Table 5.

Interaction of Clinical Covariates With Adverse Outcomes Associated With Living in Low‐Income Areas

Subgroups	MI			Death/MI
	sHR (95% CI)	P Value	Interaction P Value	HR (95% CI)	P Value	Interaction P Value
Age ≤65 y	1.38 (0.92–2.05)	0.12	0.65	1.12 (0.90–1.39)	0.32	0.78
Age >65 y	1.37 (0.93–2.02)	0.11		1.17 (0.98–1.40)	0.080
Female	1.63 (1.00–2.66)	0.051	0.46	1.19 (0.95–1.49)	0.14	0.89
Male	1.33 (0.95–1.87)	0.10		1.16 (0.98–1.38)	0.085
Nonblack	1.36 (0.99–1.89)	0.061	0.79	1.16 (1.00–1.35)	0.055	0.63
Black	1.44 (0.84–2.47)	0.19		1.11 (0.81–1.51)	0.51
No smoking	1.49 (0.85–2.63)	0.16	0.69	1.09 (0.84–1.43)	0.51	0.65
Smoking	1.34 (0.97–1.84)	0.074		1.19 (1.01–1.40)	0.034
No heart failure	1.53 (1.11–2.11)	0.009	0.13	1.26 (1.07–1.49)	0.006	0.062
Heart failure	1.10 (0.61–1.97)	0.75		0.97 (0.76–1.24)	0.79
No CAD	1.49 (0.48–4.67)	0.49	0.50	1.00 (0.70–1.42)	0.99	0.55
CAD	1.39 (1.05–1.84)	0.023		1.19 (1.02–1.38)	0.026
No diabetes mellitus	1.10 (0.74–1.62)	0.65	0.065	1.20 (1.00–1.44)	0.047	0.91
Diabetes mellitus	1.77 (1.19–2.65)	0.005		1.13 (0.91–1.40)	0.27
No hypertension	1.50 (0.67–3.35)	0.32	0.94	1.11 (0.79–1.55)	0.55	0.75
Hypertension	1.37 (1.02–1.83)	0.038		1.17 (1.00–1.36)	0.045
No hyperlipidemia	1.41 (0.74–2.68)	0.29	0.54	1.11 (0.86–1.44)	0.42	0.63
Hyperlipidemia	1.37 (1.01–1.86)	0.047		1.18 (1.00–1.38)	0.052
Urban	1.34 (0.93–1.94)	0.12	0.084	1.21 (1.00–1.46)	0.054	0.94
Rural	2.75 (1.29–5.86)	0.009		1.25 (0.93–1.68)	0.15
No college education	1.75 (1.16–2.63)	0.007	0.12	1.11 (0.92–1.35)	0.29	0.43
College education	1.10 (0.73–1.66)	0.64		1.21 (1.00–1.47)	0.052

CAD indicates coronary artery disease; HR, hazard ratio; MI, myocardial infarction; sHR, subdistribution hazard ratio.