. 2016 May 26;11(5):e0156339. doi: 10.1371/journal.pone.0156339

Table 3. Hierarchical multiple linear regression analysis, the temperament effects for occupational stress.

	Role conflict		Role ambiguity		Quantitative workload		Variance in workload		Intragroup conflict
	Step 1	Step2	Step 1	Step2	Step 1	Step2	Step 1	Step2	Step 1	Step2
	β	β	β	β	β	β	β	β	β	β
Gender	-0.189^*	-0.251^**	-0.041	-0.063	-0.012	-0.039	-0.07	-0.099	0.05	0.009
Age	-0.041	-0.026	-0.257^**	-0.174	-0.087	-0.082	-0.011	-0.008	0.009	0.035
Position classification	0.071	-0.044	0.033	0.022	0.211^*	0.174	0.297^**	0.283^**	0.121	0.091
Occupation	0.088	-0.14	0.022	0.05	0.097	0.131	0.027	0.075	0.026	0.075
Type of employment	-0.129	-0.124	-0.036	0.012	-0.099	-0.103	-0.142	-0.149	0.084	0.075
Temperaments
Depressive		-0.109		-0.043		0.048		0.01		-0.065
Cyclothymic		0.021		0.222		-0.144		0.01		-0.023
Hyperthymic		0.02		-0.316^***		0.001		0.069		0.046
Irritable		0.308^**		0.2		0.18		0.267^*		0.372^***
Anxious		0.183		-0.052		0.172		0.038		0.057
R	0.278	0.499	0.262	0.478	0.283	0.379	0.385	0.495	0.148	0.406
R²	0.077	0.249	0.068	0.229	0.08	0.143	0.148	0.245	0.022	0.165
R² Change score	0.077	0.172	0.068	0.16	0.08	0.063	0.148	0.097	0.022	0.143
F	2.32^*	6.142^***	2.043	5.577^***	2.421^*	1.982	4.835^***	3.455^**	0.62	4.597^**
	Job control		Job future ambiguity		Supervisors support		Coworkers support
	Step 1	Step2	Step 1	Step2	Step 1	Step2	Step 1	Step2
	β	β	β	β	β	β	β	β
Gender	-0.043	-0.039	0.035	-0.018	0.112	0.151	-0.012	0.042
Age	0.147	0.128	-0.183^*	-0.137	-0.007	-0.022	-0.151	-0.142
Position classification	0.193^*	0.205^*	-0.092	-0.123	-0.02	0.006	-0.043	-0.028
Occupation	0.011	-0.001	-0.122	-0.094	0.034	-0.016	-0.036	-0.078
Type of employment	-0.099	-0.136	0.043	0.082	-0.004	-0.013	0.149	0.137
Temperaments
Depressive		-0.123		-0.102		-0.023		0.046
Cyclothymic		-0.014		0.054		0.01		-0.017
Hyperthymic		0.230^**		-0.217^*		0.035		-0.008
Irritable		0.081		0.141		-0.245^*		-0.134
Anxious		-0.117		0.229^*		-0.135		-0.236^*
R	0.319	0.454	0.281	0.47	0.127	0.363	0.229	0.393
R²	0.102	0.206	0.079	0.22	0.016	0.132	0.053	0.155
R² Change score	0.102	0.104	0.079	0.141	0.016	0.116	0.053	0.102
F	3.156^*	3.513^**	2.384^*	4.863^***	0.455	3.577^**	1.545	3.233^*

* p < 0.05

** p < 0.01

*** p < 0.001

Step 1: adjusted for gender, age, and work-related variables, Step 2: adjusted for 5 temperaments, gender, age, and work-related variables.