.77 (7.52) | <0.001 | SI<EA,LA EA<LA |
| WORST LIFETIME SUICIDAL IDEATION4 | - | - | 18.72 (7.12) | 25.35 (6.03) | 25.92 (5.98) | <0.001 | SI<EA,LA |
| HIGHEST LETHALITY SUICIDE ATTEMPT5 | - | - | - | 3.27 (2.12) | 4.06 (2.05) | 0.059 | |
| WORST LIFETIME INTENT - PLANNING SUBSCORE6 | - | - | - | 7.35 (2.49) | 8.88 (3.47) | 0.014 | LA>EA |
| WORST LIFETIME INTENT TOTAL SCORE7 | - | - | - | 16.88 (5.21) | 20.40 (4.62) | 0.001 | LA>EA |
| AGE OF FIRST ATTEMPT | - | - | - | 32.57 (15.50) | 64.85 (8.24) | <0.001 | LA>EA |
| LIFETIME NUMBER OF SUICIDE ATTEMPTS | - | - | - | 3.47 (3.14) | 1.54 (0.96) | <0.001 | EA>LA |
HC, healthy controls; DC, depressed controls; SI, suicide ideators; EA, early-onset attempters; LA, late-onset attempters;
1,
Personality Assessment Inventory – Borderline Subscale;
2,
Mattis Dementia Rating Scale;
3,
Hamilton Depression Rating Scale;
4,
Beck Scale of Suicidal Ideation;
5,
Beck Suicide Lethality Scale;
6,
Beck Suicide Intent Scale – Planning Subscale;
7,
Beck Suicide Intent Scale