Table 2. Comparisons of attitudes on psychosocial aspects of cancer, burnout symptoms and job stress between physicians with internal and external LOC (upper and lower quartiles of the Rotter I-E scale scores distribution) (parametric Student's t-test).

	Internal LOC		External LOC
	M	s.d.	M	s.d.	t	P
Semantic differential attitude questionnaire (SDAQ)
Attitudes towards oneself	2.75	0.61	2.85	0.53	−0.541	0.591
Attitudes towards cancer and death	3.19	0.73	3.16	0.66	0.094	0.926
Personal growth	2.21	0.77	2.49	0.48	−1.315	0.197
Professional relationships	2.55	0.64	2.78	0.85	−0.994	0.327
Occupational attitudes	2.90	0.74	2.84	0.63	0.243	0.810
Total score (SDAQ)	2.74	0.54	2.83	0.52	−0.525	0.603
Maslach burnout inventory (MBI)
Emotional exhaustion	17.82	8.24	20.00	6.14	−0.931	0.358
Personal growth	40.00	5.54	36.11	4.16	2.463	0.018
Depersonalisation	4.86	3.66	7.56	4.12	−2.189	0.035
Job stress survey (JSS)
Severity	154.68	19.84	169.50	32.13	−1.789	0.082
Frequency	146.18	40.06	152.67	44.58	−0.484	0.631
Index (severity×frequency)	76.64	22.95	85.06	30.76	−0.991	0.328