Table 1.
Demographic and Medical Conditions of Participants in the Patterns of Cognitive Aging Study
| Characteristic | Total (N = 602) | Women (N = 449) | Men (N = 152) | p Value |
| Demographic | ||||
| Age (years) | 69.1 ± 9.8 | 69.9 ± 9.8 | 66.6 ± 9.2 | <.001 |
| Female (%) | 74.7 | — | — | — |
| Married (%) | 11.4 | 10.3 | 14.6 | .152 |
| High-school graduate (%) | 57.2 | 60.6 | 47.0 | .004 |
| Income | 10.3 ± 5.8 | 10.1 ± 5.5 | 10.5 ± 6.4 | .475 |
| Medical conditions (%) | ||||
| Major depressive symptoms | 24.1 | 22.7 | 28.3 | .165 |
| Cognitive impairment | 25.1 | 24.3 | 27.0 | .507 |
| Asthma | 18.8 | 21.0 | 12.5 | .021 |
| Arthritis | 65.9 | 72.4 | 46.7 | <.001 |
| Cancer | 10.5 | 9.4 | 13.8 | .123 |
| Diabetes | 34.3 | 34.9 | 32.9 | .652 |
| Stroke | 16.3 | 15.4 | 19.1 | .289 |
| Hypertension | 83.3 | 86.3 | 74.3 | <.001 |
| Heart trouble | 20.0 | 19.7 | 21.1 | .716 |
| Two or more medical conditions | 84.1 | 85.5 | 79.6 | .085 |
| Mobility limited (%) | 62.6 | 65.9 | 53.3 | .005 |
Note: Two or more medical conditions included major depressive symptoms, cognitive impairment, asthma, arthritis, cancer, diabetes, stroke, hypertension, and heart trouble.