Table 6.

Multiple regression analysis at month 6.

Variable	B	Std. Error	P-value	95% CI range
Age in years	3.310	1.347	0.015	0.647-5.972
Gender	3.394	2.879	0.240	−2.297-9.085
Marital status	−0.396	1.847	0.830	−4.049-3.255
Educational level	−1.323	1.250	0.292	−3.794-1.148
Employment status	−4.562	2.947	0.124	−10.389-1.264
Income	−1.219	2.056	0.554	−5.283-2.845
Smoking status	−0.847	2.260	0.708	−5.315-3.621
Duration of disease	3.477	2.729	0.205	−1.917-8.871
Comorbidity	−0.310	4.110	0.046	8.436-7.816
Hypertension	7.104	4.120	0.087	−1.041-15.249
Diabetes mellitus	−3.158	3.960	0.426	−10.986-4.670
Cardiovascular disease	0.337	3.194	0.916	−5.978-6.652