Table 3.
Mean latencies (sec) recorded on the Trail-Making test (TMT: standard deviation in parentheses) for 3 subject groups divided by gender (A) and age (B)
| TMT-A | TMT-B | TMT B–A | |||||
|---|---|---|---|---|---|---|---|
| N | |||||||
|
| |||||||
| A/Gender | Latency | (sd) | Latency | (sd) | Latency difference (sd) | ||
| ADHD | M 47 | 54.1 | (32.0) | 160.0 | (106.6) | 108.51 | (82.0) |
| F 9 | 43.4 | (17.4) | 98.4 | (46.3) | 55.0 | (33.9) | |
| Sibs | M 19 | 45.9 | (20.4) | 129.5 | (87.4) | 83.62 | (70.3) |
| F 21 | 36.7 | (15.8) | 93.8 | (47.1) | 57.0 | (37.0) | |
| Cons | M 48 | 42.7 | (17.6) | 114.9 | (50.3) | 72.23 | (38.9) |
| F 22 | 39.1 | (12.3) | 91.0 | (30.0) | 51.8 | (25.9) | |
|
| |||||||
| B/Age | Latency | (sd) | Latency | (sd) | Latency difference (sd) | ||
| ADHD | <12y (29) | 62.6a | (36.7) | 188.1a,b | (122.8) | 126.2a,c | (93.2) |
| >11y (27) | 41.5 | (15.7) | 109.4 | (47.7) | 71.7 | (46.1) | |
| Sibs | <12y (25) | 65.6 | (58.8) | 145.2 | (76.0) | 94.1 | (63.3) |
| >11y (17) | 27.5 | (7.3) | 64.1 | (14.4) | 36.6 | (13.3) | |
| Cons | <12y (38) | 48.9 | (16.7) | 129.9 | (49.6) | 80.9 | (40.3) |
| >11y (32) | 32.9 | (10.2) | 80.7 | (20.9) | 47.7 | (19.8) | |
A/males (M) vs. females (F) within each group.
1
p = .057;
2
p = .003;
3
p = .002,
a
B/ younger (<12y) vs. older cases (>11y) .0001 < p < .05;
b
ADHD vs. Controls, p = .007;
c
ADHD vs. Controls, p = .01.