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Table 2 Demographic characteristics of asphyxiation suicide decedents by mechanism, United States 2005–2014

From: Epidemiology of asphyxiation suicides in the United States, 2005–2014

  Total Hanging Smothering Chemical Strangulation χ2 p-value
N % N % N % N % N %
Total 23,749 100.0% 22,663 95.4% 784 3.3% 168 0.7% 134 0.6%   
Sex (N unknown = 1)            223.6 <0.0001
 Male 19,034 100.0% 18,316 96.2% 465 2.4% 138 0.7% 115 0.6%   
 Female 4714 100.0% 4346 92.2% 319 6.8% 30 0.6% 19 0.4%   
Race (N unknown = 34)            125.4 <0.0001
 White, NH 18,083 100.0% 17,116 94.7% 722 4.0% 141 0.8% 104 0.6%   
 Black, NH 1676 100.0% 1639 97.8% 17 1.0% b b b b   
 Hispanic 2065 100.0% 2031 98.4% 20 1.0% b b b b   
 Other, NH a 1891 100.0% 1845 97.6% 24 1.3% 11 0.6% 12 0.6%   
Age (years, N unknown = 15)            1423.0 <0.0001
 10–14 483 100.0% 480 99.4% b b 0 0.0% b b   
 15–19 1969 100.0% 1941 98.6% b b 5 0.3% b b   
 20–24 2729 100.0% 2657 97.4% 48 1.8% 15 0.5% 9 0.3%   
 25–29 2621 100.0% 2542 97.0% 44 1.7% 19 0.7% 16 0.6%   
 30–39 4811 100.0% 4671 97.1% 86 1.8% 28 0.6% 26 0.5%   
 40–49 5096 100.0% 4887 95.9% 139 2.7% 37 0.7% 33 0.6%   
 50–59 3780 100.0% 3554 94.0% 157 4.2% 37 1.0% 32 0.8%   
 60–69 1314 100.0% 1224 93.2% 66 5.0% 16 1.2% 8 0.6%   
 70+ 931 100.0% 693 74.4% 222 23.8% 11 1.2% 5 0.5%   
Education (N unknown = 10,630)            48.0 <0.0001
 Less than high school 3698 100.0% 3638 98.4% 42 1.1% 6 0.2% 12 0.3%   
 High school graduate 5273 100.0% 5106 96.8% 117 2.2% 14 0.3% 36 0.7%   
 Some college 2504 100.0% 2358 94.2% 101 4.0% 19 0.8% 26 1.0%   
 College graduate 1644 100.0% 1459 88.7% 144 8.8% 34 2.1% 7 0.4%   
  1. Abbreviations: NH non-Hispanic
  2. aIncludes Asian/Pacific Islander, American Indian/Alaska Native, Other, and Two or more races
  3. bCell counts suppressed due to counts fewer than five deaths