Table 2 Hazard ratios of the association between educational attainment and risk of all-cause and cardiovascular mortality from National Health Interview Survey, 2006–2014. A) Total population, B) ASCVD population

Total population

All-cause mortality

CVD mortality

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

Education

Model 1

Model 2

Model 3

Model 4

Model 1

Model 2

Model 3

Model 4

 > College

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Some College

1.18 (1.09, 1.27)

1.33 (1.24, 1.44)

1.16 (1.07, 1.25)

1.05 (0.97, 1.14)

1.32 (1.13, 1.54)

1.45 (1.26, 1.68)

1.17 (1.00, 1.38)

1.00 (0.84, 1.19)

High School or GED

1.84 (1.73, 1.96)

1.53 (1.44, 1.63)

1.22 (1.14, 1.30)

1.08 (1.00, 1.15)

1.89 (1.67, 2.14)

1.44 (1.26, 1.63)

1.11 (0.95, 1.30)

0.94 (0.80, 1.11)

 < High School

2.91 (2.73, 3.11)

2.03 (1.89, 2.17)

1.39 (1.29, 1.50)

1.20 (1.11, 1.30)

3.54 (3.14, 4.00)

2.25 (1.97, 2.56)

1.51 (1.26, 1.81)

1.24 (1.04, 1.49)

ASCVD population

All-cause mortality

CVD mortality

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

HR (95% CI)

Education

Model 1

Model 2

Model 3

Model 4

Model 1

Model 2

Model 3

Model 4

 > College

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Some College

1.15 (1.01, 1.29)

1.22 (1.08, 1.37)

1.09 (0.95, 1.26)

1.02 (0.89, 1.18)

1.21 (0.95, 1.53)

1.28 (1.00, 1.63)

1.07 (0.82, 1.41)

0.94 (0.71, 1.23)

High School or GED

1.37 (1.24, 1.51)

1.31 (1.19, 1.45)

1.13 (1.00, 1.28)

1.05 (0.93, 1.19)

1.30 (1.06, 1.60)

1.24 (1.01, 1.53)

1.02 (0.79, 1.31)

0.92 (0.71, 1.20)

 < High School

1.76 (1.59, 1.96)

1.55 (1.39, 1.72)

1.21 (1.06, 1.38)

1.09 (0.95, 1.25)

2.03 (1.64, 2.53)

1.76 (1.40, 2.21)

1.38 (1.04, 1.82)

1.20 (0.90, 1.60)