Table 1.
Features of Respondents according to Use of Interactive Voice Response (IVR) System over Follow-Up
| Use of IVR System vs. No Use over Follow-Up, n=1778 | Maintain IVR Follow-Up vs. Switch n=1274 (Excludes n=160 who began study before start of IVR interviews) | |||
|---|---|---|---|---|
| Any IVR over Follow-Up, n=1434 | Only In-Person Follow-Up, n=344 | All Follow-Up by IVR, n=803 | Switch to In-Person Follow-Up, n=471 | |
| Demographics | ||||
| Age, mean (sd) | 74.9 (8.2) | 77.4 (8.9)*** | 75.0 (8.1) | 74.8 (8.5) |
| Female, % | 80.1 | 75.5 | 80.3 | 79.6 |
| Married, % | 36.5 | 26.8*** | 38.0 | 35.9 |
| Non-White, % | 9.6 | 23.5*** | 6.6 | 10.7** |
| College grad, % | 16.8 | 11.7*** | 17.2 | 15.5 |
| Baseline Health Status | ||||
| Mobility disability, % | 36.1 | 44.9*** | 34.4 | 37.8 |
| IADL disability, % | 25.7 | 37.3*** | 24.4 | 26.5 |
| ADL disability, % | 4.7 | 9.9*** | 5.2 | 3.6 |
| Pain, % | 61.2 | 59.1 | 61.8 | 60.1 |
| Anxiety-depression, % | 28.5 | 31.7 | 28.4 | 28.7 |
| Global health, mean (sd) | 80.4 (15.8) | 76.4 (18.3)*** | 80.4 (15.9) | 80.8 (14.9) |
| 3+ Rx meds, % | 62.5 | 50.0*** | 63.5 | 61.0 |
| Memory impairment, % | 7.1 | 19 0*** | 6.1 | 7.9 |
| Fair-poor balance, % | 24.7 | 32.4*** | 24.5 | 24.8 |
**
p < .01
***
p < .001 by t-test or X2
Mobility, IADL, ADL, pain, and anxiety-depression symptoms were self-reported using the EQ-5D and indicate “some” or “a lot” of difficulty in the domain. IADL, instrumental activities of daily living; ADL, activities of daily living