| Younger group | Older group | ||
---|---|---|---|---|
 | Single-task | Dual-task | Single-task | Dual-task |
Number of steps a | 40.8 ±9.1 | 39.5 ± 9.7 | 45.5 ± 11.0 | 40.1 ± 14.0* |
Total number answered b | 8.1 | 8.3 | 7.7 | 8.0 |
(2.6-19.7) | (2.0-19.3) | (4.0-20.3) | (3.3-24.0) | |
Proportion performed correctly b | 96.3 | 96.0 | 85.4** | 87.5** |
(72.9-100) | (71.4-100) | (41.7-100) | (52.9-100) |