Table 1.

Changes in the three scales of the multidimensional mood-state questionnaire for each colour condition and for all colours combined. Mean ± standard deviation; **p < 0.01 (Wilcoxon signed rank test).

Colour	Mood	Alertness	Calmness
Red	−1.07 ± 3.25	−1.93 ± 2.27/**	−0.38 ± 3.97
Green	−0.06 ± 2.57	−0.19 ± 2.37	0.06 ± 2.29
Blue	−1.53 ± 3.48	−1.47 ± 3.20	−0.60 ± 3.91
Yellow	−1.25 ± 3.62	−1.33 ± 3.99	0.08 ± 3.80
All	−0.95 ± 3.19	−1.19 ± 2.97/**	−0.21 ± 3.43