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Table 1 Age standardized suicide rates by sex in England and Wales (E+W) and Taiwan for the three time periods

From: Suicide epidemics: the impact of newly emerging methods on overall suicide rates - a time trends study

  Time period Method Rates per 100 000
at beginning of
analytic period
Rates per 100 000
at end of
analytic period
Difference in rates
per 100 000
% change
MALES 1919-1935 E+W      
   All suicides 22.1 28.6 +6.5 + 29.4
   Non-gassing suicides 21.0 20.1 -0.9 -4.3
   Gassing suicides 1.1 8.5 +7.4 +672.7
  1975-1992 E+W      
   All suicides 12.4 15.2 +2.8 +22.6
   Non-gassing suicides 10.7 9.8 -0.9 -8.4
   Gassing suicides 1.8 5.5 +3.7 +205.6
  1999-2006 Taiwan      
   All suicides 19.7 33.7 +14.0 +71.1
   Non-gassing suicides 19.1 22.2 +3.1 +16.2
   Gassing suicides 0.6 11.5 +10.9 > 1000
FEMALES 1919-1935 E+W      
   All suicides 6.7 10.8 +4.1 +61.2
   Non-gassing suicides 6.1 6.6 +0.5 +8.2
   Gassing suicides 0.6 4.2 +3.6 +600
  1975-1992 E+W      
   All suicides 7.6 4.1 -3.5 -46.1
   Non-gassing suicides 7.4 3.5 -3.9 -52.8
   Gassing suicides 0.2 0.6 +0.4 +200
  1999-2006 Taiwan      
   All suicides 9.7 14.7 +5.0 +51.5
   Non-gassing suicides 9.7 11.0 +1.3 +13.4
   Gassing suicides 0.0 3.7 +3.7 > 1000
BOTH SEXES 1919-1935 E+W      
   All suicides 14.9 17.8 +2.9 +19.5
   Non-gassing suicides 14.0 11.8 -2.2 -15.7
   Gassing suicides 0.9 6.0 +5.1 +566.7
  1975-1992 E+W      
   All suicides 9.6 9.6 +0.0 0.0
   Non-gassing suicides 8.8 6.5 -2.3 -26.1
   Gassing suicides 0.8 3.1 +2.3 +287.5
  1999-2006 Taiwan      
   All suicides 14.8 24.2 +9.4 +63.5
   Non-gassing suicides 14.5 16.6 +2.1 +14.5
   Gassing suicides 0.3 7.6 +7.3 > 1000