Table 4.
Number, average task length and overall percentage of tasks completed using specific information tools
| Information tools used to complete task | Period | Number of tasks | Mean task length (seconds) |
Percentage of observation time | 95% Confidence intervals | Rate per 100 tasks | |
|---|---|---|---|---|---|---|---|
| Permanent Record | Year 1 | 2292 | 50.05 | 29.02 | 26.86 | 31.17 | 30.4 |
| Permanent Record | Year 3 | 2027 | 50.80 | 35.11 | 32.82 | 37.40 | 32.3 |
| Paper | Year 1 | 302 | 125.36* | 9.58 | 7.02 | 12.14 | 4.0 |
| Paper | Year 3 | 282 | 79.23* | 7.62 | 5.75 | 9.49 | 4.5 |
| Desk PC | Year 1 | 43 | 98.47 | 1.07 | 0.74 | 1.40 | 0.6 |
| Desk PC | Year 3 | 77 | 72.05 | 1.89 | 1.45 | 2.34 | 1.2 |
| Phone | Year 1 | 135 | 62.72 | 2.14 | 1.79 | 2.50 | 1.8 |
| Phone | Year 3 | 152 | 51.63 | 2.68 | 2.22 | 3.13 | 2.4 |
| Nothing | Year 1 | 4869 | 58.41* | 71.94 | 66.34 | 77.54 | 64.5 |
| Nothing | Year 3 | 3912 | 51.76* | 69.04 | 63.32 | 74.77 | 62.3 |
*Indicates significant change in year 1 and year 3 average task times (P < 0.01)