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. Author manuscript; available in PMC: 2006 Dec 1.

Published in final edited form as: Support Care Cancer. 2005 Apr 29;13(12):1010–1017. doi: 10.1007/s00520-005-0824-5

Table 3.

Light exposure measures (mean±SD) (n) by Week of Cycle 1 and Cycle 4

	Cycle 1				Cycle 4
Light exposure	Week −1 (n=63)	Week 1 (n=57)	Week 2 (n=54)	Week 3 (n=55)	Week −1 (n=50)	Week 1 (n=54)	Week 2 (n=52)	Week 3 (n=52)
Intensity^a	475.39±470.71	282.00±346.25^*	490.71±600.10	380.42±372.35	395.68±439.09	313.29±446.23^**	418.39±496.60	338.94±371.88
Duration^b	54.75±48.61	33.23±43.45^*	53.04±51.09	48.21±46.06	47.92±43.73	38.36±12.38^**	52.54±51.87	44.99±44.92

^a

Mean lux

^b

Minutes >1,000 lux/day

^*

p<0.0001 when compared with pretreatment (cycle 1 week −1),

^**

p<0.05 when compared with pretreatment (cycle 4 week −1)