Study of Heavy Metal Levels among Farmers of Muda Agricultural Development Authority, Malaysia

Table 3

Comparison of average levels of cadmium, lead, and arsenic (mg/g) in farmers according to their blood pressure and smoking habits.

Parameter	Mean concentration (mean ± SD)
	Cadmium (Cd)	Plumbum (Pb)	Arsenic (As)
Blood pressure
Normal blood pressure	0.784±0.687	6.222±5.210	7.453±3.047
High blood pressure	1.012±0.818	6.999±5.045	8.267±3.371
Smoking habit
Smokers	0.921±0.787	6.693±5.228	7.798±3.025
Nonsmokers	0.756±0.655	6.285±5.680	7.634±3.716