Table 4. Brunel Mood Scale data of men and women before, during, and after 4 h of gaming.
| Variable | Caffeine | AmaTea® | Placebo |
|---|---|---|---|
| Anger* | |||
| Hour 0 | 4.8±2.1 | 4.3±1.0 | 4.6±1.3 |
| Hour 1 | 4.8±1.6 | 4.7±1.3 | 4.8±1.9 |
| Hour 2 | 4.7±1.5 | 4.9±1.7 | 4.8±1.4 |
| Hour 3 | 5.0±1.8 | 5.3±2.2 | 4.9±1.6 |
| Hour 4 | 5.6±2.7 | 4.9±1.6 | 4.9±2.1 |
| Tension | |||
| Hour 0 | 5.4±2.1 | 5.3±1.8 | 5.3±2.6 |
| Hour 1 | 5.5±2.7 | 5.2±1.7 | 5.2±1.8 |
| Hour 2 | 5.2±2.3 | 5.3±1.6 | 4.8±1.6 |
| Hour 3 | 4.9±1.8 | 5.1±1.6 | 4.7±1.4 |
| Hour 4 | 5.1±1.9 | 4.9±1.6 | 4.8±1.7 |
| Depression* | |||
| Hour 0 | 4.6±1.4 | 4.3±0.9 | 4.4±1.0 |
| Hour 1 | 4.2±0.5 | 4.2±0.6 | 4.2±0.6 |
| Hour 2 | 4.3±0.8 | 4.2±0.7 | 4.5±1.0 |
| Hour 3 | 4.4±0.9 | 4.6±1.1 | 4.4±0.8 |
| Hour 4 | 4.7±1.8 | 4.6±1.2 | 4.4±0.9 |
| Vigor* | |||
| Hour 0 | 11.4±3.3 | 12.9±3.0 | 12.1±3.8* |
| Hour 1 | 14.0±3.3 | 14.3±3.2 | 13.5±3.6* |
| Hour 2 | 13.8±3.3 | 13.8±3.3 | 12.6±3.4* |
| Hour 3 | 13.1±3.1 | 12.5±3.7 | 12.3±3.6* |
| Hour 4 | 11.9±3.5 | 11.6±3.7 | 11.0±3.3* |
| Fatigue* | |||
| Hour 0 | 6.8±3.2 | 6.3±2.5 | 7.1±3.6* |
| Hour 1 | 5.9±2.5 | 5.4±2.0 | 6.3±2.5* |
| Hour 2 | 6.4±3.4 | 5.9±2.2 | 7.0±3.1* |
| Hour 3 | 7.0±3.3 | 6.8±2.8 | 7.8±3.5* |
| Hour 4 | 8.1±3.8 | 8.3±3.4 | 8.6±3.7* |
| Confusion | |||
| Hour 0 | 4.7±1.4 | 5.0±1.7 | 4.9±1.8 |
| Hour 1 | 4.6±1.2 | 4.6±1.1 | 4.8±1.7 |
| Hour 2 | 4.7±1.3 | 4.8±1.6 | 4.5±1.1 |
| Hour 3 | 4.7±1.4 | 4.6±1.3 | 4.4±1.3 |
| Hour 4 | 4.9±2.0 | 4.6±1.2 | 4.6±1.4 |
| Happy* | |||
| Hour 0 | 12.4±2.9 | 13.3±2.4 | 12.8±3.1 |
| Hour 1 | 12.6±3.0 | 13.3±2.8 | 12.6±3.3 |
| Hour 2 | 12.7±2.6 | 12.8±3.0 | 11.9±2.7 |
| Hour 3 | 12.1±2.7 | 12.4±3.4 | 12.0±3.0 |
| Hour 4 | 11.5±3.2 | 11.7±3.3 | 11.9±2.7 |
| Calmness* | |||
| Hour 0 | 12.6±2.8 | 13.9±2.8 | 12.9±3.2 |
| Hour 1 | 11.0±2.9 | 11.9±2.8 | 12.0±3.3 |
| Hour 2 | 12.0±2.9 | 11.7±2.9 | 12.1±2.9 |
| Hour 3 | 11.7±3.1 | 12.1±2.9 | 12.3±3.4 |
| Hour 4 | 11.6±3.3 | 11.8±3.1 | 12.2±2.7 |
Values are mean±SD.
Time effect for Anger (P=0.04); Values higher at h 3 than h 0 and 1 (P=0.02) and higher at h 4 than h 0 and 1 (P=0.008). *Time effect for Depression (P=0.02); Values higher at h 4 than h 1 (P<0.05). *Time effect for Vigor (P<0.0001); Values higher at h 1 and 2 than h 0 (P<0.05), higher at h 1 than h 3 and 4 (P<0.05), and higher at h 2 than h 4 (P<0.05); Condition effect for Vigor (P=0.05) with values lower for Placebo than for AmaTea® (P=0.02). *Time effect for Fatigue (P<0.0001); Values higher at h 4 than all other times (P<0.05), higher at h 3 than h 1 (P<0.05); Condition effect for Fatigue (P=0.01) with values higher for Placebo than for AmaTea® (P<0.05). *Time effect for Happy (P=0.005); Values lower at h 4 than h 0 and 1 (P<0.05). *Time effect for Calmness (P=0.0002); Values at h 0 higher than all other times (P<0.05). No other differences of statistical significance were noted (P>0.05).