Table 1.
Demographic Characteristics, Suicidality, Course of Illness and Clinical features of Bipolar Disorder Patients
| BD-NONE group (0) (n=78) | BD-ONE group (1) (n=68) | BD-BOTH group (2) (n=20) | Analysis | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Demographic Characteristics | N | Mean/ (N with Characteristic) | SD/(%) | N | Mean/ (N with Characteristic) | SD/(%) | N | Mean/ (N with Characteristic) | SD/(%) | F/(χ2) | df | p |
| Age (years) | 78 | 36.7 | 10.8 | 67 | 35.9 | 11.2 | 20 | 32.7 | 8.7 | 1.14 | 2, 162 | 0.322 |
| Education (years) | 77 | 15.2 | 2.7 | 68 | 14.9 | 2.4 | 20 | 14.4 | 2.6 | 0.92 | 2, 162 | 0.399 |
| Income level (US$/yr) | 75 | 22668.0 | 25478.1 | 63 | 18793.7 | 19955.7 | 19 | 14789.5 | 12908.1 | 1.15 | 2, 154 | 0.317 |
| Marital status (% married) | 78 | (19) | (24.4) | 68 | (19) | (27.9) | 20 | (4) | (20) | (0.58) | 2 | 0.746 |
| Gender (% Male) | 78 | (38) | (48.7) | 68 | (25) | (36.8) | 20 | (5) | (25) | (4.54) | 2 | 0.103 |
|
Suicidality | ||||||||||||
| History of suicide attempt | 78 | (44) | (56.4) | 68 | (54) | (79.4) | 20 | (18) | (90.0) | (13.51) | 2 | 0.001a,b |
| History of suicide attempt (early onset of BD) | 23 | (16) | (69.6) | 37 | (34) | (91.9) | 16 | (16) | (100.0) | (9.26) | 2 | 0.01a,b |
| Age at first attempt | 44 | 26.2 | 10.1 | 53 | 22.1 | 11.5 | 18 | 18.1 | 6.9 | 4.21 | 2, 112 | 0.017b |
| Number of attempts | 44 | 2.0 | 1.2 | 54 | 3.0 | 2.2 | 18 | 4.1 | 2.2 | 8.39 | 2, 113 | <0.001a,b |
| Suicide Intent at the most lethal attempt | 42 | 14.8 | 6.2 | 50 | 16.9 | 5.0 | 17 | 18.1 | 5.9 | 2.71 | 2, 106 | 0.071 |
| Lethality at the most lethal attempt | 44 | 3.5 | 2.2 | 50 | 3.3 | 1.8 | 17 | 3.4 | 1.3 | 0.17 | 2, 108 | 0.843 |
|
Course of illness and clinical features | ||||||||||||
| Age of onset bipolar illness | 70 | 22.2 | 9.8 | 63 | 19.1 | 10.9 | 19 | 13.1 | 6.7 | 6.42 | 2, 149 | 0.002b |
| Age at first hospitalization | 54 | 29.1 | 11.4 | 54 | 26.5 | 10.5 | 15 | 21.1 | 8.1 | 3.56 | 2, 120 | 0.038b |
| BIS | 65 | 60.5 | 18.7 | 58 | 59.6 | 18.9 | 19 | 72.1 | 15.9 | 3.55 | 2, 139 | 0.031b,d |
| BDHI | 67 | 39.0 | 13.8 | 55 | 39.9 | 10.7 | 19 | 45.2 | 11.4 | 1.87 | 2, 138 | 0.157 |
| BGAHS | 71 | 19.5 | 6.5 | 61 | 20.7 | 5.1 | 20 | 24.3 | 8.5 | 4.58 | 2, 149 | 0.012b |
| BHS | 68 | 10.7 | 6 | 63 | 10.2 | 5.8 | 19 | 13.2 | 5.4 | 1.97 | 2, 147 | 0.143 |
| RFL | 64 | 169.1 | 45.9 | 58 | 148.4 | 44.4 | 19 | 138.0 | 35.0 | 5.31 | 2, 138 | 0.006a,b |
| Stressful life events | 69 | 4.0 | 1.1 | 57 | 4.1 | 1.1 | 19 | 4.7 | 0.5 | 2.95 | 2, 142 | 0.056 |
| History of substance use disorder | 72 | (29) | (40.3) | 59 | (41) | (69.5) | 18 | (13) | (72.2) | (13.48) | 2 | 0.001a,b |
| Borderline personality disorder | 67 | (13) | (19.4) | 45 | (12) | (26.7) | 18 | (10) | (55.6) | (9.41) | 2 | 0.009a,b |
BIS: Barratt Impulsivity Scale; BDHI: Buss-Durkey Hostility Inventory; BGAHS: Brown-Goodwin Aggression History Scale; BHS: Beck Hopelessness Scale; RFL: Reasons for Living Inventory
a
0 <1
b
0 < 2
c=0 < 1 < 2
d
1 < 2