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Table 4 Linear regression models of logarithm10 Pb in blood concentrations as dependent variables of logarithm10 Pb in soil concentrations, in the neighborhoods of the elementary schools were children lived at 0, 6, 12 and 60 months of follow-up in Torreon Coahuila.

From: Follow-up study on lead exposure in children living in a smelter community in northern Mexico

Follow-up n* Coefficient (CI 95%) Beta P > | t |
0 196 0.095
(0.0494 - 0.1407)
0.283 0.000
6 196 0.074
(0.0279 - 0.1192)
0.222 0.002
12 196 0.130
(0.8336 - 0.1765)
0.367 0.000
60 196 - 0.009
(-0.6068 - 0.0433)
- 0.024 0.743
  1. *.- There were 196 children who lived in the vicinity of the elementary school from where the soil samples were gathered.
  2. CI. Confidence interval of regression coefficient at 95%.