High Prevalence Of Food Intolerances Among Us Internet Users
PUBLIC HEALTH NUTRITION(2021)
摘要
Objective: Food intolerances are commonly reported and are predicted to have gastrointestinal health implications. We aimed to quantify the prevalence of food intolerances among US adults and identify culprit foods through a brief web-based survey.Design: We invited participation in an online cross-sectional survey involving a single questionnaire. Data were summarised using percentages or medians and interquartile range. Participant characteristics by self-reported food intolerance were compared using the Wilcoxon rank sum test and Pearson's chi(2) test. Adjusted analyses were performed using multivariable logistic regression.Setting: The survey was internet-based via Amazon's mechanical Turk, a crowdsourcing website for the completion of requester directed tasks.Participants: Adults who were US-based internet users were invited at ages 18-80.Results: We collected 2133 survey responses (ages 18-79 years). The rate of food intolerance was 24.8 % (95 % CI 23.0, 26.6) in US adults. Younger (P < 0.01), female (P = 0.05) and Asian, African American or multiple race individuals (P < 0.01) predominated. Lactose intolerance was most common. Frequency of a non-lactose food intolerance was 18.1 % (95 % CI 16.5, 19.8). When categorised broadly, grains, fruit, lactose, fish, vegetables, alcohol and nuts were most troublesome for individuals in that order.Conclusions: Self-reported food intolerance is common in US internet users. The effect of food on gastrointestinal symptoms and avoidant behaviours deserves further attention.
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关键词
Food intolerance, Food, Survey, Lactose intolerance, Prevalence
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