Table 1.
Selected baseline participant characteristics: the ARIC study
| White women | African-American women |
White men | African-American men | |
|---|---|---|---|---|
| N | 2,242 | 1,051 | 2,553 | 637 |
| Age (years) | 50.2 ± 3.0 | 50.1 ± 3.2 | 50.6 ± 3.1 | 49.9 ± 3.2 |
| Education | ||||
| <High school | 9.0 | 26.4 | 11.0 | 28.6 |
| High school | 50.4 | 30.4 | 41.4 | 28.6 |
| >High school | 40.6 | 43.2 | 47.6 | 42.9 |
| Household income | ||||
| ≤$15,999 | 9.2 | 38.2 | 4.2 | 24.6 |
| $16,000–$24,999 | 10.6 | 19.0 | 7.7 | 18.2 |
| $25,000–$34,999 | 17.8 | 14.4 | 17.6 | 15.5 |
| $35,000–$49,999 | 23.5 | 10.7 | 25.5 | 16.2 |
| ≥$50,000 | 35.8 | 8.7 | 41.8 | 13.8 |
| Missing/unknown | 4.2 | 9.0 | 3.2 | 11.6 |
| Occupation type | ||||
| Management | 32.4 | 32.6 | 38.5 | 27.3 |
| Technician | 45.6 | 18.1 | 22.7 | 11.8 |
| Service | 11.9 | 36.2 | 4.5 | 12.7 |
| Mechanic/laborer/farmer | 10.1 | 13.0 | 34.4 | 48.2 |
| High occupational physical activity (score ≥3.0) | 26.4 | 40.2 | 30.3 | 37.4 |
| Married | 79.5 | 54.2 | 90.0 | 77.7 |
| Health insurance | 96.4 | 84.9 | 96.3 | 83.2 |
| Current smoker | 24.6 | 24.0 | 25.5 | 37.4 |
| Cardiovascular disease | 2.1 | 2.5 | 5.8 | 3.3 |
| Cancer | 7.0 | 2.0 | 2.9 | 0.2 |
| Diabetes | 5.0 | 12.1 | 6.6 | 13.8 |
| BMI status at age 25 | ||||
| Normal weight (<25 kg/m2) | 89.1 | 82.1 | 61.5 | 64.0 |
| Overweight (25–29.9 kg/m2) | 8.5 | 12.9 | 32.0 | 27.5 |
| Obese (≥30 kg/m2) | 2.4 | 5.0 | 6.4 | 8.5 |
| BMI status at ages 45–55 | ||||
| Normal weight (<25 kg/m2) | 50.6 | 17.6 | 26.9 | 25.3 |
| Overweight (25–29.9 kg/m2) | 29.5 | 36.9 | 50.6 | 45.2 |
| Obese (≥30 kg/m2) | 19.9 | 45.5 | 22.5 | 29.5 |
Mean (s.d.) and frequencies.