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Table 4 Association of education, and zip code median income quintile with recurrent myocardial infarction or fatal CHD within 1 year or 1-5 years in women 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 women

Women 66-79 years

Women 80+ years

 

HRR

95% Conf int

P value

HRR

95% Conf int

P value

HRR

95% Conf int

P value

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

  N (Events)

6,528

(889)

 

3,646

(375)

 

2,882

(514)

 

  Ed < HS

1.07

(0.77, 1.48)

0.698

1.40

(0.79, 2.48)

0.245

0.97

(0.65, 1.44)

0.869

  Ed HS < BS

1.01

(0.73, 1.40)

0.957

1.44

(0.82, 2.55)

0.206

0.87

(0.58, 1.31)

0.504

  Zip Inc q1

1.02

(0.77, 1.33)

0.914

0.89

(0.59, 1.32)

0.555

1.11

(0.77, 1.60)

0.580

  Zip Inc q2

1.09

(0.86, 1.39)

0.465

0.91

(0.64, 1.29)

0.602

1.24

(0.90, 1.71)

0.198

  Zip Inc q3

1.04

(0.83, 1.30)

0.740

0.87

(0.62, 1.20)

0.394

1.19

(0.88, 1.60)

0.263

  Zip Inc q4

1.00

(0.80, 1.25)

0.983

0.81

(0.58, 1.14)

0.228

1.17

(0.87, 1.59)

0.296

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

N (Events)

4,681

(833)

 

2,837

(402)

 

1,844

(431)

 

  Ed < HS

1.36

(0.99, 1.88)

0.060

1.19

(0.76, 1.88)

0.445

1.52

(0.98, 2.37)

0.064

  Ed HS < BS

1.17

(0.85, 1.62)

0.335

0.92

(0.58, 1.44)

0.700

1.46

(0.94, 2.27)

0.096

  Zip Inc q1

0.80

(0.61, 1.05)

0.104

0.78

(0.52, 1.17)

0.226

0.82

(0.57, 1.19)

0.300

  Zip Inc q2

0.97

(0.77, 1.22)

0.816

1.06

(0.77, 1.46)

0.717

0.89

(0.65, 1.23)

0.493

  Zip Inc q3

0.88

(0.71, 1.09)

0.235

0.88

(0.64, 1.20)

0.421

0.89

(0.66, 1.20)

0.429

  Zip Inc q4

0.70

(0.56, 0.87)

0.002

0.75

(0.54, 1.03)

0.072

0.65

(0.47, 0.90)

0.009

  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 MI.
  3. Education referent group is college degree or more. Zip code median income referent group is quintile 5 (highest median income).
  4. Italicized associations, confidence intervals, and p-values denote those significant at alpha<0.05.