From: Communication of suicide intent by schizophrenic subjects: data from the Queensland Suicide Register
 | Subjects with Schizophrenia | Subjects with Other Psychiatric Conditions (Group1) | Subjects with No Psychiatric Diagnosis (Group2) |
---|---|---|---|
 | n (%) | n (%) | n (%) |
Lifetime communication of suicidal intent | |||
 | (n = 108) | (n = 419) | (n = 808) |
Yes | 90 (83.3) | 322 (76.8) | 433 (53.6) |
No | 18 (16.7) | 97 (23.2) | 375 (46.4) |
Group Comparisons ## | χ2 (2) = 84.57 *** | χ2 (1) = 2.12 ns OR = 1.51(0.87,2.62) | χ2 (1) = 34.41 *** OR = 4.33 (2.56,7.32) |
Communication of suicidal intent 12-months prior | |||
 | (n = 111) | (n = 429) | (n = 847) |
Yes | 85 (76.6) | 278 (64.8) | 391 (46.2) |
No | 26 (23.4) | 151 (35.2) | 456 (53.8) |
Group Comparisons ## | χ2 (2) = 63.88 *** | χ2 (1) = 5.55 * OR = 1.78 (1.10, 2.88) | χ2 (1) = 36.31 *** OR = 3.81 (2.41,6.04) |
Lifetime Suicide Attempt/s | |||
 | (n = 119) | (n = 487) | (n = 969) |
Yes | 65 (54.6) | 254 (52.2) | 218 (22.5) |
No | 54 (45.4) | 233 (47.8) | 751 (77.5) |
Group Comparisons ## | χ2 (2) = 151.01 *** | χ2 (1) = 0.23 ns OR = 1.10 (0.74,1.65) | χ2 (1) = 56.83 *** OR = 4.15 (2.80,6.13) |
Suicide Attempt/s 12-months prior | |||
 | (n = 118) | (n = 482) | (n = 972) |
Yes | 52 (44.1) | 178 (36.9) | 158 (16.3) |
No | 66 (55.9) | 304 (63.1) | 814 (83.7) |
Group Comparisons ## | χ2 (2) = 99.87 *** | χ2 (1) = 2.04 ns OR = 1.35 (0.90,2.02) | χ2 (1) = 52.33 *** OR = 4.06 (2.72,6.06) |
No of Co-morbid Conditions | |||
 | (n = 135) | (n = 538) | (n = 0) |
One or more | 39 (28.9) | 62 (11.5) | - |
None | 96 (71.1) | 476(88.5) | - |
Group Comparisons ## |  | χ2 (1) = 25.51 *** OR = 3.12 (1.98, 4.92) |  |
Suicide Method | |||
 | (n = 131) | (n = 526) | (n = 1120) |
Drugs/poison | 26 (19.3) | 127 (23.8) | 120 (10.2) |
MV carbon monoxide | 14 (10.4) | 103 (19.3) | 248 (21.0) |
Hanging | 45 (33.3) | 154 (28.8) | 437 (37.1) |
Firearms | 15 (11.1) | 66 (12.4) | 275 (23.3) |
Jumping/lying before moving object | 8 (5.9) | 8 (1.5) | 13 (1.1) |
Other | 27 (20.0) | 76 (14.2) | 86 (7.3) |
Group Comparisons ## | χ2 (10) = 139.21 *** | χ2 (5) = 17.90 ** | χ2 (5) = 64.92 *** |