Effective treatment of depression improves post-myocardial infarction survival

Table 3 Final model: Results of Cox regression analysis to examine the independent contributions of biological, social, and psychological predictors and treatment resistant depression to all cause mortality among post-myocardial infarction patients treated for depression (n = 770)

	B	SE	Wald	Sig.	HR	95%CI
Biological factors
Age1	0.035	0.012	8.280	0.004	1.036	1.011-1.061
Diabetes	1.069	0.294	13.243	0.000	2.912	1.638-5.180
Heart failure	1.007	0.290	12.089	0.001	2.736	1.551-4.827
Current smoker	-0.690	0.403	2.932	0.087	0.502	0.228-1.105
Social factors
None
Psychological factor
Treatment resistant depression	0.691	0.347	3.967	0.046	1.995	1.011-3.938

¹Age centered on the lowest age of 34 years. For dichotomous variables, reference group is the absence of the named predictor.