Effects of Occupational Exposure to Waste Anesthetic Gas on Oxidative Stress and DNA Damage

Table 1

Demographic characteristics of the exposure and control groups .

Group	Exposure group ()	Control group ()	value
Sex
Man	19	26	0.72
Woman	49	56
Age			0.06
LOS			0.39
Smoking
Yes	4	6	0.72
No	64	76
Drinking
Yes	6	9	0.78
No	62	73
BMI			0.88

Notes. (1) Smoking was defined as smoking at least one cigarette per day for more than a year or having quit smoking for <1 y. (2) Drinking was defined as consuming alcohol at least once per week for more than half a year. (3) LOS: length of service. (4) BMI: body mass index.