Table 1. Age at Assessment and Descriptive Statistics for Measures Entered Into the Bivariate Dual Change Score Model.
Measure | Midlife (aged 25 – 64) | Old Age (aged 65 + years) | ||||
---|---|---|---|---|---|---|
n | M | SD | n | M | SD | |
Perceived Control | ||||||
T1 | 2,364 | 50.02 | 9.94 | 1,238 | 49.96 | 10.13 |
T2 | 1,933 | 50.75 | 9.86 | 915 | 49.28 | 10.31 |
T3 | 1,801 | 51.31 | 9.27 | 588 | 49.40 | 10.15 |
T4 | 1,451 | 51.98 | 9.11 | 236 | 49.61 | 9.94 |
Health | ||||||
T1 | 2,364 | 52.89 | 8.68 | 1,238 | 44.47 | 10.04 |
T2 | 1,936 | 52.47 | 8.88 | 922 | 44.34 | 10.32 |
T3 | 1,835 | 50.99 | 9.42 | 720 | 43.22 | 10.48 |
T4 | 1,450 | 47.51 | 11.20 | 237 | 42.24 | 10.31 |
Age | ||||||
T1 | 2,364 | 43.93 | 12.45 | 1,238 | 73.29 | 6.44 |
T2 | 1,936 | 47.22 | 12.39 | 922 | 75.63 | 6.01 |
T3 | 1,835 | 51.81 | 12.24 | 720 | 79.90 | 5.55 |
T4 | 1,484 | 58.26 | 11.91 | 300 | 85.26 | 4.38 |
Emotional Support (1-5) | ||||||
T1 | 2,364 | 4.01 | 0.74 | 1,238 | 4.12 | 0.76 |
Physical Activity (1-4) | ||||||
T1 | 2.364 | 2.80 | 0.77 | 1,238 | 2.45 | 0.88 |
Memory (0-6) | ||||||
T1 | 2,364 | 5.45 | 1.28 | 1,238 | 4.93 | 1.92 |
Depressive Symptoms (1-3) | ||||||
T1 | 2,353 | 1.44 | 0.37 | 1,224 | 1.42 | 0.36 |
Education (0-17) | ||||||
T1 | 2,364 | 12.23 | 3.05 | 1,238 | 10.02 | 3.75 |
Gender (% Women) | ||||||
T1 | 2,364 | 59% | 1,238 | 69% |
Note. Perceived control and Health standardized to the T metric with the Time 1 (T1) Americans' Changing Lives Study sample (N = 3,602) as the reference (M = 50, SD = 10). Baseline assessment or T1 in 1986, Time 2 (T2) in 1989, Time 3 (T3) in 1994, and Time 4 (T4) in 2001-2002.