Some Biochemical and Hematological Parameters among Petrol Station Attendants: A Comparative Study

Table 1

Sociodemographic and occupational profiles of study groups.

Characteristic	Petrol station attendants (102)		Comparison group (102)		Test of significance
Age (years); Mean ± SD	37.6 ± 12.1		37.4 ± 10.1		,
	Number	%	Number	%
Education
Illiterate/read and write	17	16.7	10	9.8	,
Primary and above	85	83.3	92	90.2
Marital status
Unmarried	21	20.6	16	15.7	,
Married	81	79.4	86	84.3
Residence
Rural	76	74.5	80	78.4	,
Urban	26	25.5	22	21.6
Type of contract
Temporary	85	83.3	81	79.4	,
Permanent	17	16.7	21	20.6
Duration of employment (ys); Median (min–max)	10 (0.1–40)		6.5 (0.4–33)		,
Current smoking	46	45.1	33	32.4	,
Duration of smoking (ys); Median (min–max)	10 (1.5–40)		6 (2–21)		,

SD = standard deviation.
of Mann Whitney test.
Among smokers.