Influence of various possible risk factors on the development of DAMP
| Risk factor | p value | Relative risk (CI) |
|---|---|---|
| Motor clumsiness in family | 0.025 | 3.8 (1.2 to 12.1) |
| Language disorder in family | 0.06 | 2.6 (1.0 to 6.7) |
| Maternal smoking in pregnancy | 0.10 | 2.5 (0.8 to 7.3) |
| (Low) birth weight | 0.023 | – |
| (Low) social class | 0.002 | 4.5 (1.7 to 11.6) |
| Divorce | > 0.30 | 1.0 (0.3 to 3.3) |
A multivariate logistic regression model with relative risks, 95% confidence intervals, and p values. Information about familial factors and prenatal history was missing for two boys in the DAMP group, 60 children with DAMP and 51 comparison children are included in the model.