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Table 8 Men: Daily mean of suicide mortality, and switching away from daylight saving time in fall.

From: Relationship between daylength and suicide in Finland

Location Days 1969-80* 1981-94 (DST1)
   -1 m +1 m -1 m +1 m
   m CI m CI m CI m CI
Finland All .111 .099-.122 .101 .094-.108 .119 .109-.128 .120 .112-.128
Helsinki All .141 .106-.177 .120 .104-.137 .139 .125-.153 .140 .122-.158
  T+S+ .151 .064-.238 .115 .078-.151 .091 .039-.143 .163 .107-.219
  T+S- .156 .076-.236 .107 .048-.166 .124 .087-.161 .123 .079-.167
  T-S+ .137 .089-.185 .132 .083-.182 .156 .115-.197 .144 .107-.180
  T-S- .138 .087-.189 .147 .085-.208 .184 .125-.244 .155 .062-.248
Oulu All .114 .060-.168 .125 .092-.158 .239 .165-.313 .121 .067-.175
  T+S+ - - - - .324 .113-.535 - -
  T+S- .100 .001-.200 .107 .002-.211 .256 .053-.458 .110 .000-.220
  T-S+ .189 .084-.295 .130 .024-.237 .182 .060-.303 .103 .029-.176
  T-S- - - - - .267 .142-.392 .229 .065-.393
  1. Daily mean of suicide mortality during one month period before (-1 m), and after (+1 m) the switch away 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