Table 1.
Baseline characteristics of the BostonRISE cohort (N=364)
| Category | Characteristic | Mean (SD) or Frequency (%) |
Range | |
|---|---|---|---|---|
| Demographics | Age (y) | 76.5 ± 7.0 | 65–94 | |
| Women | 246 (68%) | n/a | ||
| BMI (kg/m2) | 29.2 ± 5.8 | 18.4–55.7 | ||
| Race | ||||
| White | 297 (82%) | n/a | ||
| Black | 43 (12%) | n/a | ||
| Other | 24 (6%) | n/a | ||
| Attended college | 196 (54%) | n/a | ||
| Comorbidity | 4.0 ± 2.0 | 0–11 | ||
| Mental Functions | PHQ-9(≥5) | 18 (5%) | n/a | |
| ABC (0–100) | 76.9 ± 17 | 8–100 | ||
| <50 | 26 (7%) | n/a | ||
| 50–80 | 152 (42%) | n/a | ||
| >80 | 186 (51%) | n/a | ||
| Trails B time - Trails A time (s) | 74.3 ± 48.7 | −2.9–266.7 | ||
| Sensory Functions | BPI (1–10) | 2.5 ± 1.8 | 0–9.75 | |
| Sensory Loss | 109 (30%) | n/a | ||
| Visual Impairment | 18 (5%) | n/a | ||
| Neuromuscular | FICSIT-4 Balance (0–9) | 6.9 ± 2.1 | 1–9 | |
| Functions | Reaction Time (milliseconds) | 248.4 ± 51.2 | 172.1–648.4.4 | |
| Kyphosis Index (cm) | 10.4 ± 3.1 | 3.3–22.4 | ||
| Rapid Leg Coordination (s) | 11.1 ± 3.0 | 5.5–28.3 | ||
| Trunk Extension Endurance (s) | 95.4 ± 58.6 | 0–150 | ||
| Knee Flexion (degrees) | 125.5 ± 12.7 | 69.0–149.0 | ||
| Knee Extension (degrees) | 7.6 ± 7.8 | −5.0 – 25.0 | ||
| Loss of Ankle ROM | 99 (27%) | n/a | ||
| Leg Strength (N/kg) | 9.5 ± 2.5 | 3.1–20.3 | ||
| Leg Strength Asymmetry (ratio of stronger side to weaker side) | 1.2 ± 0.3 | 1–4.3 | ||
| Leg Velocity at Peak Power (m/s) | 1.0 ± 0.3 | 0.2–1.9 | ||
BPI = Brief Pain Inventory (Severity); PHQ-9 = Patient Health Questionnaire; ABC = Activities-Specific Balance Confidence Scale; ROM = Range of Motion