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Table 7 Women: Daily mean of suicide mortality and switching into daylight saving time in spring.

From: Relationship between daylength and suicide in Finland

Location

Days

1969-80 *

1981-2003(DST1 + DST2)

  

-1 m

+1 m

-1 m

+1 m

  

m

CI

m

CI

m

CI

m

CI

Finland

All

.024

.020-.028

.026

.023-.029

.027

.024-.030

.030

.027-.033

Helsinki

All

.055

.048-.062

.043

.031-.055

.043

.034-.052

.049

.040-.059

 

T+S+

.042

.014-.071

.052

.020-.083

.047

.019-.076

.055

.035-.076

 

T+S-

.054

.028-.080

.031

.010-.052

.024

.012-.037

.046

.030-.062

 

T-S+

.061

.041-.081

.029

.004-.053

.040

.022-.057

.065

.028-.101

 

T-S-

.052

.018-.087

-

-

.049

.020-.079

.044

.024-.065

Oulu

All

.033

.006-.059

.048

.016-.080

.048

.030-.066

.030

.009-.050

 

T+S+

-

-

-

-

-

-

-

-

 

T+S-

-

-

-

-

.053

.013-.094

-

-

 

T-S+

-

-

-

-

.067

.018-.117

-

-

 

T-S-

-

-

-

-

-

-

-

-

  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
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Journal of Circadian Rhythms

ISSN: 1740-3391