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Table 1 Participant characteristics and group type

From: Key changes to improve social presence of a virtual health assistant promoting colorectal cancer screening informed by a technology acceptance model

Group type

Stimuli

N

Age (mean, SD)

Focus groups

 1

Print prototypes

5

64.2 (3.4)

 2

Print prototypes

8

60.8 (6.9)

 3

Interactive version 1

7

55.8 (5.0)

 4

Interactive version 1

4

55.7 (7.2)

 5

Interactive version 2

7

60.0 (2.0)

 6

Interactive version 2

1

60

 7

Interactive version 3

11

62.1 (6.3)

 8

Interactive version 3

4

59.7 (5.5)

Think-aloud interviews

 1–6

Interactive version 3

6

63.5 (3.4)

Total

 

53

60.9 (5.5)

  1. Focus groups #4 and #6 each had one non-black participant, not represented in total N. Groups #2, #3, and #5 are each missing one response for age from the questionnaire data