Table 5.

Oxidative stress marker association to various variables.

Variable	Antioxidants level
	SOD (U ml-1)			GSH (μg ml-1)
	n=75	Mean±SD/Median (IQR)	p-value	n=5	Mean±SD/Median (IQR)	p-value
PM2.5 and NO2 exposure
High PM2.5/low NO2	39	83.03(69.49)	0.714	39	0.63±0.06	0.197
Low PM2.5/high NO2	36	89.54(51.42)		36	0.60±0.12
Sex
Female	58	83.44(60.10)	0.889	58	0.62±0.09	0.819
Male	17	93.92(60.17)		17	0.62±0.10
Nutrition status (BMI age)
Normal	27	83.03(53.35)	0.368	27	0.63±0.09	0.662
Abnormal (thin and fat)	48	88.23(63.68)		48	0.61±0.10
Upper respiratory tract infection history (last 6 months)
Yes	57	80.29(59.09)	0.300	57	0.61±0.10	0.190
No	18	104.25(64.57)		18	0.65±0.09
Smoking family member
Yes	43	110.71(62.96)	0.001	43	0.64±0.09	0.036
No	32	68.99(36.44)		32	0.59±0.10
Dietary supplement consumption (at least once per week last month)
Yes	32	92.93(43.94)	0.213	32	0.60±0.10	0.617
No	43	98.93(55.97)		43	0.63±0.09
Mosquito repellent usage
Yes	42	89.82(53.44)	0.601	42	0.60±0.10	0.035
No	33	84.87(73.19)		33	0.64±0.08