Table 4.
Standardized Mortality Ratios for Leading Causes of Low Mortality During Incarceration, Georgia, 1991–2006
Cause of Death | No. of Deaths |
Standardized Mortality Ratio | 95% Confidence Interval | % Unexpected Mortalitya | |
Observed | Expected | ||||
Accidental poisoning | 1 | 6 | 0.16 | 0.00, 0.89 | –7 |
Homicide | 20 | 31 | 0.65 | 0.40, 1.00 | –16 |
Suicide | 11 | 17 | 0.65 | 0.33, 1.17 | –9 |
Transportation injuries | 0 | 29 | N/A | N/A | –42 |
Total | 32 | 83 | 0.39 | 0.27, 0.54 | –74 |
Abbreviation: N/A, not applicable.
There were 69 fewer deaths than expected. The percentage of unexpected mortality was calculated as ([observed − expected]/69) × 100.