GCA scores adjusted for effect of sociodemographic factors grouped by perinatal variables (preterm groups only)
| Variable | Portage | Parent adviser | Preterm control | |||
|---|---|---|---|---|---|---|
| n | Mean (SEM) | n | Mean (SEM) | n | Mean (SEM) | |
| PVH, periventricular haemorrhage. | ||||||
| *p<0.05 for difference from preterm control group. | ||||||
| Male | 39 | 99.7 (1.0) | 34 | 99.3 (1.2) | 33 | 103.0 (1.0) |
| Birth weight | ||||||
| ⩽1250 g | 16 | 99.5 (2.0) | 26 | 98.6 (1.2) | 21 | 99.4 (1.6) |
| >1250 g | 44 | 99.9 (0.9)* | 34 | 100.3 (1.2) | 36 | 102.7 (1.0) |
| Gestation | ||||||
| ⩽28 weeks | 8 | 96.1 (2.6) | 13 | 101.5 (1.9) | 13 | 100.6 (1.9) |
| >28 weeks | 52 | 100.3 (0.9) | 47 | 99.1 (0.9) | 44 | 101.8 (1.0) |
| Appropriate size for gestational age | 58 | 99.8 (0.9) | 60 | 99.6 (0.9) | 56 | 101.5 (0.9) |
| Normal ultrasound | 58 | 99.8 (0.9) | 58 | 99.5 (0.9) | 53 | 101.2 (0.9) |
| Any haemorrhage (PVH) | 8 | 103.0 (2.7) | 4 | 96.9 (4.6) | 5 | 99.3 (3.7) |
| Any periventricular leucomalacia | 6 | 98.5 (3.9) | 4 | 94.0 (1.5) | 5 | 98.4 (4.4) |
| Not ventilated | 18 | 100.4 (1.3) | 18 | 98.6 (1.6) | 19 | 100.2 (1.5) |
| Ventilated ⩽7 days | 49 | 100.0 (0.9) | 41 | 99.6 (1.2) | 41 | 101.7 (1.1) |
| Ventilated >7 days | 11 | 98.5 (2.6) | 19 | 99.7 (1.6) | 16 | 100.9 (1.6) |