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Demographics of sample
| Variable | n | % |
|---|---|---|
| Age | ||
| 40–55 | 397 | 52.4 |
| 56–70 | 303 | 40.0 |
| 71–83 | 57 | 9.0 |
| Sex | ||
| Female | 349 | 46.1 |
| Male | 408 | 53.9 |
| Education | ||
| Bachelors> | 711 | 93.9 |
| Bachelors< | 46 | 6.1 |
| Income per year | ||
| <$39,999 | 84 | 9.3 |
| $40,000–$74,999 | 93 | 10.3 |
| $75,000–$99,999 | 72 | 7.9 |
| >$100,000 | 484 | 53.4 |
| Study site | ||
| Chicago area | 339 | 44.8 |
| San Francisco Bay Area | 418 | 55.2 |
| Marital status | ||
| Married | 697 | 92.1 |
| Unmarried | 60 | 7.9 |
N = 757. N = 733 for income variable
