Table 5 Descriptive statistics and reliability data for the Persian-FPQ total items and its subscales.

From: Validity and reliability of the Persian version of food preferences questionnaire (Persian-FPQ) in Iranian adolescents

 

Mean ± SD

Cronbach’s α

ICC (%95CI)

Floor (%)

Ceiling (%)

Vegetables

72.76 ± 15.18

0.901

0.997 (0.995, 0.998)

1 (0.2)

10 (2.2)

Fruit

98.75 ± 10.77

0.878

0.995 (0.991, 0.997)

1 (0.2)

25 (5.5)

Dairy

39.95 ± 7.00

0.780

0.992 (0.986, 0.996)

2 (0.4)

22 (4.9)

Snacks

52.83 ± 6.14

0.776

0.991 (0.985, 0.995)

1 (0.2)

44 (9.7)

Meat/fish

41.11 ± 8.88

0.851

0.982 (0.968, 0.990)

2 (0.4)

10 (2.2)

Starches

41.77 ± 5.82

0.773

0.984 (0.972, 0.991)

3 (0.7)

35 (7.7)

Miscellaneous foods

14.00 ± 6.96

0.756

0.991 (0.983, 0.995)

3 (0.7)

4 (0.9)

Total score

361.53 ± 42.11

0.957

0.998 (0.996, 0.999)

1 (0.2)

2 (0.4)

  1. ICC, intra class correlation coefficient.