Chromium Exposure and Hygienic Behaviors in Printing Workers in Southern Thailand

Table 4

Regression analysis of occupational life style, used PPE, and personal hygiene behavior on urinary chromium levels ().

Dependent variable-independent variable	Adjusted	Standardized beta coefficient	value	Significance
First equation
Smoking	0.542	−0.077	−0.906	0.362
Hours per day		0.333	2.833	0.006
Years of work		0.310	3.595	0.001
Positions		0.218	2.599	0.011
Mask		−0.183	−1.559	0.124
Second equation
Smoking	0.508	−0.089	−1.051	0.297
Hours per day		0.376	3.703	0.000
Years of work		0.343	3.923	0.000
Positions		0.189	2.142	0.036
Gloves		−0.153	−1.519	0.133
Third equation
Smoking	0.532	−0.058	−0.688	0.493
Hours per day		0.400	4.533	0.000
Years of work		0.328	3.902	0.000
Positions		0.134	1.483	0.143
Eating snacks or drinking water at work		0.553	−2.437	0.017
Fourth equation
Smoking	0.526	0.014	0.151	0.881
Hours per day		0.342	3.420	0.001
Years of work		0.352	4.104	0.000
Positions		0.235	2.872	0.005
Washing hands before lunch		−0.244	−2.223	0.030
Fifth equation
Smoking	0.492	−0.090	−1.049	0.298
Hours per day		0.455	5.077	0.000
Years of work		0.319	3.650	0.001
Positions		0.234	2.667	0.010
Washing hands after work		0.006	0.069	0.945

Significant at .