Table 1.
Reaction time (RT) in milli-seconds according to level of (SDQ) among early adolescents.
| SDQ | N | Mean (SD) | Mean Difference | 95% Confidence Interval | P Value |
|---|---|---|---|---|---|
| Flanker total RT[ms] | |||||
| Close to average | 56 | 11559.1 (1613.8) | Referent | Referent | Referent |
| Slightly raised | 12 | 12360.2 (1612.7) | 801.1 | -305.0, 1907.1 | 0.153 |
| High | 6 | 12503.2 (1410.9) | 944.1 | -549.6, 2437.7 | 0.212 |
| Very high | 12 | 13499.9 (2499.6) | 1940.8* | 834.7, 3046.9 | 0.001 |
| Flanker congruent RT [ms] | |||||
| Close to average | 56 | 445.6 (68.4) | Referent | Referent | Referent |
| Slightly raised | 12 | 470.3 (54.6) | 24.7 | -24.2, 73.6 | 0.317 |
| High | 6 | 486.35 (49.2) | 40.6 | -25.4, 106.7 | 0.224 |
| Very high | 12 | 531. 9 (130.5) | 86.3* | 37.4, 135.2 | 0.001 |
| Flanker incongruent RT [ms] | |||||
| Close to average | 56 | 482.9 (81.8) | Referent | Referent | Referent |
| Slightly raised | 12 | 514.1 (85.2) | 31.2 | -22.3, 84.7 | 0.249 |
| High | 6 | 514.1 (67.8) | 31.1 | -41.1, 103.4 | 0.394 |
| Very high | 12 | 570.1 (102.3) | 87.2* | 33.7, 140.7 | 0.002 |
| Flanker average of RT [ms] | |||||
| Close to average | 56 | 464.3 (72.2) | Referent | Referent | Referent |
| Slightly raised | 12 | 492.2 (65.9) | 28.0 | -21.3, 77.2 | 1.000 |
| High | 6 | 500.2 (56.7) | 5. 9 | -30. 6, 102.3 | 1.000 |
| Very high | 12 | 551.0 (115.0) | 86.7* | 37.5, 135.9 | 0.004 |
SDQ: Strengths and Difficulties Questionnaire.
*The mean difference is significant at the 0.05 level.