Table 5.

Weighted multi-variable linear regression age-adjusted estimates of the associations between log of BLL and other study variables, (N=426,718)

Exposure variable	Geometric Mean* BLL (95% CI)	Beta (SE)	Ratio of geometric means (95% CI)	p Value
Lead hobby of anyone in household		0.34 (0.16)	1.40 (1.03, 1.90)	0.0302
Yes	1.49 (1.08, 2.05)
No	1.06 (0.90, 1.27)
Mother's education		0.38 (0.14)	1.46 (1.11, 1.92)	0.0088
< high school diploma/GED	1.54 (1.21, 1.93)
≥ high school	1.05 (0.87, 1.27)
Data collection month (2010)		0.49 (0.17)	1.63 (1.16, 2.27)	0.0055
June/July	1.43 (1.34, 1.55)
November	0.88 (0.64, 1.22)
Age, years (continuous)	N/A	−0.07 (0.04)	N/A	0.1443