Table 3 Multiple regression models using changes in all or ‘clusters’ of zinc transporters identified by principal component analysis to predict the change in MT-2A gene expression over the study period

Δ MT-2A

Δ All ZnTs and ZIPs^a

0.542

0.029

ZIP1

0.89 ± 0.26

0.003

Δ Cluster 1^b

0.477

0.003

ZIP1

0.77 ± 0.22

0.002

Δ Cluster 2^c

0.073

NS

–

–

–