Table 1.

Untargeted metabolomics study population characterization.

Characteristics	Control	Benzene Exposure	p-Value
Sex			0.700
Male	14	13
Female	4	5
Age	32.06 ± 2.35	34.50 ± 2.29	0.214
Educational level			0.054
High school/Junior college	2	7
College/University	16	11
Smoking			0.480
Yes	11	13
No	7	5
Drinks alcohol			0.457
Yes	12	12
No	6	6
Length of service	9.56 ± 2.55	13.67 ± 2.46	0.037 *
Benzene exposure concentration	0.03 ± 0.003	1.66 ± 0.130	<0.000 *
Total	18	18

*: p < 0.05.