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Table 3 Results from an analysis of covariance for repeated measures

From: The effect of a blue enriched white light on salivary antioxidant capacity and melatonin among night shift workers: a field study

variable Light color temperature F p
3000 (k) 6500 (k) 17,000 (k)
FRAP 592 (150) 6117 (114) 595 (164) 0.2 0.6
protein thiols 300 (91) 250 (87) 257 (97) 1.2 0.3
catalase activity 2.4 (1.2) 2.7 (1.1) 2.4 (1.3) 0.7 0.5
Salivary melatonin 22 (6) 18.6 (5.5) 16.5 (7) 6 0.009