Table 1.
Demographic characteristics of sample at baseline.
| Variable | Frequency (Total: 1040) |
Percent (%)/Standard Deviation |
|---|---|---|
| Race | Percentage | |
| White | 710 | 68.3% |
| Black | 201 | 19.3% |
| Other | 129 | 12.4% |
| Region in round 1 | ||
| Northeast | 148 | 14.2% |
| Midwest | 205 | 19.7% |
| South | 429 | 41.3% |
| West | 258 | 24.8% |
| Marital status at round 1 | ||
| Never Married | 58 | 5.6% |
| Widowed/divorced/separated | 453 | 43.6% |
| Currently married | 529 | 50.8% |
| Insurance coverage for baseline year | ||
| Medicare only | 389 | 37.4% |
| Medicare and private | 468 | 45.0% |
| Medicare and other public | 174 | 16.7% |
| Uninsured | 6 | 0.6% |
| No Medicare and any public/private | 3 | 0.3% |
| Sex | ||
| Female | 595 | 57.2% |
| Male | 445 | 42.8% |
| Limitation in work/housework/school activities at round 1 | ||
| Yes | 206 | 19.8% |
| No | 834 | 80.2% |
| Limitation in physical functioning at round 1 | ||
| Yes | 370 | 35.6% |
| No | 670 | 64.4% |
| Continuous Variables | Mean | Standard deviation |
| Age at round 1 (years) | 74.09 | 6.19 |
| PCS score a | 41.90 | 12.11 |
| MCS score b | 53.10 | 9.30 |
| Short-Form Six-Dimension (SF−6D) score | 0.77 | 0.14 |
| HRQoL-CI-PCS score a | 5.00 | 3.51 |
| HRQoL-CI- MCS score b | 1.40 | 1.68 |
a PCS score: Physical Component Summary score, b MCS score: Mental Component Summary score.