Table 11

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

Location

Days

1969-80 *

1995-2003 (DST2)


-1 m

+1 m

-1 m

+1 m

m

CI

m

CI

m

CI

m

CI


Finland

All

.029

.026-.032

.025

.022-.029

.032

.026-.038

.027

.022-.032

Helsinki

All

.044

.029-.058

.042

.033-.051

.054

.039-.070

.035

.026-.044

T+S+

.032

.011-.052

.058

.019-.097

.104

.050-.159

.053

.002-.104

T+S-

.055

.027-.083

.074

.036-.112

.049

.015-.083

-

-

T-S+

.046

.015-.076

.032

.010-.054

.034

.002-.067

.040

.016-.065

T-S-

.026

.001-.051

-

-

.064

.030-.099

-

-

Oulu

All

.038

.005-.072

.032

.010-.054

.027

.004-.051

.051

.012-.090

T+S+

-

-

-

-

-

-

-

-

T+S-

-

-

-

-

-

-

-

-

T-S+

-

-

-

-

-

-

-

-

T-S-

-

-

-

-

-

-

-

-


Daily mean of suicide mortality during one month period before (-1 m), and after (+1 m) the switch away daylight saving time.

* = DST was not in use in Finland

m = daily mean of suicide mortality

CI = confidence interval of the mean

Hiltunen et al. Journal of Circadian Rhythms 2011 9:10   doi:10.1186/1740-3391-9-10

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