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Survey shows food allergy prevalence in US children rose from 4.0% to 6.5% over 11 yearsSurvey finds more U.S. children reported having food allergies over an 11-year period

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Key Takeaway
Note: Survey data show a rise in reported childhood food allergy prevalence from 2007 to 2018.

An observational survey report examined trends in food or digestive allergy prevalence among children aged 0-17 years in the United States. The study measured the percentage of children with a food or digestive allergy in the past 12 months, comparing data from 2007 and 2018. No specific intervention, comparator, or sample size was reported.

The main finding was an increase in reported prevalence from 4.0% in 2007 to 6.5% in 2018. No effect size, absolute numbers, or statistical measures (such as p-values or confidence intervals) were provided for this change. The direction of the association was reported as an increase.

Safety and tolerability data were not reported. Key limitations include the observational and self-reported nature of the survey data, which cannot establish causality. The funding source and potential conflicts of interest were not disclosed. For practice, this report describes a temporal association in population-level survey data. The increase in reported prevalence may warrant attention but does not inform specific clinical management decisions.

A survey report looked at how common food or digestive allergies were among children in the United States. The study used data from 2007 and 2018, focusing on children aged 0 to 17 years. It measured the percentage of children whose parents reported their child had a food or digestive allergy in the past 12 months.

The main finding was that this reported percentage increased. In 2007, about 4.0% of children were reported to have such an allergy. By 2018, that figure had risen to 6.5%. The survey did not report on any specific safety concerns or adverse events related to these allergies.

It is important to be careful with these results. This was an observational survey, which means it only tracked reports over time. It cannot prove what caused the increase in reported allergies. Many factors, like changes in awareness or diagnosis, could play a role.

Readers should take from this that reports of childhood food allergies appear to have become more common over an 11-year span. The data provides a useful snapshot of a trend, but more research is needed to understand the reasons behind it.

What this means for you:
Reports of food allergies in U.S. children increased from 2007 to 2018, but the survey data does not explain why.

Study Details

EvidenceLevel 5
PublishedOct 2019
View Original Abstract ↓
From 2007 to 2018, the percentage of children aged 0-17 years with a food or digestive allergy in the past 12 months increased from 4.0% in 2007 to 6.5% in 2018.
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