Blood Lead Levels among Blood Donors and High-Risk Occupational Groups in a Mining Area in Ghana: Implications for Blood Transfusion among Vulnerable Populations

Table 2

Basic variable description by occupation.

Variable	Occupation	Observation	Mean	Range
Haemoglobin	Blood donors	40	13.7	12.1–16.1
	Small scale miners	40	14.6	10.9–16.8
	Fuel attendants/drivers	40	14.3	11.5–16.8
	Auto-mechanics	40	14.1	10.0–15.7
	Painters/sprayers	40	14.0	7.4–16.1
Age	Blood donors	40	32.0	18.0–57.0
	Small scale miners	40	29.0	19.0–42.0
	Fuel attendants/drivers	40	29.3	20.0–47.0
	Auto-mechanics	40	25.0	18.0–40.0
	Painters/sprayers	40	27.0	18.0–55.0
Number of years employed	Blood donors	40	6.7	<1.0–35.0
	Small scale miners	40	5.5	1.0–15.0
	Fuel attendants/drivers	40	4.5	<1.0–22.0
	Auto-mechanics	40	3.9	<1.0–20.0
	Painters/sprayers	40	3.6	<1.0–15.0