Table 3 Developmental performance and genotype.
| Developmental and subscale quotients | GG genotype | C allele | Mean difference (95% CI) | p Value |
|---|---|---|---|---|
| Griffith's DQ | 97.6 (1.5) | 92.7 (1.7) | 4.9 (−9.7 to −0.25) | 0.039 |
| Locomotor | 92.9 (1.4) | 91.4 (1.9) | 1.5 | |
| Personal‐social | 103.6 (1.7) | 96.2 (1.7) | 7.4 | |
| Hearing and speech | 94.9 (2.4) | 88.8 (2.4) | 6.1 | |
| Hand eye development | 93.8 (1.4) | 89.3 (1.9) | 4.5 | |
| Performance | 102.9 (1.8) | 97.6 (2.5) | 5.3 | |
| GCA | 100.9 (1.7) | 94.3 (2.2) | 6.6 (−12.4 to −0.7) | 0.028 |
| Verbal subscale | 103.7 (1.5) | 94.0 (3.3) | 9.7 | |
| Non‐verbal subscale | 100.0 (1,7) | 95.3 (2.4) | 4.7 | |
| Spatial subscale | 98.9 (1.8) | 93.3 (2.2) | 5.6 |
DQ, developmental quotient; GCA, general cognitive ability.
207 had follow up to 2 years and 156 had follow‐up to 5½ years.
Values are mean (SEM).