Table 2. Primary Outcomes at Baseline, means (sd).
| Whole sample (n = 362) | Active (n = 180) | Placebo (n = 182) | |
| READING * | |||
| Word Reading – Standard Score (sd) § | 84.7 (6.3) | 84.6 (6.6) | 84.8 (6.7) |
| Reading age, months (sd) | 86.6 (9.9) | 86.1 (10.0) | 87.1 (9.7) |
| WORKING MEMORY | |||
| Digits Forward – T-Scores † (sd) | 40.5 (8.0) | 41.0 (8.2) | 40.0(7.7) |
| Digits Backward – T-scores † (sd) | 44.0 (6.8) | 44.0 (6.4) | 44.0 (7.1) |
| BEHAVIOR | |||
*
Obtained from the British Ability Scales II.13
‡
Obtained from Conners' Teacher Rating Scale (CTRS-L).15
‡‡
Obtained from Conners' Parent Rating Scale (CPRS-P).15
§
Standard Scores have a mean of 100, sd = 15.
†
Standard Scores have a mean of 50 sd = 10. For values above the mean, higher scores indicate more severe difficulties with behaviour and/or attention.