Heavy Metals Exposure and Hygienic Behaviors of Workers in Sanitary Landfill Areas in Southern Thailand

Table 6

Multiple regression occupational life style, used PPE, and personal hygiene behavior on blood cadmium and lead levels in subject workers ().

Dependent variable, independent variable	Blood cadmium levels in subject workers				Blood lead levels in subject workers
	Adjusted	Standardized beta coefficient	t value	Significance	Adjusted	Standardized beta coefficient	t value	Significance
Equation
Smoking	0.418	0.341	4.213	0.001	0.450	0.452	4.402	0.001
Days worked per week		0.432	4.521	0.001		0.021	0.112	0.743
Duration of work		0.039	0.401	0.521		0.055	0.492	0.674
Position		0.448	5.120	0.001		0.466	4.480	0.001
Mask				0.001				0.001
Equation
Smoking	0.458			0.897	0.378	0.032	0.622	0.574
Days worked per week		0.511	5.200	0.001		0.062	0.395	0.544
Duration of work		0.095	0.897	0.450		0.118	1.850	0.095
Position		0.158	2.058	0.312		0.395	3.801	0.001
Gloves				0.031				0.011
Equation
Smoking	0.401	0.445	4.810	0.001	0.530			0.501
Days worked per week		0.025	0.251	0.410		0.408	4.585	0.001
Duration of work		0.075	0.870	0.390		0.382	3.854	0.001
Position		0.091	0.955	0.420		0.145	1.452	0.148
Ate snacks or drank water at work				0.001		0.565		0.021
Equation
Smoking	0.569	0.501	5.220	0.001	0.391			0.251
Days worked per week		0.691	6.852	0.001		0.410	4.210	0.001
Duration of work		0.051	0.511	0.721		0.382	3.791	0.001
Position		0.495	5.233	0.001		0.325	3.180	0.001
Washed hands before lunch				0.001		0.004	0.072	0.985

Significance at .