Table 2.
Population estimates by stages assigned according to alternative strategies for classifying those who do not do Instrumental Activities of Daily Living (IADLs) for reasons other than health or physical problems
| IADL stage | Multiple imputation strategy | Complete case strategya | Low prevalence estimate strategyb | High prevalence estimate strategyc |
|---|---|---|---|---|
| % (std) | % (std) | % (std) | % (std) | |
| Total Population | ||||
| 0 | 57.2 (0.8) | 57.9 (0.8) | 60.0 (0.8) | 52.2 (0.8) |
| I | 19.6 (0.5) | 18.1 (0.5) | 17.6 (0.5) | 20.2 (0.5) |
| II | 9.8 (0.3) | 9.6 (0.4) | 9.2 (0.3) | 11.9 (0.4) |
| III | 11.1 (0.3) | 11.9 (0.4) | 10.8 (0.3) | 13.0 (0.4) |
| IV | 2.3 (0.2) | 2.6 (0.2) | 2.3 (0.1) | 2.7 (0.2) |
| Gender = Male | ||||
| 0 | 62.8 (0.9) | 64.1 (0.9) | 66.7 (0.8) | 55.6 (0.9) |
| I | 15.2 (0.6) | 12.7 (0.6) | 12.7 (0.5) | 15.0 (0.6) |
| II | 8.1 (0.4) | 7.6 (0.3) | 7.1 (0.3) | 12.7 (0.4) |
| III | 12.0 (0.5) | 13.4 (0.6) | 11.6 (0.5) | 14.4 (0.6) |
| IV | 1.9 (0.2) | 2.2 (0.2) | 1.9 (0.2) | 2.4 (0.2) |
| Gender = Female | ||||
| 0 | 52.6 (0.9) | 53.1 (1.0) | 54.6 (0.9) | 49.4 (0.9) |
| I | 23.4 (0.6) | 22.2 (0.6) | 21.7 (0.6) | 24.6 (0.6) |
| II | 11.0 (0.5) | 11.1 (0.5) | 10.9 (0.5) | 11.3 (0.5) |
| III | 10.4 (0.4) | 10.7 (0.4) | 10.2 (0.4) | 11.8 (0.4) |
| IV | 2.7 (0.2) | 2.9 (0.2) | 2.7 (0.2) | 2.9 (0.2) |
aDoes not do for reason other than health or physical problem is not included in the subsample
bDoes not do for reason other than health or physical problem coded as “no difficulty”
cDoes not do for reason other than health or physical problem coded as “difficulty”