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.
