Chromium Exposure and Hygienic Behaviors in Printing Workers in Southern Thailand

Table 3

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

Dependent variable-independent variable	Adjusted	Standardized beta coefficient	value	Significance
First equation
Smoking	0.711	0.047	0.718	0.475
Hours per day		0.045	0.505	0.615
Years of work		0.000	−0.008	0.994
Positions		0.111	1.732	0.088
Mask		−0.808	−8.980	0.000
Second equation
Smoking	0.418	−0.010	−0.114	0.910
Hours per day		0.455	4.117	0.000
Years of work		0.080	0.846	0.400
Positions		0.105	1.092	0.279
Gloves		−0.253	−2.311	0.024
Third equation
Smoking	0.386	0.005	0.056	0.955
Hours per day		0.554	5.476	0.000
Years of work		0.046	0.475	0.636
Positions		0.122	1.175	0.244
Eating snacks or drinking water at work		−0.130	−1.195	0.236
Fourth equation
Smoking	0.425	0.117	1.114	0.269
Hours per day		0.444	4.042	0.000
Years of work		0.082	0.865	0.390
Positions		0.180	2.001	0.049
Washing hands before lunch		−0.304	−2.508	0.015
Fifth equation
Smoking	0.377	−0.011	−0.112	0.911
Hours per day		0.592	5.962	0.000
Years of work		0.043	0.441	0.661
Positions		0.194	1.993	0.050
Washing hands after work		0.062	0.646	0.521

Significant at .