Table 1.
Characteristics of extremely preterm children and tern-born controls assessed at 11 years of age.
| All children | |||
|---|---|---|---|
| Term controls (n=153) | EP children (n=219) | ||
| ADHD RS-IV completed | |||
| Parent | n (%) | 140 (92) | 189 (86) |
| Teacher | n (%) | 146 (95) | 197 (90) |
| Parent & teacher | n (%) | 134 (88) | 172 (79) |
| Neither | n (%) | 1 (1) | 5 (2) |
|
| |||
| Children with parent & teacher data | |||
| Term controls (n=134) | EP children (n=172) | ||
|
| |||
| Age in months | Mean (SD) | 131 (6.7) | 130 (4.3) |
| Male | n (%) | 56 (42) | 77 (45) |
| Parent occupational status* | |||
| 1 (highest) | n (%) | 73 (57) | 70 (43) |
| 2 | n (%) | 20 (16) | 40 (24) |
| 3 | n (%) | 32 (25) | 44 (27) |
| 4 (lowest) | n (%) | 3 (2) | 9 (6) |
| Data at 2 years | n (%) | n/a | 169 (98) |
| Data at 6 years | n (%) | 96 (72) | 160 (93) |
| Neurodevelopmental outcomes | |||
| Any neurodevelopmental impairment | 2 (1.5%) | 69 (40.1%) | |
| Vision impairment | 0 | 12 (7%) | |
| Hearing impairment | 0 | 3 (1.7%) | |
| Gross motor impairment | 0 | 11 (6.4%) | |
| Cognitive impairment | 2 (1.5%) | 59 (34%) | |
*
Controls n=128, EP n=163; p=0.04.