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Table 2 Number of participants who attended to every attribute for both conventional & CM alternatives combined, and each alternative alone (N = 32)

From: Lost in the crowd? Using eye-tracking to investigate the effect of complexity on attribute non-attendance in discrete choice experiments

Question

Number attributes

Health condition

Alts combineda

# participants (%)

Conv alternative

# participants (%)

CM alternative

# participants (%)

1

3

joint

32 (100)

28 (88)

29 (91)

2

3

insomnia

28 (88)

24 (75)

20 (63)

3

4

joint

32 (100)

26 (81)

24 (75)

4

4

insomnia

25 (78)

24 (75)

18 (56)

5

5

joint

20 (63)

13 (41)

14 (44)

6

6

insomnia

18 (56)

13 (41)

12 (38)

7

8

joint

17 (53)

13 (41)

12 (38)

8

8

insomnia

16 (50)

15 (47)

13 (41)

  1. Abbreviations: Alts alternatives, conv conventional, CM complementary medicine, # number
  2. aFor a participant to have attended to an attribute, they had to have one or more fixations on that attribute, irrespective of whether they looked at the levels of the attribute in both choices
  3. Note: The ‘neither of these’ option did not have any attributes specified and is excluded from this analysis