Table 1.
Descriptive statistics for the sample at baseline at the participant level
| Control N = 156 | Intervention N = 151 | P value* | |
|---|---|---|---|
| Mean age (years) | 85.3 (6.5) | 81.9 (5.9) | 0.007 |
| Gender (% female) | 71 | 74 | 0.47 |
| Education (% college and above) | 60 | 69 | 0.11 |
| Marital Status (% married) | 30 | 52 | 0.0002 |
| Moderate-Vigorous Physical Activitya | 2.3 (1.8, 3.8) | 3.1 (1.9, 4.9) | 0.261 |
| 400 m walking speed (meters/s) | 0.89(0.22) | 1.00(0.21) | 0.02 |
| SPPB score b | 7.96 (2.79) | 9.25 (2.60) | 0.07 |
| Systolic BP c | 130.70 (19.07) | 132.06 (19.24) | 0.59 |
| Diastolic BP c | 67.00 (8.88) | 69.24 (11.18) | 0.81 |
| % with BP c over 150/90 | 13.73 | 21.19 | 0.48 |
| LLFDI d score (range 10–50) | 36.34 (8.94) | 40.54 (8.32) | 0.29 |
| QoL e (range 1–5) | 3.85 (0.64) | 4.00 (0.64) | 0.26 |
| CESD f (range 0–30) | 6.17 (4.24) | 4.80 (3.76) | 0.19 |
| Stress (range 0–16) | 4.60 (2.51) | 3.79 (2.47) | 0.08 |
| Pain (range 6–30) | 10.02 (4.50) | 9.02 (4.25) | 0.41 |
| Fear of falling (range 16–64) | 27.88 (9.20) | 23.92 (6.89) | 0.12 |
*Computed using general linear mixed models with adjustment for site level clustering as a random effect
aNegative Binomial mixed model estimate with a ± 1 standard error adjusting for nesting of days within people
bShort Physical Performance Battery
cBlood pressure
dLate Life Function and Disability Instrument
eQuality of Life
fCenters for Epidemiologic Studies Depression scale