Skip to main content
. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: J Nutr Educ Behav. 2021 Aug 20;53(11):966–976. doi: 10.1016/j.jneb.2021.05.007

Table 6.

Corrected Item-Total Correlation, Item Test-Retest Reliability, and Floor/Ceiling Responses in the Food Consumption Frequency Subscale of the FLitT in Low-Income Adults

Item (14 items) Corrected Item-Total Correlationa (n=97) Item Test-Retest Reliability (ICC) (n=75) % of lowest score b (floor) (n=98) % of highest scorec(ceiling) (n=98)
Eat 1 ½ - 2 ½ cups of fruit per day 0.28** 0.76*** 1.0 31.6
Eat 2–4 cups of vegetables per day 0.34*** 0.61*** 1.0 40.8
Eat 2 ½- 5 ounces of whole grains per day 0.34*** 0.61*** 3.1 32.7
Eat 5–7 ounces of protein per day 0.38*** 0.59*** 0.0 40.8
Eat or drink 3 cups of low-fat dairy or dairy alternative per day 0.39*** 0.70*** 6.1 26.5
Drink regular soda or pop 0.49*** 0.78*** 18.4 18.4
Drink any of the following: Fruit drink, sweet tea, sports drink, energy drink, sweetened coffeed 0.58*** 0.78*** 9.2 31.6
Eat fast food 0.42*** 0.73*** 13.3 5.1
Eat processed food 0.47*** 0.75*** 10.2 11.2
Eat at a sit-down restaurant or buffet 0.34*** 0.59*** 31.6 4.1
Eat breakfast 0.25* 0.87*** 3.1 53.1
Skip meals −0.05 0.66*** 40.8 5.1
Have a snack or dessert of any of the following: chips, candy, crackers, cookies, sugary cereal, pastries, ice cream 0.50*** 0.65*** 4.1 30.6
Snack between mealsd 0.31** 0.64*** 10.2 30.6

Pearson’s correlation coefficient for corrected item-total correlation;

b

“never”;

c

“every day,”

d

n=74;

***

P < 0.001.