. Author manuscript; available in PMC: 2019 Apr 3.

Published in final edited form as: J Pediatr. 2017 Jul 12;189:155–161. doi: 10.1016/j.jpeds.2017.06.032

Table 1:

Demographic data (n=139)

Subject Characteristics	Mean ± SD or N(%)
Age, years	3.22 ± 1.06
Female	76 (55%)

Race
African-American	76 (54.68%)
White	32 (23.02%)
Multi-racial	24 (17.27%)
Other	7 (5.03%)

Ethnicity
Hispanic or Latino	12 (8.63%)

Family Economic Status
Subject insured by Medicaid, n (%)	122 (82%)

Maternal Education, n (%)
Less than high school	44 (31.65%)
High school or GED	35 (25.18%)
Some college	41 (29.50%)
College graduate	19 (13.67%)

	*Mean ± SD or median (range)*
SHS exposure: hair nicotine (ng/mg)	5.51 ± 8.43
Hair nicotine median, range (ng/mg)	1.86 (0.025 – 39.45)
BMI, kg/m²	16.98 ± 2.28
BMI, z-score	0.90 ± 1.39