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Table 2 Core interthreshold zones at 500 lx under red and blue light conditions in the winter

From: The core interthreshold zone during exposure to red and blue light

Subject Red light Blue light
Tre-sw(°C) Tre-shivering(°C) CIZ (°C) Tre-sw(°C) Tre-shivering(°C) CIZ (°C)
I 37.13  37.13 0.00 37.24  37.15 0.09
II 37.59  37.13 0.46 37.41  37.21 0.20
III 37.01  36.48 0.53 36.99  36.58 0.41
IV 37.42  37.37 0.05 36.95  36.84 0.11
V 36.88  36.85 0.03 37.01  36.62 0.39
VI 37.22  37.00 0.22 37.15  36.33 0.82
VII 37.15   36.8 0.35 37.28  36.99 0.29
VII 36.76  36.75 0.01 36.79  36.56 0.23
IX 36.91  36.79 0.12 37.09  37.09 0.00
X 37.24  37.01 0.23 37.19  37.16 0.03
Mean ± SD 37.13 ± 0.27  36.95 ± 0.26 0.19 ± 0.20 37.11 ± 0.18  36.85 ± 0.31 0.26 ± 0.24
  1. CIZ, core interthreshold zone; Tre-sw, sweating threshold; Tre-shivering, shivering threshold.