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Validation of a 10-item Questionnaire Measuring Fruit and Vegetable Consumption in 9-11 year old Children Living in Low-Income Households

Berger, Laura Elizabeth
http://rave.ohiolink.edu/etdc/view?acc_num=osu1406209480

Abstract Details

2014, Master of Science, Ohio State University, Human Ecology: Human Nutrition.
Abstract Background: Many low-income children do not consume the recommended amounts of fruits and vegetables (FV). For this reason, a primary objective of the Supplemental Nutrition Assistance Program Education (SNAP-Ed) is to increase children’s consumption of FV. To accurately measure dietary changes related to FV intake, validated assessment tools that are quick and easy to administer are needed; however, few such tools exist. Objective: To test a 10-item fruit and vegetable questionnaire (10-item FVQ) for criterion and convergent validity, sensitivity, test-re-test reliability, and internal consistency. Participants: The study took place among 9-11 year old children attending a SNAP-Ed-eligible elementary school. Four 3rd grade and four 4th grade classrooms were invited to participate. The study included 3rd (n=46) and 4th grade (n=40) participants, with the majority being white (93%). Main Outcome Measures: Criterion validity was assessed by comparing the total score on the 10-item FVQ to total servings of FV as reported on a single 24-hour dietary recall (24-HDR). Convergent validity analyzed the “variety” and “snack” constructs from the 10-item FVQ compared to variety and snack reference scores generated from the matched 24-HDR. Sensitivity of the 10-item FVQ was assessed by comparing scores pre- and post- a 4 lesson FV intervention to FV servings reported on the 24-HDR. Reliability was evaluated by administering the 10-item FVQ at two time points one week apart, pre-intervention, and internal consistency by analyzing scores on a single 10-item FVQ. Pearson correlation was used to assess criterion and convergent validity, and sensitivity. Reliability was measured using a pairwise t-test, intraclass correlation coefficient, and Cronbach’s alpha. Results: Correlation between the total scores on the 10-item FVQ and 24-HDR was significant (r = 0.36, p < 0.005), in addition to the total variety (r = 0.306, p < 0.01) and total snack scores (r = 0.329, p < 0.01). Fruit as a snack (r = 0.322, p < 0.01) and variety of vegetables (r = 0.256, p < 0.05) demonstrated a moderately significant correlation to the 24-HDR reference scores. Sensitivity testing showed a moderately significant correlation of r = 0.287 (p < 0.05). Test-re-test reliability demonstrated agreement between repeated testing measures (r = 0.784, p < 0.0001) and internal consistency assessment yielded a Cronbach’s alpha of 0.806 and a significant intraclass correlation coefficient of 0.775 (p < 0.001). Conclusions and Implications: Results from this study suggest that the 10-item FVQ is a valid and reliable measure of FV intake behaviors among 9-11 year old children. Further testing of the 10-item FVQ in a pre/post intervention design is needed to further investigate the questionnaire’s sensitivity to detecting change, differences among gender, and use within various ethnic groups. Evidence from this study suggests the 10-item FVQ may be used as a short and easy to administer alternative to traditional methods of dietary collection in assessing FV intake among low-income 9-11 year old SNAP-Ed participants.
Carolyn Gunther (Advisor)
Ana Claudia Zubieta (Advisor)
Julie Kennel (Committee Member)
Tonya Orchard (Committee Member)
94 p.
Nutrition; Public Health; Public Health Education
validity; reliability; sensitivity; validation study; fruits; vegetables; children; SNAP-Ed; evaluation tool; questionnaire; intervention; low-income; 9-11 year olds

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Citations

  • Berger, L. E. (2014). Validation of a 10-item Questionnaire Measuring Fruit and Vegetable Consumption in 9-11 year old Children Living in Low-Income Households [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406209480

    APA Style (7th edition)

  • Berger, Laura. Validation of a 10-item Questionnaire Measuring Fruit and Vegetable Consumption in 9-11 year old Children Living in Low-Income Households. 2014. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1406209480.

    MLA Style (8th edition)

  • Berger, Laura. "Validation of a 10-item Questionnaire Measuring Fruit and Vegetable Consumption in 9-11 year old Children Living in Low-Income Households." Master's thesis, Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406209480

    Chicago Manual of Style (17th edition)

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