Table 1:

Selected characteristics of 203 children participating in the TESIE Study.

Characteristic	N or mean	% or range
Child sex
male	113	55.7%
female	90	44.3%
Child age
months (average and range)	53.9	38–73
38–47 months	34	16.7%
48–59 months	130	64.0%
60–73 months	39	19.2%
Maternal race/ethnicity
non-Hispanic white	84	41.4%
non-Hispanic black	75	36.9%
Hispanic white	41	20.2%
Other	3	1.5%
Maternal educational
less than college graduate	113	55.7%
college graduate or more	90	44.3%
Average temperature during sample collection (°C mean and range)	15.5	−4.4–29.4
Season during sample collection
winter	53	26.1%
spring	45	22.2%
summer	34	16.7%
fall	71	35.0%