Table 4.

Multiple linear regression analysis (Stepwise) (n = 161)

Independent variable	B	SE	β	t	P	95% CI
Constant	− 27.17	7.69		− 3.53	0.001	− 42.36 to − 11.97
Total score of the QDTS	1.01	0.06	0.75	17.12	0.000	0.90 to 1.13
Residence	10.41	2.10	0.20	4.97	0.000	6.27 to 14.55
Educational level	2.70	1.22	0.09	2.21	0.028	0.29 to 5.11