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Table 6 Men: Daily mean of suicide mortality, and switching into daylight saving time in spring.

From: Relationship between daylength and suicide in Finland

  Days 1969-80* 1981-2003
   -1 m +1 m -1 m +1 m
   M CI m CI m CI m CI
Finland All .097 .089-.106 .111 .102-.121 .104 .097-.111 .117 .110-.124
Helsinki All .114 .096-.133 .130 .114-.146 .135 .120-.150 .137 .118-.155
  T+S+ .120 .061-.180 .160 .100-.219 .129 .084-.173 .140 .102-.177
  T+S- .100 .054-.146 .156 .100-.212 .128 .084-.171 .181 .143-.220
  T-S+ .123 .090-.156 .102 .067-.137 .139 .108-.171 .142 .100-.184
  T-S- .144 .044-.243 .127 .061-.194 .180 .114-.246 .108 .080-.136
Oulu All .113 .064-.162 .114 .060-.168 .121 .092-.150 .158 .117-.199
  T+S+ - - - - - - .110 .042-.179
  T+S- - - - - .145 .060-.229 .146 .055-.237
  T-S+ .123 .037-.208 .152 .013-.291 .104 .038-.171 .21 .139-.280
  T-S- - - - - .065 .002-.129 .138 .039-.237
  1. Daily mean of suicide mortality during one month period before (-1 m), and after (+1 m) the switch into daylight saving time.
  2. * = DST was not in use in Finland
  3. m = daily mean of suicide mortality
  4. CI = confidence interval of the mean