Environmental and Health Effects of Benzene Exposure among Egyptian Taxi Drivers

Table 2

Characteristics of drivers and unexposed group.

	Drivers (no. = 280)		Non drivers (no. = 120)		Test of sig.	value
	No.	%	No.	%
Age (Y),	42.80 ± 9.69		43.86 ± 6.74		t = 1.26	0.208
Residence
Urban	190	67.9	90	75.0	χ^2; 2.04	0.153
Rural	90	32.1	30	25.0
Education
Basic	56	20.0	36	30.0	χ^2; 7.21	0.027
Secondary	200	71.4	80	66.7
University	24	8.6	4	3.3
Income
Enough	132	47.1	58	48.3	0.04	0.827
Not enough	148	52.9	62	51.7
Marital status
Single	100	35.7	40	33.3	0.20	0.647
Married	180	64.3	80	66.7
Smoking
Smokers	196	70.0	67	55.8	χ^2; 7.48	0.006
Nonsmokers	84	30.0	53	44.2
Duration of driving work (years)
10	40	14.3	—		—	—
≥10	240	85.7
Driving work hours/day
<8	26	9.0	—		—	—
≥8	264	91.0

Significant.