Skip to main content

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