Participant characteristics for those included in the current study
| Characteristic, survey year collected | Total population: n (%) or mean (± SD) | Males: n (%) or mean (± SD) | Females: n (%) or mean (± SD) |
|---|---|---|---|
| ‘MI by 72 years of age' DV | 6198 | 2938 (47.4%) | 3260 (52.6%) |
| Included in DV ‘MI Between 65 and 72’ | 5321 (85.9%) | 2404 (81.8%) | 2917 (89.5%) |
| Ever experienced MI | 776 (12.5%) | 533 (18.1%) | 243 (7.5%)*** |
| IQ Score (Henmon-Nelson), 1957 | 102.1 (14.77) | 101.9 (15.22) | 102.2 (14.37) |
| Years of education‡, 1993 | 13.75 (2.33) | 14.14 (2.55) | 13.41 (2.05)*** |
| Age at interview, 2004 | 64.33 (0.70) | 64.40 (0.73) | 64.27 (0.67)*** |
| Married, 2004 | 4652 (78.6%) | 2368 (85.4%) | 2284 (72.7%)*** |
| Total household income, 2004 | $30 619 ($7) | $42 364 ($6) | $22 961 ($8)*** |
| Smoker, 2004 | 613 (11.6%) | 296 (12.0%) | 317 (11.2%) |
| Alcohol (days/month), 2004 | 7.57 (9.67) | 9.47 (10.50) | 5.89 (8.54)*** |
Significant differences between men and women are indicated, and based on Student's t-test or equal proportions test. ‘***’=p<0.001.
‡Summary of equivalent years of regular education based on highest degree.
DV, dependent variable; MI, myocardial infarction; SD, standard deviation.