Table 1.
Sample Characteristics at Baseline and Follow-up
| Baseline 2012 | Follow-up 2014 | |||
|---|---|---|---|---|
| N | percent | N | percent | |
| Total sample | 164,597 | 100% | 100,290 | 100% |
| Age, Mean (SD) | 75.1 (7.4) | 76.2 (6.7) | ||
| 65–74 | 87,972 | 53.4% | 47,929 | 47.8% |
| 75–84 | 55,676 | 33.8% | 39,337 | 39.2% |
| 85–94 | 19,313 | 11.7% | 12,308 | 12.3% |
| 95+ | 1636 | 1.0% | 716 | 0.7% |
| Female | 95,115 | 57.8% | 58,519 | 58.4% |
| Race/ethnicity | ||||
| White non-Hispanics | 121,334 | 76.1% | 77,694 | 78.2% |
| Black non-Hispanics | 13,031 | 8.2% | 7427 | 7.5% |
| Hispanics | 15,735 | 9.9% | 8803 | 8.9% |
| Other | 9404 | 5.9% | 5408 | 5.4% |
| BMI categories | ||||
| Underweight (< 18.5 kg/m2) | 3274 | 2.1% | 1602 | 1.8% |
| Normal (18.5–24.9 kg/m2) | 48,402 | 31.1% | 28,246 | 30.9% |
| Overweight (25–29.9 kg/m2) | 59,201 | 38.0% | 35,261 | 38.6% |
| Obesity (≥30 kg/m2) | 44,877 | 28.8% | 26,238 | 28.7% |
| Class I obesity (30–34.9 kg/m2) | 28,783 | 18.5% | 17,033 | 18.6% |
| Class II obesity (35–39.9 kg/m2) | 10,283 | 6.6% | 5978 | 6.5% |
| Class III obesity (≥40 kg/m2) | 5811 | 3.7% | 3227 | 3.5% |
| Any Difficulty with ADL | ||||
| No | 100,475 | 62.4% | 62,680 | 66.7% |
| Yes | 60,523 | 37.6% | 31,298 | 33.3% |