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. 2014 Oct 9;9(10):e109984. doi: 10.1371/journal.pone.0109984

Table 2. Multiple linear regression model for meconium Pb concentration.

Variable in model β P value
Nativitya 0.32 0.03
Age 0.0006 0.97
Body weight −0.0004 0.01
Parity 0.23 0.36
Consumed traditional Chinese herbs 0.37 0.01
As concentration in meconium 0.65 0.0001
a

Foreign-born mothers vs. Taiwan-born mothers.