
Lead Exposure of U.S. Children from Residential Dust 11
Variables Overall p-value
Levels Estimate (SE) p-Value
Apartment (≥ 10
units)
−0.133 (0.056) 0.022
Anyone smoke inside
the home
0.015
Missing 0.138 (0.140) 0.331
Yes 0.100 (0.040) 0.015
No 0.000 —
Log cotinine concen-
tration (ng/dL)
0.004
Intercept for
missing
−0.150 (0.063) 0.023
Slope 0.039 (0.012) 0.002
Window, cabinet, or
wall renovation in a
pre-1978 home
0.045
Missing −0.008 (0.061) 0.896
Yes 0.097 (0.047) 0.045
No 0.000 —
a
n = 2,155; R
2
= 40%.
b
Includes the 50 states and the District of Columbia.
Non-Hispanic black children had signifi cantly higher PbB than non-Hispanic
whites (p < 0.001). Country of ...