Environmental and Health Effects of Benzene Exposure among Egyptian Taxi Drivers

Table 3

Health status among the studied groups.

	Drivers (no. = 280)		Unexposed controls (no. = 120)		Z test	value
		%		%
Pallor	76	27.1	8	6.7	4.46	<0.001
Palpitation	60	21.4	6	5.0	3.90	<0.001
Dizziness	68	24.3	5	4.2	4.63	<0.001
Headache	60	21.4	8	6.7	3.44	<0.001
Waist and back pain	152	54.3	12	10.0	8.14	<0.001
Fatigue	128	45.7	12	10.0	6.75	<0.001
Dry throat	68	24.3	8	6.7	3.97	<0.001
Insomnia	40	14.3	9	7.5	1.73	0.082
Anxiety	52	18.6	9	7.5	2.68	0.007
Lack of concentration	72	25.7	12	10.0	3.40	<0.001
Dreaminess	44	15.7	10	8.3	1.83	0.067
Dyspepsia	48	17.1	10	8.3	2.14	0.032
Constipation or diarrhea	16	5.7	4	3.3	0.76	0.447
Frequent micturition	16	5.7	4	3.3	0.76	0.447
Cough and expectoration	36	12.9	6	5.0	2.18	0.029
Chest congestion or asthma	16	5.7	0	0.0	2.39	0.016
Discomfort in last 2 weeks	72	25.7	11	9.2	3.59	<0.001
DM	28	10.0	6	5.0	1.45	0.147
Hypertension	48	17.1	7	5.8	2.97	0.002
Periodic checkup	24	8.6	10	8.3	0.10	0.922
Health evaluation
Good or very good	88	31.4	84	70.0	7.04	<0.001
Fair	136	48.6	36	30.0	7.0	<0.001
Poor	56	20.0	0	0.0	5.13	<0.001
Receiving health education before	16	5.7	8	6.7	0.16	0.875

Significant.