Table 1.

Estimates of the original melatonin model and the model with incorporated light effect to plasma melatonin data from subjects scheduled to a 6.5-hr continuous bright light (CBL), intermittent bright light (IBL) or very dim light (VDL) exposure.

	Original melatonin model					Model with incorporated light effect
Subject	SynOn (clock hour)	SynOff (clock hour)	A(t) (pmol·L⁻¹· min⁻¹)	R²_adj	AIC	SynOn (clock hour)	SynOff (clock hour)	A(t) (pmol·L⁻¹· min⁻¹)	R²_adj	AIC
Condition BL
19a1v	20.87	8.11	1.19	0.13	3892.12	20.2	6.10	1.29	0.96	1844.38
2006v	20.09	21.91	7.70	0.38	5420.69	20.01	4.17	11.28	0.98	3238.42
2012v	5.44	7.87	3.71	0.99	3536.74	22.96	8.03	3.71	0.99	3541.13
2036v	4.39	8.30	4.37	0.99	3279.80	4.43	5.78	2.06	0.99	2912.51
2041v	--	20.51	1003.11	−0.30	6266.01	18.55	5.69	5.40	0.99	3172.92
2043v	0.76	3.16	4.05	0.82	2789.14	--	6.55	0.72	0.96	1958.00
Condition IBL
19b9v	21.42	7.45	0.89	0.94	2376.36	22.23	7.59	1.07	0.97	1852.74
19c4v	20.8	8.09	2.83	0.71	5178.28	20.95	7.29	8.53	0.90	4480.78
2004v	23.6	8.01	1.01	0.82	5752.39	23.16	8.69	11.52	0.97	4589.86
2024v	21.3	8.37	4.00	0.94	4631.57	21.79	7.37	3.98	0.98	3893.72
2035v	20.54	5.78	3.84	0.91	4035.70	20.42	5.42	3.06	0.98	3019.08
19c9v0t2	20.62	6.72	5.66	0.81	4562.74	20.58	6.17	4.01	0.90	4151.10
2042v	21.76	--	1.14	0.93	4213.36	21.7	--	2.15	0.96	3783.21
Condition VDL
19b1v	22.17	6.38	6.04	0.90	4507.15	22.08	7.27	3.42	0.88	4636.21
19c3v	22.13	5.88	4.05	0.81	5032.53	21.84	7.25	4.26	0.82	4995.12
2008v	21.41	2.71	2.86	0.92	3942.86	21.31	2.17	2.68	0.92	3913.54
2018v	22.50	7.26	4.44	0.94	4410.99	22.3	7.83	3.85	0.93	4547.55
2038v	19.68	20.66	11.77	0.96	3601.56	20.33	6.45	10.81	0.87	4474.42
2039v	20.09	23.39	1.59	0.94	3665.99	20.21	5.16	4.42	0.90	3988.82
2056v	23.10	6.55	3.49	0.96	3710.22	22.97	7.14	2.94	0.96	3697.57

“--“ indicates that data were missing or that an accurate value could not be obtained.