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Usability Study Results of the CDC TB Website Redesign

Figure 1: Education of Participants

2009

Level of Education

Percentage %

GED

1

High school diploma

8

Associates degree

14

Bachelors degree

30

Masters degree

28

Post-graduate degree

12

Doctoral degree

7

2007

Level of Education

Percentage %

GED

1

High school diploma

4

Associates degree

10

Bachelors degree

39

Masters degree

29

Post-graduate degree

8

Doctoral degree

11

Figure 2: Participants Use of the TB Website

2009

Use of the TB Website 2009

Percentage %

Daily

4

Weekly

13

Monthly

18

Quarterly

19

A couple of times a year

34

Yearly

3

About Once a year or less

9

2007

Use of the TB Website 2007

Percentage %

Daily

7

Weekly

47

Monthly

25

Quarterly

15

A couple of times a year

0

Yearly

6

About Once a year or less

0

Figure 4: Participants’ Success Completing Task Scenarios 2009

Successful %

Unsuccessful %

BCG Vaccine

93

7

TB Cases

92

8

Infection Guidelines

92

8

TB Control Number

89

11

4 first line Drugs

87

13

TB Symptoms

84

16

Latent vs. Active TB

82

18

Order Pub TB Facts for HCW

76

24

Spreading TB

75

25

2 Step testing

70

30

Induration test results

69

31

TB Testing & Pregnancy

64

36

Treatment Slide set

60

40

TB Online course

56

44

QFT Testing Locations

54

46

Slides Investigating Contacts

51

49

Order Q&A

49

51

Get the facts Booklet

44

56

TB Exposure

45

55

Order Forging Partnerships

20

80

Figure 5: Participants’ Success Completing Task Scenarios 2007

Successful %

Unsuccessful %

BCG Vaccine

71

29

TB Cases

73

27

Infection Guidelines

60

40

TB Control Number

86

14

4 first line Drugs

89

11

TB Symptoms

60

40

Latent vs. Active TB

68

32

Order Pub TB Facts for HCW

55

45

Spreading TB

20

80

2 Step testing

52

48

Induration test results

47

53

TB Testing & Pregnancy

7

93

Treatment Slide set

70

30

TB Online course

49

51

QFT Testing Locations

33

67

Slides Investigating Contacts

76

24

Order Q&A

67

33

Get the facts Booklet

13

87

TB Exposure

47

53

Order Forging Partnerships

40

60

 
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