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. 2021 Jun 11;28(41):58364–58374. doi: 10.1007/s11356-021-13195-z

Table 2.

Approximate significance of GAM model smooth terms

Variables edf Ref. df F p-value
s((WhMI)−0.33) 4.611 5.572 5.528 0.000
s((HsMI)−0.33) 5.337 6.416 8.391 0.000
s((UTI)5.22) 1 1 1.227 0.273
s(Log(PD)) 1 1 7.332 0.009