For the EPDS variable, the t-test did not reach statistical significance t(−2.25) = 3, p = 0.055.
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34th Annual Meeting of the Society for Light Treatment and Biological Rhythms (SLTBR), 30 May-1 June, Lausanne, Switzerland.
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0.0550
0.0770
The sentences
a nonsignificant trendp = 0.0641
Results : Diurnal variation was not observed for net PIPR 6 (F 1,17 = 1.52; p = 0.231) and net PIPR 30 F 1,17 = 2.64, p = 0.123), but there was a nonsignificant trend toward lower net PIPR 20 values in the afternoon vs. morning (F 1,17 = 3.92; p = 0.0641).
For the PSQI variable, the t-test also failed to reach statistical significance t(−1.90) = 3, p = 0.077.
Conclusions : Our data collection campaign will yield a highly significant, geographically spread, worldwide database for developing novel approaches to understanding illumination and scenes in the real world.