Table 3
Longitudinal change in prevalence of hyperactivity in cases and controls aged 8 and 14 years
| Age 8 | Age 14 | ||||||
|---|---|---|---|---|---|---|---|
| Rutter | Connors | ||||||
| Hyper-activity absent |
Hyper-activity present | Total | Hyper-activity absent | Hyper-activity present | Total† | ||
| Cases | |||||||
| Hyper-activity absent | 104 | 3 | 107 (82%) | 100 | 5 | 105 (91%) | |
| Hyper-activity present | 20 | 3 | 23 (18%) | 9 | 1 | 10 (9%) | |
| Total3-150 | 124 (95%) | 6 (5%) | 130 (100%) | 109 (95%) | 6 (5%) | 115 (100%) | |
| Controls | |||||||
| Hyper-activity absent | 122 | 1 | 123 (94%) | 110 | 4 | 114 (90%) | |
| Hyper-activity present | 7 | 1 | 8 (5%) | 9 | 3 | 12 (10%) | |
| Total | 129 (98%) | 2 (2%) | 131‡ (100%) | 119 (94%) | 7 (6%) | 126¶ (100%) | |
-
↵3-150 No of missing observations: 2, p=<0.01; †No of missing observations: 17, p=0.4; ‡No of missing observations: 1, p=0.07; ¶No of missing observations: 6, p=0.3
