Table 3.
Estimated mean changes, standard errors, and covariance structure for the short physical performance battery (SPPB) and self-reported disability scale (SRDS) for participants assigned to the two intervention programs
| Successful Aging | |||||
|---|---|---|---|---|---|
| Measure | Mean (SE) Change
|
Variance and Correlation Estimates
|
|||
| 0–6 Months
N = 203 |
6–12 Months
N = 195 |
0–6 Mo Change
σ12 |
6–12 Mo Change
σ22 |
Correlation of Changes
ρ12 |
|
| SPPB | 0.589 (0.139) | −0.168 (0.115) | 3.885 | 2.509 | −0.27 |
| SRDS | 0.021 (0.022) | 0.017 (0.022) | 0.102 | 0.097 | −0.42 |
|
| |||||
| Physical Activity Intervention | |||||
|
| |||||
| Measure | Mean (SE) Change
|
Variance and Correlation Estimates
|
|||
| 0–6 Months
N = 204 |
6–12 Months
N = 177 |
0–6 Mo Change
σ12 |
6–12 Mo Change
σ22 |
Correlation of Changes
ρ12 |
|
|
| |||||
| SPPB | 1.241 (0.126) | −0.258 (0.115) | 3.154 | 2.576 | −0.34 |
| SRDS | −0.027 (0.024) | 0.024 (0.024) | 0.119 | 0.112 | −0.28 |