Table 5.

Unadjusted and adjusted HRs with 95% CIs, per-capita gross national income classification

	Per-capita gross national income (2010) classification
Event	Upper middle vs high	Lower middle vs high	Lower middle vs upper middle	p Value
Cardiovascular death, MI, stroke
Unadjusted HR	0.751 (0.626 to 0.902)	0.548 (0.446 to 0.675)	0.730 (0.569 to 0.935)	<0.001
Adjusted HR	0.956 (0.826 to 1.106)	0.756 (0.616 to 0.928)	0.791 (0.632 to 0.990)	0.028
Cardiovascular death
Unadjusted HR	0.870 (0.677 to 1.119)	0.770 (0.557 to 1.064)	0.855 (0.613 to 1.277)	0.211
Adjusted HR	1.058 (0.864 to 1.294)	0.905 (0.691 to 1.186)	0.856 (0.636 to 1.150)	0.585
MI
Unadjusted HR	0.666 (0.533 to 0.831)	0.370 (0.217 to 0.634)	0.557 (0.319 to 0.970)	<0.001
Adjusted HR	0.851 (0.689 to 1.052)	0.551 (0.382 to 0.796)	0.648 (0.449 to 0.933)	0.005
Stroke
Unadjusted HR	0.843 (0.614 to 1.158)	0.469 (0.292 to 0.753)	0.556 (0.323 to 0.957)	0.006
Adjusted HR	1.177 (0.763 to 1.815)	1.027 (0.593 to 1.815)	0.873 (0.468 to 1.626)	0.761
All-cause death
Unadjusted HR	0.903 (0.709 to 1.150)	0.671 (0.485 to 0.930)	0.743 (0.513 to 1.078)	0.051
Adjusted HR	1.119 (0.917 to 1.366)	0.828 (0.632 to 1.086)	0.740 (0.551 to 0.995)	0.134

MI, myocardial infarction.