Variable	Unstandardized Coefficients		Standardized Coefficients	t	P
Variable	β	Std.Error	β	t	P
Sex	−0.763	0.468	−0.092	−1.631	0.104
Age	0.115	0.277	0.03	0.414	0.679
Education	0.766	0.393	0.143	1.947	0.052
Occupation	−0.021	0.107	−0.012	−0.2	0.842
Source of medical expenses	−1.206	0.401	−0.184	−3.011	0.003
Source of participation clinical trials	−0.245	0.201	−0.072	−1.219	0.224