Table 2.

Mercury effects on neurobehavioral tests at 7 and 14 years of age, as determined in structural equation analysis with covariate adjustment that includes maternal fish intake during pregnancy at different levels of precision (indicated by the reliability ratio).

	7 Years		14 Years
	Motor function		Motor function		Spatial function
Precision of fish nutrient intake (%)	Mercury effecta	p-Value	Mercury effect	p-Value	Mercury effect	p-Value
100	−12.2	0.0092	−9.37	0.0082	1.04	0.78
68	−13.7	0.0048	−10.7	0.0036	0.088	0.96
43	−17.0	0.0017	−13.6	0.0009	−1.57	0.73
27	−23.7	0.0006	−20.1	0.0003	−4.18	0.51

^aEffect of true exposure doubling expressed in percent of SD of latent response.