Table 1.

Core interthreshold zones at 500 lx under red and blue light conditions in the summer

Subject	Red light			Blue light
	Tre-sw (°C)	Tre-shivering (°C)	CIZ (°C)	Tre-sw (°C)	Tre-shivering (°C)	CIZ (°C)
I	37.49	37.2	0.29	37.27	37.07	0.2
II	37.46	37.46	0.00	37.59	37.32	0.27
III	37.46	37.05	0.41	37.43	37.14	0.29
IV	37.41	37.35	0.06	37.35	37.27	0.08
V	37.21	36.87	0.34	37.25	37.05	0.2
VI	37.2	36.77	0.43	37.18	36.8	0.38
VII	37.23	36.95	0.28	36.67	36.52	0.15
VII	36.78	36.58	0.2	36.58	36.36	0.22
IX	37.1	37.07	0.03	36.98	36.93	0.05
X	37.09	36.7	0.39	37.18	37	0.18
Mean ± SD	37.24 ± 0.22	37.01 ± 0.29	0.23 ± 0.16	37.15 ± 0.32	36.95 ± 0.31	0.20 ± 0.10

CIZ, core interthreshold zone; T_re-sw, sweating threshold; T_re-shivering, shivering threshold.