Table 4.

Hierarchical binary logistic regression on potential variables associated with anxiety in physicians from a cancer hospital

Variables	Block 1a		Block 2a		Block 3a		Block 4a
	OR	p-value	OR	p-value	OR	p-value	OR	p-value
Block 1 - Physician characteristics
Gender (male vs. female)	0.235	< 0.001	0.261	0.001	0.326	0.012	0.410	0.052
Psychological/psychiatric antecedents	11.041	0.002	10.205	0.003	7.519	0.018	8.188	0.017
Optimistic personality
Optimist	1.000		1.000		1.000		1.000
Neither optimist nor pessimist	3.121	0.003	3.808	0.001	2.680	0.023	2.406	0.049
Pessimist	5.182	0.015	5.804	0.014	3.984	0.082	4.027	0.091
Block 2 - Workplace characteristics
Main work type
Clinic			1.000		1.000		1.000
Surgery			0.433	0.126	0.632	0.434	0.556	0.326
Diagnosis			0.459	0.107	0.892	0.835	1.056	0.911
ICU/ED			0.518	0.472	0.525	0.520	0.530	0.533
Anesthesiology			1.116	0.907	1.417	0.719	1.223	0.838
Block 3 – Workplace perceived stressors
Lack of recognition by the hospital					1.554	0.366	1.603	0.350
Lack of recognition by patients/caregivers					1.977	0.288	2.638	0.152
Relationship problems with other health professionals					3.144	0.023	3.218	0.023
Excess of work					2.405	0.060	2.396	0.074
Lack of time					1.510	0.417	1.237	0.686
Institutional rules					1.704	0.222	1.756	0.223
Block 4 - Extra-work characteristics
Leisure activities
Never/rarely							1.000
Moderate							0.784	0.610
Frequent/very frequent							0.317	0.164
Physical activity
No							1.000
Up to 2 times a week							0.400	0.093
More than 2 times a week							0.594	0.311
Model Chi-square	35.093	< 0.001	42.442	< 0.001	61.332	< 0.001	67.654	< 0.001
Block Chi-square	35.093	< 0.001	7.349	0.196	18.890	0.004	6.321	0.176
Nagelkerke’s R2	0.229		0.272		0.378		0.412
Change in Nagelkerke’s R2			0.043		0.106		0.034

Controlled for age and years of practice in the hospital

^a In all blocks there were 44 events of anxiety