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Mean mood scores (adjusted means; standard errors in parentheses) for the two conditions before and after the performance tasks (high scores = greater alertness, more positive affect and less anxiety).
| Mood | Variable | Inulin | Placebo |
|---|---|---|---|
| Before cognitive tasks | Alertness | 232.2 (9.5) | 232.1 (9.5) |
| Hedonic tone | 182.2 (6.5) | 181.3 (6.6) | |
| Anxiety | 89.7 (2.9) | 85.6 (3.4) | |
| After cognitive tasks | Alertness | 210.0 (8.4) | 213.5 (8.8) |
| Hedonic tone | 174.4 (5.4) | 174.9 (6.0) | |
| Anxiety | 84.6 (2.7) | 83.0 (3.0) |
