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Table 5 Association of education, and zip code median income quintile with recurrent myocardial infarction or fatal CHD within 1 year or 1-5 years in men surviving 28 days after a first apparent myocardial infarction

From: Individual education, area income, and mortality and recurrence of myocardial infarction in a Medicare cohort: the National Longitudinal Mortality Study

 

All men

Men 66-79 years

Men 80+ years

 

HRR

95% Conf int

Pvalue

HRR

95% Conf int

P value

HRR

95% Conf int

P value

Recurrent MI/Fatal CHD (29 days-365 days)

N (Events)

6,493

(832)

 

4,584

(484)

 

1,909

(348)

 

Ed < HS

1.01

(0.79, 1.30)

0.908

1.12

(0.83, 1.52)

0.455

0.89

(0.59, 1.35)

0.581

Ed HS < BS

0.80

(0.62, 1.02)

0.076

0.74

(0.54, 1.00)

0.050

0.91

(0.59, 1.40)

0.681

Zip Inc q1

1.28

(0.99, 1.66)

0.065

1.03

(0.73, 1.46)

0.864

1.72

(1.14, 2.57)

0.009

Zip Inc q2

1.20

(0.96, 1.52)

0.113

1.13

(0.84, 1.52)

0.403

1.30

(0.90, 1.89)

0.162

Zip Inc q3

0.90

(0.71, 1.14)

0.393

0.82

(0.61, 1.11)

0.200

1.04

(0.71, 1.51)

0.857

Zip Inc q4

1.13

(0.91, 1.41)

0.257

0.98

(0.74, 1.29)

0.886

1.38

(0.98, 1.95)

0.064

Recurrent MI/Fatal CHD (366 days-5 years)

N (Events)

4,778

(774)

 

3,602

(494)

 

1,176

(280)

 

Ed < HS

1.49

(1.11, 2.00)

0.008

1.68

(1.18, 2.41)

0.004

1.18

(0.71, 1.96)

0.532

Ed HS < BS

1.39

(1.04, 1.86)

0.027

1.46

(1.02, 2.08)

0.038

1.32

(0.79, 2.21)

0.292

Zip Inc q1

1.24

(0.93, 1.65)

0.151

1.22

(0.84, 1.78)

0.288

1.26

(0.78, 2.03)

0.342

Zip Inc q2

1.13

(0.88, 1.45)

0.329

1.19

(0.88, 1.62)

0.262

1.04

(0.68, 1.60)

0.857

Zip Inc q3

1.00

(0.79, 1.27)

0.978

1.01

(0.75, 1.36)

0.956

1.01

(0.68, 1.51)

0.952

Zip Inc q4

1.09

(0.86, 1.37)

0.482

0.99

(0.74, 1.33)

0.942

1.31

(0.89, 1.92)

0.172

  1. Abbreviations: HRR Hazard Rate Ratio, Ed < HS Education less than a high school diploma, Ed HS < BS At least a high school diploma, but no college degree.
  2. Adjusted for Age, race, hx of hypertension, hx of diabetes, hx of lipidemia, hx of CHD, hx of stroke, and coronary revascularization (PCI or CABG) during hospitalization, year of first MI.
  3. Education referent group is college degree or more.
  4. Zip code median income referent group is quintile 5 (highest median income).
  5. Italicized associations, confidence intervals, and p-values denote those significant at alpha<0.05.