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Table 3 Criterion validity comparing researcher administered and participant reported data for analytic sample using 2, 3, and 4 response categorizationsa (n = 97)

From: Validity and reliability of the semi-quantitative self-report Home Food Availability Inventory Checklist (HFAI-C) in White and South Asian populations

 

Prevalence by participant (%)

Prevalence by researcher (%)

Weighted kappab

Category

Absent

Small

Medium

Large

Absent

Small

Medium

Large

2

3

4

Fruits

50

15

24

12

73

8

12

6

0.44 (0.40, 0.48)

0.45 (0.41, 0.50)

0.40 (0.36, 0.44)

Vegetables

36

23

24

17

61

8

11

20

0.35 (0.30, 0.40)

0.48 (0.42, 0.53)

0.41 (0.36, 0.45)

Snacks

30

35

23

12

49

4

8

39

0.41 (0.34, 0.47)

0.35 (0.30, 0.41)

0.26 (0.22, 0.31)

Drinks

52

39

7

3

67

12

13

8

0.39 (0.30, 0.48)

0.26 (0.18, 0.33)

0.25 (0.18, 0.32)

  1. aCategories are 2 (absent, present), 3 (absent, small, medium/large), and 4 (absent, small, medium, large)
  2. bCicchetti-Allison linear-weighted kappa