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Suicide among Manitoba's aboriginal people, 1988 to 1994
Objective:
To compare and contrast the characteristics of suicides among aboriginal and nonaboriginal people in Manitoba.
Design:
Retrospective review of all suicides, based on a confidential analysis of records held by the Office of the Chief Medical Examiner.
Setting:
Manitoba between 1988 and 1994.
Outcome Measures:
Standardized suicide rates, age- and sex-specific suicide rates, blood alcohol level at time of death, psychiatric help-seeking behaviour before suicide and residence on a reserve.
Results:
Age-standardized suicide rates were 31.8 and 13.6 per 100,000 population per year among aboriginal and nonaboriginal people, respectively. The mean age of aboriginal people who committed suicide was 27.0 (standard deviation [SD] 10.8) years, compared with a mean age of 44.6 (SD 18.8) years for nonaboriginal people who committed suicide (p < 0.001). Blood alcohol levels at the time of death were a mean of 28 (SD 23) mmol/L among aboriginal people and 12 (SD 20) mmol/L among nonaboriginal people (p < 0.0001). Before their death, 21.9% of nonaboriginal suicide victims had sought psychiatric care whereas among aboriginal suicide victims 6.6% had sought care (p < 0.0001). Although the suicide rate was higher among aboriginal people living on reserve than among those living off reserve (52.9 v. 31.3 per 100,000 per year), both of these rates were substantially higher than the overall rates among nonaboriginal people. There were no significant differences in mean age, sex, blood alcohol level and previous psychiatric care among aboriginal people who committed suicide living on and off reserve.
Conclusions:
There was a high rate of suicide among Manitoba's aboriginal people between 1988 and 1994; this rate was comparable to earlier estimates of national suicide rates among aboriginal people. The reserve environment does not, by itself, account for the high suicide rate among Manitoba's aboriginal people. Further study of help-seeking behaviour and the association between alcohol abuse and suicide, particularly among aboriginal peoples, is indicated.