Table 2.

Targeted metabolomics study population characterization.

Characteristics	Control	Benzene Exposure	p-Value
Sex			0.969
Male	138	102
Female	20	16
Age	36.35 ± 10.68	34.57 ± 10.58	0.170
Educational level			0.168
High school/Junior College	33	34
College/University	125	84
Smoking			0.028 *
Yes	67	34
No	91	84
Drinks alcohol			0.569
Yes	46	12
No	112	6
Length of service	14.03 ± 11.93	13.95 ± 11.58	0.954
Benzene exposure Concentration	0.03 ± 0.01	1.37 ± 0.63	<0.000 *
Total	158	118

*: p < 0.05.