Validation of questions designed for investigation of gastroenteritis
Food Control(2020)
Abstract
•Recall of exposure to high-risk foods was assessed.•Most questions showed at least a moderate level of agreement.•Dining locations were assessed as having consistently high recall.•Questions that quantified consumption in number of days had poorer validity.•Questions and results can inform surveys for investigation of gastroenteritis.
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Key words
Validation studies,Food-borne diseases,Questionnaires,Mental recall
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