Time on task (min:s) by interruption frequency
| No of task fragments | No of interruptions | Frequency | Mean time on task with approximate 95% CIs |
| 1 | 0 | 7488 (89.5%) | 1:26 (1:23 to 1:29) |
| 2 | 1 | 612 (7.3%) | 3:00 (2:45 to 3:17) |
| 3 | 2 | 155 (1.9%) | 5:15 (4:21 to 6:09) |
| ≥4 | ≥3 | 114 (1.4%) | 7:04 (6:05 to 8:02) |