Comparison of responders to non-responders for children without disability at 5 years
| Not seen at 5 years | Seen at 5 years | p value | |||
|---|---|---|---|---|---|
| n | n | ||||
| GQ, general quotient; IQR, interquartile range. | |||||
| Gestation at birth (med; IQR) | 86 | 30 (29–31) | 187 | 30 (29–32) | 0.66 |
| Birth weight (g; med; IQR) | 86 | 1480 (1090–1745) | 187 | 1440 (1140–1700) | 0.48 |
| Male sex (n (%)) | 86 | 46 (54%) | 187 | 112 (60%) | 0.32 |
| Portage group (n (%)) | 86 | 33 (38%) | 187 | 65 (35%) | 0.56 |
| Parent adviser group (n (%)) | 86 | 31 (36%) | 187 | 61 (33%) | 0.58 |
| GQ at 2 years (mean (SD)) | 61 | 92 (8.3) | 179 | 101 (10.1) | <0.001 |
| Maternal age (y; mean (SD)) | 73 | 25 (5.1) | 179 | 26.9 (4.8) | 0.004 |
| Only child (n (%)) | 78 | 31 (40%) | 185 | 92 (50%) | 0.005 |
| Non-manual SES (n (%)) | 77 | 13 (17%) | 185 | 85 (45%) | <0.001 |
| Car use by mother (n (%)) | 73 | 32 (44%) | 177 | 121 (68%) | <0.001 |
| Single parent (n (%)) | 78 | 19 (22%) | 183 | 16 (9%) | 0.004 |