Accuracy Analysis of the Food Intake Variety Questionnaire (FIVeQ). Reproducibility Assessment among Older People
Abstract
The study included 131 people aged 65 + (62 men and 69 women). Food intake variety questionnaire (FIVeQ) included questions about eating (yes/no) during last 7 days the named amounts of 65 subgroups of products. Interviews were made using the face-to-face situation, twice with a two-week interval (test and retest). For the further analysis products were aggregated into 9 main groups: cereal products, dairy products, meat products, vegetables, fruit, fats, sugar and sweets, beverages, spices. The questionnaires` accuracy measures were sensitivity index (%) and specificity index (%) and the test power. High reproducibility of the results obtained by the FIVeQ questionnaire was stated. It shows a good accuracy of the questionnaire as a tool for studying food intake variety and allows to recommend its usage among older people.
Keywords:
Accuracy, food intake variety questionnaire, reproducibility, test powerArticle Metrics
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