Table 5.
Associations of probable DCD scoring in children at age 7 years with prenatal blood lead, cadmium or mercury.
| Prenatal blood lead (μg/dl) |
Prenatal blood cadmium (μg/l) |
Prenatal blood mercury (μg/l) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| <5.00 | ≥5.00 | p | <0.25 | ≥0.25 | p | <2.00 | ≥2.00 | p | |
| Probable DCD | |||||||||
| Yesa | 49 (90.7%) | 5 (9.3%) | 0.307 | 20 (37.0%) | 34 (63.0%) | 0.085 | 29 (53.7%) | 25 (46.3%) | 0.552 |
| No | 1241 (85.8%) | 205 (14.2%) | 708 (49.0%) | 738 (51.0%) | 717 (49.7%) | 729 (50.4%) | |||
a
Probable DCD: <15th centile for Co-ordination test at age 7 years + failed Key Stage 1 writing and/or <15th centile of 23-item ADL scale (excluded IQ < 70, visual impairment, neurological condition) (Lingam et al., 2010).