Table 2.
Descriptive Statistics of Study Variables by Work Status in 1998
| Mean | Standard deviation | |
|---|---|---|
| Full-time work | ||
| Age | 66.97 | 5.71 |
| Immediate memory | 6.02 | 1.62 |
| Physical disability (ADL) | .16 | .50 |
| Depressive symptoms (CES-D) | 1.01 | 1.47 |
| Part-time work | ||
| Age | 64.90 | 4.79 |
| Immediate memory | 6.08 | 1.68 |
| Physical disability (ADL) | .18 | .56 |
| Depressive symptoms (CES-D) | 1.22 | 1.69 |
| Retired | ||
| Age | 70.32 | 6.50 |
| Immediate memory | 5.59 | 1.71 |
| Physical disability (ADL) | .44 | 1.03 |
| Depressive symptoms (CES-D) | 1.59 | 1.91 |
Note. ADL = Activities of Daily Living scale; CES-D = Center for Epidemiologic Studies-Depression scale.