TABLE 1.

CORRELATION OF AVERAGE DAILY ELEMENTAL CARBON ATTRIBUTABLE TO TRAFFIC EXPOSURE BY CHILD AGE

	0–6 mo	7–12 mo	13–24 mo	25–36 mo
0–6 mo	1
7–12 mo	0.93	1
13–24 mo	0.86	0.94	1
25–36 mo	0.70	0.72	0.81	1