Table 1.
Participant Characteristics*
| Characteristic | Mean (±SD) or N (%) |
|---|---|
| Age | 78.9 (5.3) |
| Sex | |
| Male | 453 (29.8%) |
| Female | 900 (70.2%) |
| Race | |
| White | 1046 (77.3%) |
| Black | 253 (18.7%) |
| Hispanic | 26 (1.9%) |
| Other | 28 (2.1%) |
| Education | |
| Less than high school | 20 (1.5%) |
| High school (any) | 408 (31.3%) |
| Any postsecondary education (excluding graduate education) | 540 (41.4%) |
| Graduate education (any) | 335 (25.7%) |
| NIH BMI (kg/m2) classifications | |
| <18.5 (underweight) | 4 (0.3%) |
| 18.5–24.9 (normal) | 241 (17.8%) |
| 25–29.9 (overweight) | 490 (36.2%) |
| 30–34.9 (class I obesity) | 347 (25.6%) |
| 35–39.9 (class II obesity) | 167 (12.3%) |
| 40+ (class III obesity) | 104 (7.7%) |
| Comorbidities | |
| Myocardial Infarction | 110 (8.2%) |
| Hypertension | 936 (69.8%) |
| Congestive heart failure | 58 (4.3%) |
| Arthritis | 250 (18.6%) |
| Diabetes | 341 (25.3%) |
| Cancer | 301 (22.4%) |
| Physical health status | |
| MAT-sf | 49.9 (9.3) |
| 400-m walk (s) | 508.7 (113.4) |
| SPPB | 7.4 (1.6) |
| PAT-D mobility | 1.8 (0.7) |
| PAT-D basic ADLs | 1.3 (0.4) |
| PAT-D IADL | 1.1 (0.3) |
Notes: NIH = National Institutes of Health; BMI = body mass index; MAT-sf = mobility assessment tool—short form; SPPB = Short Physical Performance Battery; ADL = activities of daily living; IADL = instrumental activities of daily living.
*These results on the sample of 1,343 participants did not differ from the total sample of 1,635. Percentages for each variable may not equal 100% due to a small number of missing data points.