Table 1.
Demographic characteristics of the study participants, study non-participants, and study population.
| Group | ||||
|---|---|---|---|---|
| Participants | Refused | Others* | Study Population† | |
| (N=1,242) | (N=1,418) | (N=1,317) | (N=181,886) | |
| Age, mean (sd) | 84.7 (3.9) | 85.5 (4.3) | 85.2 (4.3) | 85.6 (4.4) |
| Female, % | 59.9 | 55.4 | 50.2 | 55.0 |
| White, % | 97.3 | 94.4 | 95.5 | 94.7 |
*
Deceased, disconnected number, wrong number, and otherwise not able to successfully contact.
†
Florida drivers ages 80 and older scheduled for license renewal between Jan. 1, 2004 and June 30, 2005.