Table 1.
Participant characteristics at baseline
| Physical Activity (N = 54) |
Successful Aging (N = 52) |
|||
|---|---|---|---|---|
| Characteristic | Mean ± SD or Percentage | Range | Mean ± SD or Percentage | Range |
| Age (years) | 77.6 ± 4.0 | 71 – 86 | 77.3 ± 4.5 | 70 – 85 |
| Weight (kg) | 85.7 ± 19.4 | 55 – 148 | 84.0 ± 18.4 | 47 – 157 |
| Height (cm) | 163.3 ± 10.6 | 142 – 188 | 164.9 ± 9.8 | 149 – 195 |
| BMI (kg·m−2) | 32.0 ± 5.7 | 21 – 44 | 30.7 ± 4.9 | 21 – 44 |
| Female N (%) | 36 (67%) | 35 (67%) | ||
| Race/Ethnicity N (%) | ||||
| White | 44 (83%) | 38 (73%) | ||
| African American | 2 (4%) | 8 (15%) | ||
| Latino, Hispanic or Spanish | 7 (13%) | 4 (8%) | ||
| Other | 1 (2%) | 2 (4%) | ||
| Physical function | ||||
| Short Physical Performance Battery (SPPB) score | 7.3 ± 1.8 | 2 – 9 | 7.4 ± 1.5 | 4 – 9 |
| SPPB score ≤ 7 N (%) | 25 (46%) | 23 (44%) | ||
| 400-m walk speed (m·sec−1) | 0.77 ± 0.20 | 0.45 – 1.22 | 0.80 ± 0.15 | 0.49 – 1.11 |
| Frequency of all activities per wk† | 11.8 ± 7.4 | 0 – 30 | 13.7 ± 9.0 | 1 – 36 |
| Frequency of moderate PA per wk† | 2.3 ± 3.5 | 0 – 15 | 3.0 ± 4.0 | 0 – 13 |
| Calories spent in all activities per wk† | 1860.7 ± 1490.8 | 0 – 5897 | 2178.8 ± 2090.4 | 111 – 10934 |
| Calories spent in moderate PA per wk† | 561.3 ± 893.9 | 0 – 4494 | 659.3 ± 1217.8 | 0 – 7775 |
| MET-hrs per wk (all activities)† | 21.2 ± 16.3 | 0 – 75 | 25.1 ± 22.3 | 1 – 96 |
| MET-hrs per wk (moderate PA)† | 6.1 ± 9.3 | 0 – 43 | 7.6 ± 12.6 | 0 – 68 |
†
From CHAMPS questionnaire
BMI = body mass index
PA = physical activity