Journal of Environmental and Public Health / 2015 / Article / Tab 3

Research Article

Patterns of Exposure to Multiple Metals and Associations with Neurodevelopment of Preschool Children from Montevideo, Uruguay

Table 3

Mean hair arsenic, cadmium, manganese, and blood lead concentrations in participant groups according to the latent class analysis.

Cluster 1
“Low metal exposure”
Cluster 2
“Low-to-moderate metal exposure”
Cluster 3
“High lead and cadmium”
Cluster 4
“High metal exposure”

Cluster size0.7231 0.1909 0.0636 0.0224
Hair manganese (µg/g)20.70811.22713.24366.5836
Hair arsenic (µg/g)20.07260.17330.38785.6398
Hair cadmium (µg/g)20.09730.28840.62940.1222
Blood lead (µg/L)26.41384.46248.33077.4579

Values given as proportion of the study sample represented by the cluster; 2values given as mean concentration of a given metal in each cluster; highest mean concentrations of each metal appearing in bold.