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The risk of suicide by time of day across methods of suicide. The incidence risk ratios were higher at night as compared to the average risk across all times of day. While vehicles and fires showed an elevated risk, this increase was not statistically significant. Night: 12AM to 6AM; Morning: 6AM to 12PM; Afternoon: 12PM to 6PM; Evening: 6PM to 12AM. Risks are plotted as mean +/− standard error. Risk ratios are plotted as mean ± standard error.
