Table 6.

Multiple regression analysis results including sex and years of clinical experience

	Coefficients	Std. err.	t-value	p>|t|	Beta	VIF
(Constant)	13.592	1.207	11.26	<0.001
Policy factor	-0.263	0.103	-2.54	0.012	-0.173	1.62
Scientific factor	-0.054	0.105	-0.52	0.606	-0.033	1.42
Economic factor	-0.042	0.319	-0.13	0.895	-0.008	1.32
Clinical factor	-0.054	0.178	-0.30	0.763	-0.017	1.15
Cultural factor
Japan	-0.226	0.601	-0.38	0.707	-0.029	2.05
Korea	2.856	0.612	4.66	<0.001	0.338	1.84
Nepal	-1.669	0.673	-2.48	0.014	-0.167	1.58
Iran	0.711	0.701	1.02	0.311	0.069	1.61
Thailand	0.639	0.667	0.96	0.339	0.066	1.64
India	-2.209	0.894	-2.47	0.014	-0.167	1.29
Sex	-0.133	0.383	-0.35	0.073	-0.208	1.27
Years of clinical experience	0.026	0.023	1.14	0.257	0.068	1.25

VIF, variance inflation factor