Table 2.
Description of the parent-administered SDQ including the 4 sub-scales and Total Difficulties Score (n and n %) in 411 children and the description of the 4 tasks (Motor Screening Task, Big/Little Circle, Spatial Span Test, Delayed Matching to Sample) of the CANTAB in 430 children of the ENVIRONAGE birth cohort.
| Strength and Difficulties categories | n (%) |
|---|---|
| Peer relationship behavior | |
| Normal | 344 (83.7) |
| not normal | 67 (16.3) |
| Emotional behavior | |
| normal | 322 (78.3) |
| not normal | 89 (21.7) |
| Conduct problems | |
| normal | 307 (74.7) |
| not normal | 104 (25.3) |
| Hyperactive behavior | |
| normal | 310 (75.4) |
| not normal | 101 (24.6) |
| Total Difficulties Score | |
| Normal | 340 (82.7) |
| not normal | 71 (17.3) |
| Outcomes of the CANTAB | n | min | p25 | p50 | p75 | max |
|---|---|---|---|---|---|---|
| Motor Screening | 422 | |||||
| Response latency, milliseconds | 535.1 | 812.8 | 964.0 | 1157.5 | 2961.8 | |
| Error, pixel units | 6.7 | 12.3 | 14.3 | 16.3 | 23.0 | |
| Big/Little Circle | 423 | |||||
| Response latency, milliseconds | 683.0 | 965.0 | 1091.5 | 1232.2 | 2719.9 | |
| Spatial Span | 429 | |||||
| Span Length | 0 | 2 | 3 | 3 | 5 | |
| Delayed Match to Sample | 423 | |||||
| Response latency, milliseconds | 945.7 | 3280.8 | 4111.2 | 5070.5 | 13994.7 | |
| Probability of error given correct answer | 11.8 | 41.7 | 55.6 | 66.7 | 100.0 | |
| Percentage correct, % | 0.0 | 35.0 | 45.0 | 55.0 | 90.0 |