Neurodevelopment of Amazonian Infants: Antenatal and Postnatal Exposure to Methyl- and Ethylmercury

Table 2

Results of the logistic regression of a child showing a score above the median; a negative sign demonstrates a diminished probability.

Parameter	Coefficient	Standard	Wald 𝜒^2	Pr>𝜒^2
	(𝛽)	error
Intercept	−1.5406	3.4667	0.1975	0.6568
Sex	0.1659	0.2940	0.3184	0.5726
Age	0.0639	0.2216	0.0832	0.7731
Birth weight	−0.00010	0.000286	0.1169	0.7325
W/H-Z score	0.2268	0.1457	2.4229	0.1196
W/A-Z score	−0.2695	0.2180	1.5295	0.2162
TCV-EtHg	−0.0157	0.00583	7.2714	0.0070
HHg	−0.0694	0.0537	1.6691	0.1964
Breastfeeding score	−0.00655	0.00339	3.7265	0.0536

W/H: weight for height; W/A: weight for age; VCT-EtHg: thimerosal-containing vaccine-ethylmercury; HHg: hair mercury; breastfeeding score = age of infant in days/breastfeeding days × 100.