Table 1. Characteristics of suicide and accidental death decedents with schizophrenia from China.
Characteristic | Accidental Control (N = 24) | Completed Suicide (N = 74) | Analysis | |||
---|---|---|---|---|---|---|
Mean | SD | Mean | SD | t (df) | Adjusted pc | |
Age (years) | 46.8 | 16.6 | 44.4 | 14.6 | 0.68 (96) | 0.767 |
Age of onset of symptoms | 28.6 | 12.4 | 33.5 | 12.6 | -1.65 (96) | 0.282 |
Duration of illness from onset to death (years) | 18.3 | 13.1 | 10.9 | 12.2 | 2.50 (96) | 0.066 |
Mean number of negative life events in last year | 2.56 | 1.54 | 3.47 | 2.23 | -1.84 (96) | 0.200 |
Mean effect of negative life event in last year | 37.65 | 38.72 | 77.66 | 58.37 | -3.14 (96) | 0.024 |
Mean overall quality of life in prior month (0-100) | 42.13 | 14.13 | 44.16 | 10.85 | -0.74 (96) | 0.702 |
N | % | N | % | χ2(df) | p | |
| ||||||
Female gender | 9 | 37.5 | 22 | 29.7 | 0.50 (1) | 0.672 |
Rural residence | 16 | 66.7 | 50 | 68.0 | 0.01 (1) | 0.999 |
Prior suicide attempts | 0 | 0.0 | 28 | 37.8 | 12.71 (1) | 0.021 |
Multiple episodes of depression | 0 | 0.0 | 3 | 4.1 | --- | 1.000 a |
Had prior mental health treatment/admission | 20 | 83.3 | 40 | 54.1 | 6.54 (1) | 0.065 |
Had ever received treatment from psychiatrist | 18 | 75.0 | 51 | 68.9 | 0.32 (1) | 0.767 |
Used anti-psychotic in last month | 11 | 45.8 | 41 | 55.4 | 0.67 (1) | 0.695 |
Used antidepressant in last month | 0 | 0.0 | 3 | 4.1 | --- | 1.000a |
Severity of illness in month before death | ||||||
None | 0 | 0.0 | 1 | 1.4 | --- | 0.854 b |
Mild | 1 | 4.2 | 4 | 5.4 | ||
Moderate | 5 | 20.8 | 23 | 31.1 | ||
Severe | 18 | 75.0 | 46 | 62.2 | ||
Severe negative life event in 7 days prior to death | 2 | 22.0 | 11 | 14.9 | --- | 0.751 a |
Family history of psychosis | 3 | 12.5 | 10 | 13.5 | --- | 1.000 a |
Blood relative with history of depression | 0 | 0.0 | 4 | 5.4 | --- | 0.787 a |
Based on Fisher's Exact Test
Freeman-Halton (1951) extension of the Fisher's Exact Test.
Note: Fisher's Exact Test used when expected frequency < 5.
All p values were adjusted using the False Discovery Rate