TABLE 1.
Descriptive Statistics for Biomarker Sample (n = 704)
| Variable | Mean (SD) | Range | % |
|---|---|---|---|
| Socioeconomic measures |
|||
| Education | |||
| <HS | 5.8 | ||
| HS graduate or GED | 72.2 | ||
| College graduate | 21.8 | ||
| Pretax household income ($; median) |
43,501 (39,535) | 0–212, 132 | |
| Demographics | |||
| Age | 57.9 (11.6) | 35–86 | |
| Gender (% female) | 53.6 | ||
| Race/ethnicity (% non-white) |
25.1 | ||
| Health status | |||
| BMI | |||
| Normal weight | 22.6 | ||
| (<24.99) | |||
| Overweight | 36.0 | ||
| (25–29.99) | |||
| Obese (>30) | 41.4 | ||
| Number of chronic conditions |
2.8 (2.1) | 0–13 | |
| Medications (% yes) | |||
| Antihypertensive | 37.2 | ||
| Cholesterol lowering | 27.5 | ||
| Steroids (including estrogen therapy) |
12.2 | ||
| Antidepressants | 13.1 | ||
| Health behavior | |||
| Smoking status | |||
| Never smoked | 48.2 | ||
| Former smoker | 36.2 | ||
| Current smoker | 15.6 | ||
| Caffeine consumption (drinks per day) |
3.0 (3.2) | 0 to 30 | |
| Alcohol (drinks/wk) | 3.3 (5.7) | 0 to 46 | |
| Vigorous/moderate exercise (mins/wk) |
322.6 (609.8) | 0 to 5,040 |
SD = standard deviation; HS = high school; GED = General Educational Development test; BMI = body mass index.