Table 5.
Active Life Expectancy (ALE) and Disabled Life Expectancy (DLE) Based on Alternative Estimators and Interval Widthsa
| Estimator | Interval Width (months) |
ALE | 95% Confidence Interval | Difference From “True” Estimate (%) |
DLE | 95% Confidence Interval | Difference From “True” Estimate (%) |
|---|---|---|---|---|---|---|---|
| “True” | 1 | 13.88 | (12.35–15.40) | 3.46 | (2.58–4.35) | ||
| EMC | 12 | 13.01 | (11.92–14.10) | –6.26 | 3.54 | (2.56–4.51) | 2.12 |
| 24 | 12.69 | (11.03–14.36) | –8.54 | 3.02 | (1.97–4.08) | –12.67 | |
| EH | 12 | 13.30 | (11.82–14.79) | –4.14 | 3.25 | (2.25–4.26) | –6.08 |
| 24 | 13.03 | (11.31–14.75) | –6.11 | 2.68 | (1.57–3.80) | –22.52 |
a
Calculated for nondisabled 70-year-old women with 12 years of schooling; all estimates are shown in years.