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RESEARCH PRODUCT
Evaluation of a short food frequency questionnaire used among Norwegian children.
Inger Therese L. LillegaardLene Frost AndersenNina Cecilie ØVerbysubject
Food intakeFood diaryshort food frequency questionnairelcsh:TX341-641NorwegianDrinks aloneKeywords: short food frequency questionnaireAge groupschildrenEnvironmental healthMedicineFood scienceadolescentsHuman Nutrition; Public Health Nutrition;Dietary assessmentchildren evaluation relative validation short food frequency questionnaireNutrition and Dieteticsevaluationbusiness.industrydigestive oral and skin physiologyPublic Health Environmental and Occupational HealthFood frequency questionnairefood and beveragesshort food frequency questionnaire evaluation relative validation children adolescentsVDP::Medical disciplines: 700::Health sciences: 800language.human_languageFruits and vegetableslanguageOriginal ArticleNutrition researchbusinesslcsh:Nutrition. Foods and food supplyrelative validationFood Sciencedescription
Objective: The aim of this study was to evaluate a short food frequency questionnaire (FFQ) against a four-day precoded food diary (PFD) with regard to frequency of food intake among Norwegian 9- and 13-year-olds. Subjects and design: A total of 733 9-year-olds and 904 13-year-olds completed first a short FFQ and one to two weeks later a four-day PFD. The short FFQ included questions about 23 food items, including different drinks, fruits, vegetables, bread, fish, pizza, sweets, chocolate and savoury snacks. The PFD covered the whole diet. Results: When comparing mean intake from the PFD with comparable food items in the FFQ, all food items showed that increasing intake measured with the PFD corresponded with increasing intake with the short FFQ. However, participants reported a significantly higher frequency of intake for most foods with the short FFQ compared with PFD, except for soft drinks with sugar and sweets. The median Spearman correlation coefficient between the two methods was 0.36 among the 9-year-olds and 0.32 among the 13-year-olds. Often eaten foods such as fruits and vegetables had higher correlations than seldom eaten foods such as pizza and potato chips. The median correlation coefficients for drinks alone were higher (r = 0.47) for both age groups. Conclusions: Results indicate that the short FFQ was able to identify high and low consumers of food intake and had a moderate capability to rank individuals according to food intake. Drinks, fruits and vegetables had better correlations with the PFD than infrequently eaten food items. Keywords: short food frequency questionnaire; evaluation; relative validation; children; adolescents (Published: 16 January 2012) Citation: Food & Nutrition Research 2012, 56 : 6399 - DOI: 10.3402/fnr.v56i0.6399
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2012-01-16 | Foodnutrition research |