Table 1 The four experimental groups
Group | Poor*Dim | Rich*Dim | Poor*Bright | Rich*Bright |
|---|---|---|---|---|
Number of subjects | 10 | 7 | 9 | 7 |
Age (years)*1 | 22.1 (4.6) | 21.4 (2.5) | 21.0 (2.4) | 21.4 (2.1) |
Height (cm)*1 | 170.9 (6.1) | 175.1 (5.1) | 173.1 (4.0) | 174.3 (6.3) |
Weight (kg)*1 | 57.7 (5.6) | 62.1 (7.4) | 64.1 (7.1) | 62.0 (5.8) |
BMI*1 | 19.9 (2.3) | 20.3 (2.9) | 21.2 (1.9) | 20.6 (2.5) |
Tryptophan content of breakfast | Poor*2 | Rich*3 | Poor*2 | Rich*3 |
Lighting condition during the daytime | Dim*4 | Dim*4 | Bright*5 | Bright*5 |