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)

Westbrook et al. BMC Health Services Research 2011 11:319   doi:10.1186/1472-6963-11-319

Open Data