Table 4.

Effects of job characteristics on safety level, job stress, and job satisfaction.

Variables	Model 1			Model 2			Model 3
	B	SE	β	B	SE	β	B	SE	β
Workspace cleanliness	0.562	1.026	0.035	0.652	0.989	0.041	0.638	0.899	0.040
Whether dangerous work	−1.715	0.930	−0.111	−1.229	0.904	−0.080	−1.178	0.822	−0.077
Working space width	−1.238	0.865	−0.079	−0.982	0.836	−0.063	−1.028	0.760	−0.066
Rest facility	−0.428	0.602	−0.039	−1.012	0.596	−0.093	−0.811	0.543	−0.075
Freedom to use vacation	1.000	1.250	0.041	0.445	1.212	0.018	0.218	1.102	0.009
Annual income	−0.560	0.445	−0.067	−0.505	0.429	−0.060	−1.129	0.401	−0.134
Number of full-time workers	1.098	0.332	0.177	0.952	0.321	0.153	0.763	0.293	0.123
Air-conditioning facility	0.191	1.548	0.007	0.063	1.492	0.002	0.906	1.362	0.035
Heating facility	0.956	0.806	0.065	1.306	0.781	0.088	1.204	0.710	0.082
Other business support	0.643	0.390	0.088	0.555	0.377	0.076	0.763	0.344	0.105
Self-development support	0.113	0.394	0.016	−0.105	0.383	−0.015	−0.002	0.349	0.000
Adequate wage level	−0.766	0.730	−0.067	−0.547	0.705	−0.048	−0.073	0.645	−0.006
Stable working conditions	−2.657	0.939	−0.225	−0.747	1.013	−0.063	−0.271	0.924	−0.023
Freedom of job authority	−3.622	0.865	−0.312	−2.805	0.856	−0.241	−1.785	0.793	−0.154
Retention Qualifications	1.182	1.037	0.063	0.726	1.005	0.039	−0.237	0.925	−0.013
Safety level				−0.457	0.109	−0.345	−0.401	0.100	−0.303
Job satisfaction							−0.304	0.045	−0.337
F(p)	14.918∗∗∗			16.157∗∗∗			21.088∗∗∗
$R^2$	0.511			0.548			0.628
adj. $R^2$	0.477			0.514			0.599

Dependent variable: Job stress ∗p < .05, ∗∗p < .01, ∗∗∗p < .001.