Validity and Reliability of a Food Frequency Questionnaire (FFQ) to Assess Dietary Intake of Preschool Children

Cheah, Whye Lian and Lee, Julia Ai Cheng and Noor Hafizah, Yatiman and Ang, Lee Choo and Fendy, Yap and Wan Nuru, Najwa and Ruzita, Abd Talib and Farra Aidah, Jumuddin and Denise, Koh and Reeves, Sue and Summerbell, Carolyn and Gibson, Edward Leigh and Poh, Bee Koon (2019) Validity and Reliability of a Food Frequency Questionnaire (FFQ) to Assess Dietary Intake of Preschool Children. International journal of Environmental Research and Public Health, 16 (23). pp. 1-11. ISSN 1660-4601

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Abstract

As there are few food frequency questionnaires (FFQ) to assess the dietary intake of preschool children, this study examined the validity and reliability of an FFQ for this purpose. A total of 210 preschoolers aged 4 to 6 years participated in the validation study, while a subsample of 66 participants joined the reliability study. The FFQ is modified from the ToyBox-study and South East Asian Nutrition Surveys (SEANUTS), and comprised 108 food items from 13 food groups. A three-day estimated dietary record (3DR) was used as reference and reliability was assessed through a second administration of the FFQ (FFQ2), four weeks after the first administration (FFQ1). For the validation study, Spearman’s correlation coefficients showed moderate to high correlations (p < 0.001) between FFQ and 3DR. Cross-classification of quartile analysis showed moderate agreement between the two methods. As for reliability, Spearman’s correlation coefficients showed moderate to high correlations (p < 0.001) between FFQ1 and FFQ2. Cronbach’s alpha values (0.708 to 0.824) and intraclass correlation coefficients (0.710 to 0.826) showed good agreement between repeated FFQs. The results suggest that the FFQ has acceptable validity and good reliability. Hence, the FFQ can be used to assess preschool children’s food intake.

Item Type: Article
Uncontrolled Keywords: child; dietary assessment; diet records; food frequency questionnaire; Malaysia; methodological study; preschool; reliability; validity, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak.
Subjects: R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Divisions: Academic Faculties, Institutes and Centres > Faculty of Medicine and Health Sciences
Depositing User: Gani
Date Deposited: 03 Dec 2019 09:02
Last Modified: 25 Apr 2021 22:21
URI: http://ir.unimas.my/id/eprint/28152

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