Table 1.
Characteristics of the Samples
| HRS | NHATS | |||
|---|---|---|---|---|
| Variables | M/% | SD | M/% | SD |
| Age | 74.01 | 6.68 | 78.48 | 7.06 |
| Sex (% women) | 57% | - | 58% | - |
| Race (% White) | 89% | - | 76% | - |
| Education | 12.77 | 2.82 | 5.47 | 2.22 |
| BMIa | 28.69 | 5.54 | 27.52 | 5.47 |
| Physical inactivitya | 2.63 | 1.06 | 58% | - |
| Depressive symptoms | 1.18 | 1.73 | 1.39 | 0.60 |
| Cognition | 15.20 | 3.72 | 19.35 | 4.42 |
| Neuroticism | 1.98 | 0.68 | 2.19 | 0.83 |
| Extraversion | 3.22 | 0.53 | 3.17 | 0.73 |
| Openness | 2.92 | 0.54 | 2.88 | 0.81 |
| Agreeableness | 3.54 | 0.46 | 3.61 | 0.49 |
| Conscientiousness | 3.36 | 0.46 | 3.28 | 0.68 |
| Cognitive complaint (%) | 41% | - | 32% | - |
| Gait speed (m/s) | 0.83 | 0.29 | 0.80 | 0.26 |
| Motoric Cognitive Risk (%) | 6% | - | 5% | - |
Note. HRS: N= 6300; NHATS: N= 2083
a
Due to missing data, Ns differ for BMI, physical activity, depressive symptoms, and cognition
See method section for differences in measures used in the two samples